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

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 standar...

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Veröffentlicht in:	Poultry science 2020-10, Vol.99 (10), p.4978-4989
Hauptverfasser:	Hu, Y.X., Bikker, P., Duijster, M., Hendriks, W.H., van Baal, J., van Krimpen, M.M.
Format:	Artikel
Sprache:	eng
Schlagworte:	Animal Feed - analysis Animal Nutritional Physiological Phenomena - drug effects Animals broilers Ca/P ratio Calcium Carbonate - pharmacology Calcium, Dietary - administration & dosage Chickens - growth & development Diet - veterinary Dietary Supplements Digestion Metabolism and Nutrition particle size of limestone phosphorus and calcium digestibility Tibia - drug effects Tibia - physiology
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Beschreibung
Zusammenfassung:	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 (
ISSN:	0032-5791 1525-3171
DOI:	10.1016/j.psj.2020.06.037