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Rajasthan University of Veterinary and Animal Sciences, Bikaner (2021)

Effect of Supplementation of Panchagavya on Performance and Carcass Characteristics of Broiler Chicks in Arid Zone of Rajasthan

DILEEP KUMAR NAGAR

Titre : Effect of Supplementation of Panchagavya on Performance and Carcass Characteristics of Broiler Chicks in Arid Zone of Rajasthan

Auteur : DILEEP KUMAR NAGAR

Université de soutenance : Rajasthan University of Veterinary and Animal Sciences, Bikaner

Grade : Master of Veterinary Science (Animal Nutrition) 2021

Résumé
The objective of present study was to investigate the effect of supplementation of Panchagavya as feed additive on performance and carcass characteristics of broilers. The study involves six week feeding trial followed by five days of metabolic trial with broiler starter (0-21 days) and finisher (21-42 days) on 180 day old broiler chicks (Cobb-430Y). They were allotted into six treatment groups (T1-T6) with two replicates of 15 chicks each. The six treatments were designated as T1 i.e. control group was fed on a basal diet while T2, T3, T4, T5 and T6 were supplemented with 0.25%, 0.50%, 0.75%, 1.00%, and 1.25% level of Panchagavya. The observations recorded were live body weight, body weight gain, feed intake, feed conversion ratio, nutrients metabolizability, performance index, protein efficiency ratio, proximate of meat, pH and water holding capacity of meat, and comparative economics as cost of feeding per unit weight gain. Highly significant effect (P0.01) metabolizability for T4 group as compared to control. Mean values of Hb, TEC, TLC, PCV, heterophil (%), eosinophil (%) and lymphocyte (%) did not vary significantly among various treatment groups. There was no difference observed (P >0.05) in dressed weight (%), eviscerated weight (%) and weight of heart, liver, gizzard, and giblets among the treatments. Highest and significant pH of breast meat (P˂0.01) was observed in T1 group. Significantly higher water holding capacity of broiler breast meat was observed in T3 group than control and was comparable with T4 and T5 groups. The meat of broilers of control group was found to retain 2.89% less water (P˂0.01) than T3 group. Crude protein and ether extract content of meat was significantly affected (P<0.01) by Panchagavya treatment. Mean ether extract of breast meat revealed downward trend with higher level of Panchagavya treatment. Lowest and highest ether extract value was observed in T6 and T1 groups, respectively. T6 group showed highest crude protein content in meat while ash (%) was found to be non-significant. Panchagavya treatment reduced the overall cost of feed per kg weight gain as compared to control group. Maximum reduction (11.50%) in overall cost per kg of weight gain was revealed in T4 i.e. 0.75% Panchagavya fed group. The findings in present study with respect to all parameters indicated that the incorporation of Panchagavya could be effectively used in broiler ration to improve the performance of broiler chicks. The optimum level of Panchagavya adjudged from the present study was found 0.75

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