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Ingestion and In VivoDigestibility of a Concentrated Granulated Feed Containing Seeds of Moringa oleiferaAssociated with Pennisetum purpureumin Guinea Pigs

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Open Journal of Animal Sciences 2020年第4期10卷 782-791页

作者： David Fokom Wauffo Fernand Tendonkeng Emile Miégoué france-gina djoumessi tobou Camara Sawa Mama Mouchili Gilles Azangue Jiope Institute of Agricultural Research for Development Bangangte Cameroon Department of Animal Science Faculty of Agronomy and Agricultural Sciences University of Dschang Dschang Cameroon Institute of Agronomic Research of Guinea Conakry Guinea Department of Plant Biology Faculty of Science University of Dschang Dschang Cameroon

In order to contribute to the improvement of guinea pig nutrition through the use of unconventional vegetable protein sources (Moringa oleifera seeds), experimental trials were carried out at the Animal Production and Nutrition Research Unit (URPRONAN) of the University of Dschang in April 2018. Moringa oleifera seeds from North Cameroon were divided into three treatments: the first consisted of whole Moringa oleifera seeds (MO-whole), the second of Moringa oleifera seeds soaked in cold water for 24 hours (MO-water) and the third of peeled Moringa oleifera seeds (MO-peeled). The seeds belonging to these three treatments were analyzed for the determination of the chemical composition before being incorporated into the different concentrates. Each concentrate was then granulated and combined with Pennisetum purpureum to make up the different rations. 40 English Guinea pigs with an average weight of 350 ± 50 g were used to evaluate the ingestion and digestibility of each ration. During the digestibility test which lasted 17 days (10 days of adaptation and 07 days of data collection), each ration was repeated on 10 Guinea pigs. The main results showed that the total tannin and phenol contents decreased significantly (p Moringa oleifera seeds soaked for 24 hours or pulped can be used in guinea pig feed as an alternative source of protein.

关键词： Chemical Composition Digestibility Ingestion Guinea Pigs Moringa oleifera Pennisetum purpureum

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Effects of Different Levels of Fertilization with Hen Droppings on the Production and Chemical Composition of Pennisetum clandestinum(Poaceae)

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Open Journal of Animal Sciences 2021年第4期11卷 543-558页

作者： Wauffo David Fokom Fernand Tendonkeng Gilles Jiope Azangue Emile Miégoué france-gina tobou djoumessi Nyah Cédric Kwayep Mama Mouchili Institute of Agricultural Research for development (IRAD) Bangangté Cameroon Department of Animal Science Faculty of Agronomy and Agricultural Sciences University of Dschang Cameroon Department of Plant Biology Faculty of Science University of Dschang Cameroon

The use of organic manures, constitute an alternative to that of polluting artificial fertilizers. In this study, the effect of various levels of hen droppings fertilization on the production of biomass, chemical composition and carrying capacity of P. clandestinum were evaluated at the Research and Experimental Farm (REF) and at the Animal Nutrition and Feeding Laboratory of the University of Dschang, between April and September 2016. A completely randomized block design comparing three nitrogen level of fertilization in hen droppings form (0;100 and 200 kg N/ha) on 4 m2 plot of P. clandestinum were used. Each treatment was carried out in four replications for a total of 12 experimental plots. Then a sample of 500 g of forage has been collected in the center of each plot, then dried and used for the evaluation of the biomass and the chemical composition of P. clandestinum, according to the level of fertilization and

关键词： Fertilization Hen Droppings Biomass Chemical Composition Pennisetum clandestinum

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Effect of Dietary Incorporation of Curcuma longaPowder on Haematology and Serological Properties of Guinea Pigs (Cavia porcellus)

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Open Journal of Animal Sciences 2020年第4期10卷 750-760页

作者： france gina djoumessi tobou Fernand Tendonkeng Emile Miégoué Bertine Marie Noel Noumbissi David Fokom Wauffo Hervé Mube Kuitche Dayan Ebile Agwah Department of Zootechnic Faculty of Agronomy and Agricultural Sciences University of Dschang Dschang Cameroon

The reduced efficiency of antibiotic growth promoters in livestock, and the unavoidable residual effects on livestock products such as egg, meat and milk have pushed researchers to rush towards the use of phytobiotics in animal feed. This study was conducted at the Teaching and Research Farm of the University of Dschang to evaluate the Effect of Cucurma longa powder as feed additive on hemato-serological parameters in Guinea pigs. A total of 120 three weeks old Guinea pigs (60 males and 60 females), with an average weight of 150 ± 20 g were used. The animals were randomly distributed into four treatments in a completely randomized design with 30 animals per treatment (15 males and 15 females). Four experimental treatments were used by adding 0%, 0.25%, 0.5% and 1% C. longa in the diet corresponding to R0, R0.25%, R0.5% and R1% respectively. At the 8th week of age, 12 Guinea pigs (6 males and 6 females) per treatment were fasted for 12 hours and sacrificed by cervical dislocation. Blood was rapidly collected from the jugular vein for the evaluation of haematological and biochemical parameters. Results revealed that the inclusion of Curcuma longa at 0.25% significantly (p Curcuma longa powder at 0.25% as feed additive positively regulates blood serum parameters of Guinea pigs.

关键词： Cavia porcellus Cucurma longa Haematology and Serological Parameters

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Socio-Economic and Technical Characteristics of Beef Cattle Breeding in Ndé Division, West Region of Cameroon

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Open Journal of Animal Sciences 2023年第3期13卷 379-397页

作者： David Fokom Wauffo Geraud C. Tasse Taboue Brenda M. Tsana Nantia gina france djoumessi tobou Elvis Ndukong Ndzi Abdou S. Nsangou Mohamed M. F. Ndebé Brice H. T. Fokouong Frank D. K. Wouembe Suzy G. Tsoupou Kuete Kingsley M. Tanyi Kingsley A. Etchu Fernand Tendongkeng Multipurpose Research Station Institute of Agricultural Research for Development Bangangté Cameroon Department of Animal Production Faculty of Agronomy and Agricultural Sciences University of Dschang Dschang Cameroon Environment and Communities Care Front Bafoussam Cameroon Specialized Research Station on Marine Ecosystems Institute of Agricultural Research for Development Kribi Cameroon Institute of Agricultural Research for Development Head Office Yaoundé Cameroon

Insight is here provided into the socio-economic and technical characteristics of cattle production in the Ndé Division (West Cameroon region). Using a semi-structured questionnaire, information on the activity was assessed following onsite visits and interviewing breeders. Through a random sampling scheme, 110 breeders in the four subdivisions of the Ndé Division were shadowed. The majority (98.18%) of breeders were men aged 20 to 40 and married (91.82%). They belong to the Mbororo ethnic group, having cumulated more than 10 years in the activity. Most respondents (50.91%) did not attend school and earn their living mainly from livestock (78.18%). Cattle were raised for sale and to feed the breeder’s family (77.27%). The main mode of acquisition of animals was through inheritance (81.82%). The cattle breeds were mostly made up of white Fulani (70%), living in private farms using a combination of stake and barbed wires (67.27%) as fences. The combination of natural fodder and cooking salt was used by most breeders (59.09%) as a daily ration. Reproduction was by natural mating (97.07%). Parasites (internal and external) and foot-and-mouth disease were the main diseases reported by the majority of farmers. Self-treatment (50%) was the main prophylactic measure taken by farmers in case of disease symptoms. Cattle herders faced several challenges, such as insufficient pasture (67.27%), agro-pastoral conflicts (76.36%) and diseases (90.91%). Cattle breeding was rather a widespread activity with no particular restriction.

关键词： Cattle Breeding Socio-Economic Breeding Technical Characteristics Constraints Cameroon

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Effects of Different Levels of Garlic Powder Incorporated in the Feed Enriched with Stylosanthes guianensis on Reproduction and Pre-Weaning Growth Performances of Cavies (Cavia porcellus)

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Open Journal of Animal Sciences 2023年第4期13卷 574-589页

作者： Martin Vidal Tatang Emile Miégoué Margaret Mary Momo Chongsi Wouafo David Fokom Nyah Cédric Kwayep Paulette Ntsafack tobou france-gina djoumessi Mathieu Duclos Fogang Fernand Tendonkeng Department of Animal Science Faculty of Agronomy and Agricultural Sciences University of Dschang Dschang Cameroon Multipurpose Research Station Institute of Agricultural Research for Development Bangangté Cameroon

In order to increase the productivity of the local cavies as a meat animal, a study was carried out between November 2021 and March 2022 at the Research and Experimental Farm, Animal Nutrition and Production Research Unit of the Faculty of Agronomy and Agricultural Sciences (FAAS) and the Microbiology and Anti-Microbial Research Unite of the University of Dschang on 72 cavies aged between 4 and 5 months and weighing an average of 450 ± 50 g produced on the farm, including 60 females and 12 males. The females were distributed according to a completely randomized factorial design in twelve (12) rearing boxes numbered G1 to G12, with 15 females per group distributed in 03 boxes and receiving iso-nitrogenated experimental diet (18% protein) R0 enriched with 20% of Stylosanthes guianensis (0% garlic powder), R0.25 (0.25% garlic powder), R0.50 (0.50% garlic powder) and R0.75 (0.75% garlic powder). Females were identified by numbered ear tags and mated with a sex ratio of 5 females for 1 male. Drinking water enriched with vitamin C (01 tablet of 240 mg in 1.5 liters of water) was served ad libitum and renewed daily. The males were removed after 31 days. A form was established to record the weight of each pregnant female, any abortions during gestation, the date of parturition and the date of birth of each newborn, as well as the number of live-born or stillborn pups. After parturition, the weights of female and newborn cavies were recorded weekly until the 3rd week. The number of cavies that died before weaning and the number of live weaned cavies were also recorded. Reproductive performance significantly increased (p 0.05) fertility rate and net fertility rate, litter size, birth viability rate, and pre-weaning viability rate with rations containing garlic powder, compared to the control ration, especially with the R0.50 ration. In addition, birth mortality and pre-weaning mortality were significantly lower (p 0.05) with rations containing the additive, compare

关键词： Cavy Garlic Powder Pre-Weaning Growth Reproduction Stylosanthes guianensis

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The Quadrennial Ozone Symposium 2016

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Advances in Atmospheric Sciences 2017年第3期34卷 283-288页

作者： Sophie GODIN-BEEKMANN Irina PETROPAVLOSKIKH Stefan REIS Paul NEWMAN Wolfgang STEINBRECHT Markus REX Michelle L. SANTEE Richard S. ECKMAN Xiandong ZHENG Matthew B. TULLY David S. STEVENSON Paul YOUNG John PYLE Mark WEBER Johanna TAMMINEN gina MILLS Alkis F. BAIS Clare HEAVISIDE Christos ZEREFOS Observatoire de Versailles Saint-Quentin en Yvelines Universite de Versailles Saint-Quentin-en-Yvelines CNRS 78280 Guyancourt France CIRES University of Colorado Boulder CO 80309 USA NERC Centre for Ecology & Hydrology Edinburgh EH26 OQB UK Goddard Space Flight Center NASA Greenbelt MD 20771 USA Hohenpeissenberg Meteorological Observatory Deutscher Wetterdienst 82383 Hohenpeissenberg Germany Alfred Wegener Institute 14401 Potsdam Germany Jet Propulsion Laboratory California Institute of Technology CA 91109 USA NASA Headquarters Earth Science Division Washington DC USA Chinese Academy of Meteorological Sciences Beijing 100081 China Bureau of Meteorology Melbourne Victoria 3001 Australia University of Edinburgh School of GeoSciences Edinburgh EH9 3FE UK Lancaster Environment Centre Lancaster University Lancaster LA1 4YQ UK University of Cambridge Department of Chemistry Cambridge CB2 1EW UK University of Bremen Institute of Environmental Physics 28359 Bremen Germany Finnish Meteorological Institute Earth Observation FI-00101 Helsinki Finland NERC Centre for Ecology and Hydrology Bangor Gwynedd LL57 2UW Wales UK Aristotle University of Thessaloniki ELKE AUTH Thessaloniki Greece Public Health England Centre for Radiation Chemical and Environmental Hazards London UK Research Center for Atmospheric Physics & Climatology Academy of Athens Athens 10680 Greece University of Exeter Medical School Truro TR1 3HD UK

1. Overview The 2016 Quadrennial Ozone Symposium （QOS-2016） was held on 4-9 September 2016 in Edinburgh, UK. The Symposium was organized by the International Ozone Commission （IO3C）, the NERC Centre for Ecology ＆ Hydrology and the University of Edinburgh, and was co-sponsored by the International Union of Geodesy and Geophysics, the International Association of Meteorology and Atmospheric Sciences, and the World Meteorological Organization.

关键词： NERC The Quadrennial Ozone Symposium 2016 UK USA

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