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Effects of Graded Levels of Joy Perfume Tree (<i>Pentadiplandra brazzeana</i>) Powder in Drinking Water on Growth Performance, Gut Microbiota and Haemato-Biochemical Parameters of Broiler Chickens

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Open Journal of Animal Sciences 2020年第3期10卷 514-527页

作者： Tsafack Boris Necdem Kana Jean Raphaël Yemdjie Mane Divine Ebile Dayan Agwah Ngouana Tadjong Ruben Donfack Mikael Tchouan Deffo Gilchrist kengni noubissie josiane Teguia Alexis Animal Production and Nutrition Research Unit Department of Animal sciences Faculty of Agronomy and Agricultural Sciences University of Dschang Dschang Cameroon Laboratory of Aquatic Ressources Department of Aquaculture Institute of Fisheries and Aquatic Sciences University of Douala Douala Cameroon

The restriction of antibiotic growth promoters in livestock nutrition has led to a growing interest in plant feed additives. This study was designed to assess the production performance of broiler chickens fed on graded levels of Pentadiplandra brazzeana powder in drinking water. A total of 448 day-old Cobb 500 broiler chicks were randomly assigned to seven treatment groups with 4 replicates of 16 birds each (08 males and 08 females). Pentadiplandra brazzeana root was grounded and incorporated at 1, 2, 3, 4 and 5 g/L of drinking water. Control rations consisted of diet without any supplement (T0) and antibiotic (1 g/kg) medicated diet (T0+). Throughout the experimental period (49 days) feed intake was not significantly (p > 0.05) affected by graded levels of Pentadiplandra brazzeana except for 5 g/L of water that significantly (p Pentadiplandra brazzeana/L recorded a higher (p 0.05) affected irrespective of the level of incorporation of the test spice in drinking water. Serum content in urea was significantly lower (p Pentadiplandra brazzeana/L compared to all other treatments. ASAT, ALAT, creatinine, total cholesterol, triglycerides, HDL and LDL-cholesterol were not significantly affected by the inclusion of Pentadiplandra brazzeana powder in drinking water. Feeding chickens with up to 4 g of Pentadiplandra brazzeana significantly increased (p < 0.05) lactic acid bacteria count. E. coli and salmonella counts significantly (p < 0.05) decreased with the spice in water as compared to the control diet. In conclusion, the administration of u

关键词： Broilers Growth Performance Gut Microbiota Haemato-Biochemical Parameters Pentadiplandra brazzeana

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Effects of Methenamine Feeding Regime on Growth Performances, Gut Microbiota, Organs Histology and Haemato-Biochemical Profile of Broiler Chickens

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Open Journal of Animal Sciences 2021年第2期11卷 238-254页

作者： kengni noubissie Guyssela josiane Kana Jean Raphaël Ngouana Tadjong Ruben Yemdjie Mane Doriane Divine Ebile Dayan Agwa Tchouan Deffo Gilchrist Necdem Tsafack Boris Valdes Issa Bachar Issa Laboratory of Animal Nutrition Department of Animal Science University of Dschang Cameroon Laboratory of Aquaculture and Demography of Fisheries Resources Department of Aquaculture institute of Fisheries and Aquatic Science of Yabassi University of Douala Cameroon Laboratory of Aquaculture and Demography of Fisheries Resources Department of Aquaculture institute of Fisheries and Aquatic Science of Yabassi University of Douala Cameroon

Microbial resistance in livestock has become a subject of great concern of public and scientific interest. This study was designed to assess the effects of methenamine feeding regime on growth performances of broilers chickens. For this purpose, 120 chicks of Cobb 500 strain, including 60 males and 60 females of 21 days old with an average weight of 639 g and 584 g respectively were used. They were randomly distributed in 60 experimental units of 2 chicks of same sex per cage until 49 days. Methenamine was incorporated in feed (TA), acidified (TEa) and non acidified (TE) water and compared to an antibiotic medicated diet as positive control (T0+) and a ration without any supplement as negative control (T0). The main results showed that, regardless of the feeding regime, methenamine significantly (p 0.05) increased feed inteake, body weight, weight gain and decreased (p 0.05) feed conversion ratio. Methenamine whatever the feeding regime induced a significant increase in lactic acid bacteria counts compared to coliforms and coccidies counts. Salmonella were absent throughout the trial period. Regardless of sex and feeding regime, hematological parameters were not significantly affected, with the exception of white blood cell and platelet concentration that decreased significantly (p 0.05) in male broilers. Serum content in ASAT (Aspartate-transferase), ALAT (Alanine-transferase), creatinine, urea and LDL-

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