Allelopathic Impact of Redroot Pigweed on Summer Savory | InformativeBD

Ebrahim Benyas, Mohsen Aghaz, Ozra Sadat Khatamian Oskooei, Saied Zehtab Salmasi and Yaghub Raii, from the institute of Iran. wrote a Research article about, Allelopathic Impact of Redroot Pigweed on Summer Savory. Entitled, Allelopathic effects of aqueous extracts of different organs of redroot pigweed (Amaranthus retrofelexus L.) on summer savory (Satureja hortensis L.). This research paper published by the International Journal of Biosciences | IJB. an open access scholarly research journal Biosciences. under the affiliation of the International Network For Natural Sciences| INNSpub. an open access multidisciplinary research journal publisher.

Abstract

In order to demonstrate the allelopathic effects of different organs (root, shoot and whole plant) of redroot pigweed (Amaranthus retrofelexus L.) on germination, emergence, growth and development of summer savory (Satureja hortensis L.) under laboratory and greenhouse conditionan experiment was carried out as CRD design with nine and five replications at laboratory and greenhouse of the Faculty of Agriculture, University of Tabriz, Iran, respectively. Results showed the significant effects of different organs aqueous extracts (AEs) of redroot pigweed on germination percentage, germination rate and normal seedlings percentage. Germination rate decreased by shoot, root and whole plant AEs compare with control. Shoot and whole plant AEs of redroot pigweed were able to reduce summer savory biomass more than the root aqueous extract.

Read more : Morphological & Genetic Adaptation in Amaranthus spinosus | InformativeBD 

Introduction

Weeds are the most severe and widespread biological constraint to crop production and cause invisible damage till the crop is harvested. Weeds are undesirable plants which compete with main crops in the growth media for nutrients, moisture, space, light and hamper the healthy growth ultimately reducing the growth and yield both qualitatively and quantitatively. Allelopathy is defined as inhibitory/stimulatory the effect(s) of one plant on other plants through the release of chemical compounds in the environment (Rice, 1984). Allelopathy interactions are primarily based on the ability of certain species to produce secondary chemical compounds that exert some sort of biological effects on other organisms, many of which are unknown. The chemical causing the allelophatic effects are called allelochemicals. Allelopathy is characterized by a reduction in plant emergence or growth, reducing their performance in the association (Florentine et al., 2006).

Allelopathy provides a relatively cheaper and environmental friendly weed control alternative. This can be considered as a possible alternative weed management strategies (Cheema et al., 2000). The world consumption of medicinal plants as pharmaceuticals, cosmetics and as a food supplement for the improvement of human welfare is increasing day by day. One of the possible solutions is allelopathy, the utilization of the chemical interaction between plants by introducing modern biological and ecological methods. The various methods such as race, frequency control, chemical, mechanical and on chemical as properties of plants allelopathic weed control are applied in weed control management systems.

Allelochemicals emancipated as residues, exudates and leachates by many plants from leaves, stem, roots, fruit and seeds reported to interfere with growth of other plants (Asgharipour and Armin, 2010). These chemicals products mainly affect plants at seed emergence and seedling levels (Alam and Islam, 2002; Hussain et al., 2007; Naseem et al., 2009). The allelopathic potential of several weeds have been studied in the laboratory (Bhowmik and Doll, 1984). Batish et al., (2007) conducted experiment using residue of Chenopodium murale on the growth of chickpea and pea and found that their root and shoot length significantly decreased.

The present study was conducted to examine the allelopathic effects of aqueous extracts of different organs of redroot pigweed (A. retrofelexus L.) on germination, emergence, growth and development of summer savory (S. hortensis L.) in the University of Tabriz.

Reference

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Article source : Allelopathic effects of aqueous extracts of different organs of redroot pigweed (Amaranthusretrofelexus L.) on summer savory (Satureja hortensis L.) 

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Nitrogen Done Right: Boosting Cotton Growth and Yield | InformativeBD

Nangial Khan, Yingchun Han, Zhanbiao Wang, Guoping Wang, Lu Feng, Beifang Yang, and Yabing Li, from the institute of China. wrote a Research Article about, Nitrogen Done Right: Boosting Cotton Growth and Yield. Entitled, Role of proper management of nitrogen in cotton growth and development. This research paper published by the International Journal of Biosciences | IJB.  an open access scholarly research journal on Biosciences. under the affiliation of the International Network For Natural Sciences| INNSpub. an open access multidisciplinary research journal publisher.

Abstract 

Cotton is important cash crop grown for fiber. Cotton fiber is used in fabrics and other things used in daily life. The production of many industries in the world and, especially in china is related to fiber. Proper nutrition plays great role in growth and high-quality fiber production. Different macro and micro nutrients are applied to cotton for high quality fiber production. Nitrogen is the highly utilizing nutrient among that. High growth, yield and quality of cotton depend on proper management of nitrogen. Due to increasing prices of nitrogen fertilizers researchers are working to increase nitrogen use efficiency (NUE) of cotton to benefit farmers. Nitrogen is applied through different methods at different rates. Mostly split application at PPA (Pre plant application), FBA (First bloom application) and PBA (Peak bloom application) with different rates according to soil and plant condition are in practice by farmers. Many organic and inorganic sources of nitrogen are available with different properties. NUE is affected by different factors like genotype, cropping system, soil, volatilization and leaching, N amount application and fertilizer timing. Prior to nitrogen fertilizer application nutrient status of soil must be analyzed to prevent nitrogen losses from the system. Different methods like soil testing, tissue testing, Leaf area index (LAI), normalize difference vegetation index (NDVI) and satellite imagery are suggested to improve NUE. Many researches proved that proper management of nitrogen increase farmers profit and NUE. This review highlights nitrogen response to cotton growth, yield, quality, NUE and factors affecting NUE and how to improve NUE through nitrogen management. 

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Introduction

Cotton (Genus Gossypium) is a leading cash crop and is considered as “white gold and cultivated in above 80 countries all over the world (Maiti et al., 2012). According to International cotton Advisory Committee 2015 report cotton production in Asia and America is more than 80% of total world production while Asia is largest cotton producing continent of the world by producing 70% cotton of the world (Zhang and Dong, 2019). Cotton species are grouped according to their ploidy in diploids and tetraploids. Diploids (2n = 2x = 26) include Gossypium herbaceum L. and Gossypium arboreum L. while Tetraploids (2n = 4x = 52) have Gossypium barbadense L. and Gossypium hirsutum L. The world 95% or more cotton production is from Gossypium baradense L. and Gossypium hirsutum L. species (Smith and Cothren, 1999; Zhang et al., 2008). Gossypium hirsutum is also known as upland cotton, American and Mexican cotton which contribute more than 90% in cotton production while Gossypium barbadense contribute about 5% to cotton production and is also known as Egyptian or Pima cotton (OECD 2010). Cotton is perennial but commercially it is grown as annual crop and have indeterminate growth. Cotton is the unique crop which provide vegetable oil and clothes to humans, chaff for livestock feed, organic matter to soil and many other products to industries (Abdurakhmonov 2018). Currently more than half of clothes people wear is made of cotton fiber (Zhang and Dong, 2019).

Cotton needs different macro and micro nutrients for better growth and yield. Nitrogen is the first important macronutrient in agriculture production and its fertilization is necessary for good production of cotton (Hou et al., 2007). Nitrogen is one of the most limiting factor in cotton production (Arnall and Boman, 2019). N cost more in cotton production as compared to other fertilizers (Chaudhry 2007). Total fertilizer demand of the world increases 1.8% per year from 2014-2018 (FAO, 2015). Plants utilize nitrogen in the form of NO3 - and NH4 +. It is the element which greatly contribute to growth of plant and increase yield and quality of crop (Laghari et al., 2016).

Nitrogen enhances photosynthesis and leaf growth and result in increase of vegetative growth. Nitrogen reduction effect boll production due to premature senescence (Dong et al., 2012). Nitrogen deficiency first appears on older leaves.

The main deficiency symptoms of cotton are chlorosis due to main part of chlorophyll molecule (Fig. 1). It reduces growth of cotton and mostly plants remain stunted. N deficiency also negatively affect yield of cotton. Shedding of bolls in first 10-12 days after flowering shows deficiency of nitrogen. Shortened of fruiting branches, reddening of middle canopy at late season, short flowering period, enhance leaf senescence and reduction in boll retention at late season are symptoms of nitrogen deficiency in cotton.

In cotton farming, Nitrogen fertilizer was mostly applied in three splits at field preparation, early flowering and peak bloom stage but it rates are different from region to region, cultivar to cultivar and soil type (Fritschi et al., 2003; Yang et al., 2011; Boquet and Breitenbeck, 2015).

Many researchers are working to find the nitrogen efficient variety of cotton (Zhang et al., 2018) and reduces nitrogen split application and amount without decreasing the yield.

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Zhang D, Li W, Xin C, Tang W, Eneji AE, Dong H. 2012. Lint yield and nitrogen use efficiency of field-grown cotton vary with soil salinity and nitrogen application rate. Field Crops Research 138, 63–70. https://doi.org/https://doi.org/10.1016/j.fcr.2012.09.013

Zhang H-B, Li Y, Wang B, Chee PW. 2008. Recent Advances in Cotton Genomics. International Journal of Plant Genomics, 2008(December 2014), 1–20. https://doi.org/10.1155/2008/742304

Zhang H, Fu X, Wang X, Gui H, Dong Q, Pang N, Wang Z, Zhang X, Song M. 2018. Identification and screening of nitrogen-efficient cotton genotypes under low and normal nitrogen environments at the seedling stage. Journal of Cotton Research 1(1), 1–11. https://doi.org/10.1186/s42397-018-0006-x

Zhang Y, Dong H. 2019. Yield and Fiber Quality of Cotton. Elsevier Inc, 1–9. https://doi.org/10.1016/B978-0-12-803581-8.11166-X

Source : Role of proper management of nitrogen in cotton growth and development 

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Growth Performance of Rabbits Fed with Ipomoea aquatica and Leucaena leucocephala Leaves in Southern Benin | InformativeBD

Azonwakin Rodrigue Akotegnon, Euloge Oscar Manhognon Faton,  Fatoumata Bah, Kenneth Zougou, Eudoxie Sidoine Kai Assou,  Clémentine Michodjehoun, Steven Chokki, Assirius Kotomale, and Alphonse Sezan, from the different institute of Benin. wrote a Reseach Article about, Growth Performance of Rabbits Fed with Ipomoea aquatica and Leucaena leucocephala Leaves in Southern BeninGrowth Performance of Rabbits Fed with Ipomoea aquatica and Leucaena leucocephala Leaves in Southern Benin. Entitled, Effects of Ipomoea aquatica and Leucaena leucocephala leaves on the growth performance of rabbits (Oryctolagus cuniculus) in southern Benin. This research paper published by the International Journal of Biosciences (IJB). an open access scholarly research journal on Biosciences. under the affiliation of the International Network For Natural Sciences| INNSpub. an open access multidisciplinary research journal publisher.

Abstract

Our study aims to analyze the effect of adding Ipomoea aquatica and Leucaena leucocephala leaves to the diet of rabbits on their zootechnical parameters. This study was conducted on 16 weaned rabbits aged 8 weeks, divided into four groups and fed different diets, including either commercial feed alone or commercial feed supplemented with Ipomoea aquatica or Leucaena leucocephala leaves. We measured growth parameters, feed utilization, and carcass characteristics. The results showed that the addition of Ipomoea aquatica and Leucaena leucocephala leaves significantly improved (p<0.001) the rabbits’ growth rate. The group fed with commercial feed and Ipomoea aquatica leaves exhibited the best feed conversion ratio. Although the diets showed significant differences, there was no significant difference in carcass yield, even though the group receiving commercial feed with Ipomoea aquatica leaves had a higher yield. In conclusion, our study demonstrates that adding Ipomoea aquatica and Leucaena leucocephala leaves to rabbit diets can enhance their zootechnical performance. 

Read more : Phytochemical and Spectroscopic Profiling of Clerodendrum inerme Leaf Extract | InformativeBD

Introduction

Proteins are essential for growth, reproduction, immunity, as well as the maintenance and development of bones in humans. They play a key role in the overall functioning of the body (Elmadfa and Meyer, 2017; Wu, 2016). The rabbit farming industry is an important sector for the economies, both rural and urban, of many countries (Oseni and Lukefahr, 2014). It provides high-quality animal proteins to a growing population and contributes to improving the livelihoods of local producers (Lebas et al., 1997). However, feed costs represent a significant portion of the total production costs for rabbits, posing a major challenge for breeders (Gidenne et al., 2010).

In this context, several studies have explored the incorporation of low-cost, nutrient-rich plant byproducts into animal feed. Among them, the leaves of Ipomoea aquatica and Leucaena leucocephala have been successfully used in the feeding of various animal species, such as poultry, ruminants, and pigs (Pascual et al., 2003; Koné et al., 2020). Research by Defang et al. (2014) showed that incorporating 20% Leucaena leucocephala into the diet improves feed intake and digestibility in rabbits. 

To assess the potential effects of incorporating Ipomoea aquatica and Leucaena leucocephala leaves into rabbit feed, a study was conducted under the title: "Effects of Ipomoea aquatica and Leucaena leucocephala Leaves on the Growth Performance of Rabbits (Oryctolagus cuniculus) in Southern Benin." This research aims to evaluate the potential benefits for local producers, including reducing production costs, improving feed quality, and optimizing rabbit growth.

The main objective of this study is to assess the impact of incorporating Ipomoea aquatica and Leucaena leucocephala leaves on the growth parameters of rabbits. More specifically, it involves analyzing the feed consumption associated with these leaves, as well as their effect on growth rate and meat production in rabbits fed these diets.

Reference

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Akpo Y, Kpodekon M, Djago Y, Youssao I. 2016. Effet de l’Ipomoea aquatica sur les performances de croissance des lapereaux et la qualité organoleptique de la viande de lapin. International Journal of Biological and Chemical Sciences 10(1), 367–375. http://doi.org/10.4314/ijbcs.v10i1.29

Defang HF, Keambou TC, Manjeli Y, Teguia A, Pamo TE. 2014. Influence de la farine des feuilles de Leucaena leucocephala sur les performances de croissance des lapereaux. International Journal of Biological and Chemical Sciences 8(4), 1430–1437. https://doi.org/10.4314/ijbcs.v8i4.11

Defang HF, Keambou TC, Manjeli Y, Teguia A, Pamo TE. 2014. Influence de la farine des feuilles de Leucaena leucocephala sur les performances de croissance des lapereaux. International Journal of Biological and Chemical Sciences 8(4), 1430–1437. https://doi.org/10.4314/ijbcs.v8i4.21

Elmadfa I, Meyer AL. 2017. Animal proteins as important contributors to a healthy human diet. Annual Review of Animal Biosciences 5, 111–131. https://doi.org/10.1146/annurev-animal-022516-022943

Fomunyam RT, Kana JR. 2016. Performance des lapins nourris avec des rations contenant des niveaux croissants de feuilles de Leucaena leucocephala. Journal of Applied Animal Research 44(1), 123–129. https://doi.org/10.1080/09712119.2015.1031778

Gidenne T, Lebas F, Fortun-Lamothe L. 2010. Feeding behaviour of rabbits. https://doi.org/10.3920/978-90-8686-692-0

Koné M, Kpodekon M, Mensah GA. 2020. Effet de l’incorporation des feuilles de Leucaena leucocephala et d’Ipomoea aquatica sur les performances zootechniques des lapins au Bénin. https://doi.org/10.3390/ani10010001

Konmy G, Kpodekon M, Mensah GA. 2020. Effet de l’incorporation des feuilles de Leucaena leucocephala et d’Ipomoea aquatica sur les performances zootechniques des lapins au Bénin. Journal of Animal Science Research 12(3), 45–56. https://doi.org/10.1234/jasr.v12i3.5678

Kouassi P, N’Dri Y. 2019. Impact de l’utilisation de Leucaena leucocephala dans l’alimentation des monogastriques en zone tropicale. Journal of Animal and Plant Sciences 30(2), 4783–4792. https://doi.org/10.35759/JAPS.2019.30.2.10

Lebas F, Coudert P, de Rochambeau H, Thébault RG. 1997. The rabbit: Husbandry, health and production. https://doi.org/10.1007/978-94-011-5874-1

Nguemfo EL, Teguia A. 2015. Utilisation des feuilles de Leucaena leucocephala comme source de protéines dans l’alimentation des lapins en zone tropicale humide. Tropicultura 33(1), 45–50. https://doi.org/10.25518/2295-8010.1001

Ognika G, Kouadio JH. 2021. Étude comparative de l’utilisation de différentes sources protéiques végétales dans l’alimentation des lapins au Congo. African Journal of Agricultural Research 16(5), 789–798. https://doi.org/10.5897/AJAR2021.12345

Oseni SO, Lukefahr SD. 2014. Rabbit production in low-input systems in Africa: Situation, knowledge and perspectives – A review. World Rabbit Science 22(2), 147–160. https://doi.org/10.4995/wrs.2014.1348

Pascual JJ, Cervera C, Blas E. 2003. Recent advances in rabbit nutrition: Emphasis on alternative feeds. https://doi.org/10.1079/9781845936693.0000

Seng M, Ven S. 2023. Supplementation of water spinach (Ipomoea aquatica) on the utilization of Mimosa pigra and Leucaena leucocephala leaf for in vitro fermentation. Veterinary World 16(1), 215–221. https://doi.org/10.14202/vetworld.2023.215-221 

Soulemane M, Adama T. 2018. Valeur nutritionnelle des feuilles de Leucaena leucocephala et d’Ipomoea aquatica dans l’alimentation des ruminants. Revue Africaine de Nutrition Animale 7(2), 112–120. https://doi.org/10.4314/rana.v7i2.9

Tchoumboue J, Boukila B. 2017. Effets de l’incorporation de différentes proportions de feuilles de Leucaena leucocephala dans la ration des lapins en croissance. Livestock Research for Rural Development 29(9). https://doi.org/10.1016/j.lrrd.2017.09.176

Wu G. 2016. Dietary protein intake and human health. European Journal of Clinical Nutrition. https://doi.org/10.1038/ejcn.2016.71

Xochipelli T. 2021. Composition chimique et valeur nutritive de différentes plantes fourragères tropicales. Journal of Tropical Agriculture 15(1), 23–34. https://doi.org/10.4038/jta.v15i1.9012

Source : Effects of Ipomoea aquatica and Leucaena leucocephala leaves on the growth performance of rabbits(Oryctolagus cuniculus) in southern Benin 

 

 

 

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Growth Dynamics of Achatina fulica in a Controlled Breeding Environment | InformativeBD

Boddis Zebaze Tsiguia,  Guegang Tekou, Fon Dorothy Engwali,  Mmira A Akohogni, Alexia Kévine Noubissi Chiassa,  Algrient Nana Towa, and Claudine Tekounegning Tiogué, from the institute of Cameroon. wrote a Research Article about, Growth Dynamics of Achatina fulica in a Controlled Breeding Environment . Entitled, Influence of temperature on survival, yolk utilization, growth, and morphometric anomaly rates in post-embryonic Clarias jaensis under controlled conditions. This research paper published by the International Journal of Agronomy and Agricultural Research (IJAAR). an open access scholarly research journal on Agronomy. under the affiliation of the International Network For Natural Sciences| INNSpub. an open access multidisciplinary research journal publisher.

Abstract  

Captive breeding of Clarias jaensis remains limited due to a lack of knowledge regarding optimal temperature conditions to ensure larval survival and early development. This study evaluated the impact of different temperatures on survival, yolk absorption, linear growth, and the rate of morphometric anomalies in post-embryos. A total of 580 newly hatched post-embryos were evenly distributed in 10 trays, placed in pairs in five polyester tanks. Each tank was subjected to one of the five experimental temperatures: 22°C, 25°C, 27°C, 29°C, and 31°C. Survival and anomaly rates were analyzed using the Kaplan-Meier test, while the evolution of yolk sac volume and larval length was studied using a one-factor ANOVA. The results show that the best survival rates were obtained at 25°C (96.5 ± 3.5%), 27°C (91.5 ± 6.4%), and 22°C (90 ± 2.8%). No survival was observed at 29°C and 31°C after three and two days post-hatching, respectively. Yolk absorption was significantly faster at 27°C (98.92 ± 0.58%), while differences in linear growth were not significant between 22°C, 25°C, and 27°C. The most frequent morphometric anomalies included pericardial edema, yolk edema, and skeletal deformities, with a lower malformation rate at 25°C (4.5%) compared to 22°C and 27°C. Based on these results, it is recommended to stabilize the breeding temperature at 25°C to maximize survival, and at 27°C to promote rapid growth and yolk absorption.

Read more : Photoperiod Effects on Larval Development in Superworms (Zophobas morio) | InformativeBD

Introduction

Clarias jaensis, an African catfish prized for its hardiness, rapid growth, and nutritional and cultural value, shows great potential for aquaculture (Angoni et al., 2016; Zango et al., 2016; Tiogue et al., 2020). However, despite this potential, mastering its rearing in controlled environments remains a major challenge, forcing fish farmers to rely on fry sourced from the wild (Pouomogne, 2008; Kenfack et al., 2019). This practice, in addition to limiting aquaculture production, places significant pressure on natural stocks, which are already weakened by overfishing and climate change. The provision of sufficient fry to meet the growing demand of fish farmers, therefore, depends on mastering the complete life cycle of C. jaensis, particularly its larval development in controlled conditions. Temperature is a key environmental factor in the early development of fish, significantly influencing their survival, growth, and morphogenesis (Cahu et al., 2003; Fontaine and Le Bail, 2004; Gatesoupe et al., 1999). The embryonic and larval stages, which are particularly vulnerable to environmental fluctuations, are especially sensitive to thermal variations. Understanding the influence of temperature on larval development is essential for optimizing farming practices and ensuring successful production in captivity. Previous studies on other Clariidae species, such as C. gariepinus (Legendre and Teugels, 1991; Chebel et al., 2005) and Heterobranchus bidorsalis (Olaniyi and Omitogun, 2013, 2014), have highlighted the significant impact of temperature on larval survival, growth, and development. However, the specific thermal tolerance of C. jaensis remains largely unknown. This study aims to fill this gap by rigorously evaluating the influence of temperature on the survival, yolk absorption, growth, and occurrence of morphometric anomalies in C. jaensis postembryos. By exposing the larvae to different temperatures in a controlled environment, we aim to identify the optimal thermal range that promotes their development and to understand the underlying mechanisms of the observed effects. The results of this research will have a dual impact. On one hand, they will provide basic information for improving the farming practices of C. jaensis in captivity, allowing for the adaptation of incubation and larval rearing conditions to maximize survival, growth, and fry quality. On the other hand, they will contribute to a better understanding of the biology of this species and its sensitivity to temperature variations, which is essential for the sustainable management of its natural populations in the face of climate change challenges.

Reference

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Adewolu MA, Ogunsanmi AO, Yunusa A. 2008. Studies on growth performance and feed utilization of two Clariid catfish (Clarias gariepinus and Heterobranchus bidorsalis) fingerlings fed different dietary protein levels. Journal of Fisheries and Aquatic Science 3(1), 18–24.

Angoni DE, Eyango MT, Ambela D, Tchoumboué J. 2016. Effet de la densité de mise en charge sur les performances de croissance du poisson chat africain Clarias jaensis Boulanger, 1909 (Pisces: Clariidae) en étang. Innovative Space of Scientific Research Journals 16(130-03), 1–14.

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Chebel K, Patricia BD, Amirkolaie AK. 2005. Effects of temperature on survival, growth performance and feed utilization of African catfish (Clarias gariepinus) larvae. Aquaculture Research 36(8), 741–748.

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Fiogbé ED, Kpanou JV, Kouassi N. 2003. Effet de la température sur la croissance larvaire de Heterobranchus longifilis (Valenciennes, 1840). Bulletin de la Recherche Agronomique du Bénin 39, 1–9.

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Hossain F, Islam SMM, Ashaf-Ud-Doulah M, Ali MS, Islam MS, Brown C, Shahjahan M. 2021. Influences of salinity on embryonic and larval development of striped catfish Pangasianodon hypophthalmus. Frontiers in Marine Science 8, 781951.

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Nguenga D, Breine JJ, Teugels GG, Ollevier F. 1996. Artificial propagation of the African catfish Heterobranchus longifilis (Siluroidei; Clariidae): Description of a simple technique to avoid sacrificing male broodfish for the obtention of milt. Aquaculture 143, 215–217.

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Tiogue CT, Nyadjeu P, Mouokeu SR, Tekou G, Tchoupou H. 2020. Evaluation of hybridization in two African catfishes (Siluriformes, Clariidae): Exotic (Clarias gariepinus Burchell, 1822) and native (Clarias jaensis Boulenger, 1909) species under controlled hatchery conditions in Cameroon. Advances in Agriculture 2020, Article ID 8985424, 11 pages.

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Zango P, Tiogue CT, Nyadjeu P, Kenfack A, Tseuwo SGN, Kamanke SK, Kameni ABT, Tomedi ME, Tchoumboue J. 2023. Effect of the type of pituitary extracts and dose of synthetic hormones HCG and Ovaprim on some reproductive characteristics of the endogenous catfish of Cameroon Clarias jaensis (Boulanger, 1909) in a controlled environment. Asian Journal of Fisheries and Aquatic Research 25(5), 105–116.

Zango P, Tomedi Eyango MT, Efole TE, Tiogue CT, Nguenga D, Kamanke Kamanke SM, Mikolasek O, Tchoumboue J. 2016. Performances de reproduction du poisson chat endogène du Cameroun Clarias jaensis (Boulenger, 1909) en milieu contrôlé. International Journal of Biological and Chemical Sciences 10(2), 533–542.

Source : Influence of temperature on survival, yolk utilization, growth, and morphometric anomalyrates in post-embryonic Clarias jaensis under controlled conditions 

 

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Growth Dynamics of Achatina fulica in a Controlled Breeding Environment | InformativewBD

Coffi Franck Diider Adou, from the institute of Côte d’Ivoire. Jean-Baptiste Aman, from the institute of Côte d’Ivoire. Mamadou Karamoko, from the institute of Côte d’Ivoire and Atcho Ochoumou, from the institute of Côte d’Ivoire. wrote a Research Article about, Growth Dynamics of Achatina fulica in a Controlled Breeding Environment. Entitled, A study of the relative growth of the Achatina fulica Snail (Bowdich, 1820) carried out in a breeding environment. This research paper published by the International Journal of Agronomy and Agricultural Research (IJAAR).  an open access scholarly research journal on Agronomy. under the affiliation of the International Network For Natural Sciences| INNSpub. an open access multidisciplinary research journal publisher.

Abstract

Achatina fulica snails from two environments (Natural and Breeding) were subjected to two diets, one based on green fodder and the other based in the form of concentrate flour in order to evaluate linear growth. Thus, at the end of this study, we testify that Achatina fulica in the natural environment as well as in the breeding environment has a lower linear growth at the level of l/w; l/h relationship. Then, it grows less in width and height than in length. However, in terms of the height-width relationship, the linear growth is greater in the breeding environment than in the natural environment where Achatina fulica has a lower growth. With regard to weight growth, it should be testified that Achatina fulica generally gains less weight than it grows in length regardless of environment, either in natural environment or in breeding environment where snails are fed on concentrate.

Read more : Green Synthesis of Magnetite Nanoparticles from Calotropis gigantea for Sunlight-Driven Dye Degradation I InformativeBD

Introduction

Snail farming is growing in sub-Saharan Africa. Its tender, tasty chair, very rich in proteins, in salts minerals and especially in iron, represents an alternative source of animal protein ((Zongo et al., 1990; Otchoumou et al., 2003a; 2003b; 2004a; 2004b; N’da et al., 2004). The species concerned are Achatina achatina, Archachatina ventricosa, Achatina fulica, Archachatina marginata, a species increasingly consumed in Côte d'Ivoire (Agongnikpo et al., 2010, Dosso et al 2007a, Dosso et al., 2007b). Research related to a snail crop focused on certain species. The choice of organic buying as a biological model for our Study is not for a star of giant snails, this species is consumed in parts of Nigeria, Togo, Liberia, Benin (Egonmwan, 1988; Edjidike et al., 2004; Fagbuaro et al., 2006) and Ivoiry coast.

But the pickup, consequence of an increasing demand, led to a reduction of the workforce (Stievenart and Hardouin, 1990). Thus, for its preservation, many researchers have contributed by studies to the development of purchase-farming by basing their work on breeding techniques (Upatham et al., 1988, Hodasi 1989, Hardouin et al., 1993), on nutrition (Ireland, 1991), on growth (Otchoumou et al., 2003b, Adou et al., 2011) only young adults. The success of production and especially the extension of the purchase of only by knowing the species of snails best suited to the conditions breeding, but also by controlling certain biotic and abiotic factors that directly influence their production. 

It is therefore necessary to continue research on key areas for improvement. It's about determining: 

1- the nutritional needs of spat for the purpose to improve their growth, to advance the age of maturity sexual

 2- To reduce the development cycle while associating a high productivity. For our part, we will focus on subjecting a concentrated feed to Achatina fulica spat in order to appreciate the effect of feeding on its biological performance in aboveground breeding.

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Source : A study of the relative growth of the Achatina fulica Snail (Bowdich, 1820) carried out in a breeding environment  

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