Effect of Stocking Density on the Performance and Immunity of 1- to 14-d- Old Broiler Chicks

ABSTRACT The current experiment was conducted to evaluate the effect of stocking density (SD) on the performance and immunity of 1- to 14-d-old broilers. A total of 1836 one-day-old Cobb 500 broilers were housed at four different SD (30, 60, 90 and 120 chicks/m2). Body weight gain (BWG), feed intake...

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Bibliographic Details
Published in:Brazilian Journal of Poultry Science 2016-12, Vol.18 (4), p.683-692
Main Authors: Qaid, M, Albatshan, H, Shafey, T, Hussein, E, Abudabos, AM
Format: Article
Language:English
Subjects:
AGRICULTURE, DAIRY & ANIMAL SCIENCE
Broilers
immune response
ORNITHOLOGY
stocking density
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Summary:ABSTRACT The current experiment was conducted to evaluate the effect of stocking density (SD) on the performance and immunity of 1- to 14-d-old broilers. A total of 1836 one-day-old Cobb 500 broilers were housed at four different SD (30, 60, 90 and 120 chicks/m2). Body weight gain (BWG), feed intake (FI) and feed conversion ratio (FCR) were estimated on d 2, 5, 8, 11 and 14. Relative lymphoid organ weights, maternal antibody titers against IBV, IBD and NDV, and stress indicators were estimated on d 3, 6, 9 and 12.The results indicated that age significantly (p
ISSN:1516-635X
1806-9061
1516-635X
DOI:10.1590/1806-9061-2016-0289