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Influences of stocking density and dietary probiotic supplementation on growing Japanese quail performance
Faculty
Technology and Development
Year:
2019
Type of Publication:
ZU Hosted
Pages:
Authors:
Staff Zu Site
Abstract In Staff Site
Journal:
ANAIS DA ACADEMIA BRASILEIRA DE CIENCIAS ANAIS DA ACADEMIA BRASILEIRA DE CIENCIAS
Volume:
91
Keywords :
Influences , stocking density , dietary probiotic supplementation
Abstract:
This study investigated the effects of stocking density and dietary supplementation of probiotic (Lactobacillus) on growth, traits of carcass, lymphoid organs and intestinal microbial count of Japanese quail. Quail chicks (one week old) were randomly allotted to 6 groups in a 2x3 factorial experiment included 2 levels of stocking density (100, and 75 cm2/bird) and 3 levels of probiotic (0.00, 0.02 and 0.04 g/kg diet). Quail reared at 100 cm2/ bird showed significantly the highest body weight and daily gain. Quail reared at 75 cm2/ bird had significantly the lower average of feed consumption and the best ratio of feed conversion. Increasing level of probiotic up to 0.04 g/kg led to a significant decrease in dressing percentage by about 2.7 % compared to the control. Interaction effect was insignificant on carcass traits studied except for liver percentage which was significantly higher for birds fed diet supplemented with probiotic at 0.04 g/kg of diet and reared at 100 cm2/bird. Rearing quail at 100 cm2/bird stocking density significantly increased bursa weight. Birds fed diet supplemented with probiotic at 0.02 g/kg of diet and reared at 100 cm2/bird showed significantly the highest (p = 0.043) spleen weight when compared with the other groups. In conclusion, the low (100 cm2/bird) stocking density was sufficient to give better performance of Japanese quail than the other group. Probiotic supplementation diminished the stressful effect of crowding on growing Japanese quail.
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Olwi Ali Mohamed Hasanien, "Effect of Graded Replacement of Corn by Broken Rice in Growing Japanese Quail Diets on Growth Performance, Carcass Traits and Economics.", Asian Journal of Animal Sciences 9 (6): 4-411, 2015 ISSN 1819-1878 / DOI: 10.3923/ajas.2015.404.411 © 2015 Knowledgia Review, Malaysia, 2016
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