Coarse limestone does not alleviate the negative effect of a low Ca/P ratio diet on characteristics of tibia strength and growth performance in broilers

Authors :: J. van Baal
Paul Bikker
M.M. van Krimpen
M. Duijster
W.H. Hendriks
Yixin Hu
Source :: Poultry Science, Poultry Science, 99(10), 4978-4989, Poultry Science, Vol 99, Iss 10, Pp 4978-4989 (2020), Poultry Science 99 (2020) 10
Publication Year :: 2020
Abstract: The hypothesis was tested that an increased digestion of coarse compared with fine limestone can alleviate the negative effects of a low dietary Ca/P ratio on the growth performance and characteristics of tibia strength (CTS) in broilers. A total of 1,152 Ross 308 broiler chickens received a standard commercial starter feed from day 0 to 13. From day 14 onward, birds received 1 of 12 diets containing 1 of 6 Ca/P ratios (0.50, 0.75, 1.00, 1.25, 1.50, and 1.75) and 1 of 2 limestone particle sizes (

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