The effect of dietary protein content and hay intake level on the true and apparent digestibility of hay

Autor:	Frank P. O'Mara, M. J. Kenny, F.J. Mulligan, M. Rath, P.J. Caffrey
Rok vydání:	2001
Předmět:	Protein content chemistry.chemical_compound Dietary protein General Veterinary Chemistry Hay Urea Animal Science and Zoology Forage Food science
Zdroj:	Livestock Production Science. 68:41-52
ISSN:	0301-6226
Popis:	The digestibility of concentrate feeds has been determined by difference using hay as a basal forage in many institutions. The objective of this experiment was to examine the effect of hay intake level and dietary crude protein (CP) content on hay digestibility. Groups of wether lambs (1 year old) were fed three levels (600, 700 and 800 g/day) of hay each at two CP contents (103 and 182 g CP/kg DM), achieved by using a urea solution. An extra group of lambs were fed hay unsupplemented with urea (42 g CP/kg DM) at a level of 800 g/day. The true organic matter digestibility (True OMD, calculated using two methods: True OMD 1 and 2) and apparent OMD of all treatments fed the 182 g CP/kg DM diets were significantly higher (P
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::7c1c1c5c2ffb19d15b9a0a0c89a41384 https://doi.org/10.1016/s0301-6226(00)00209-8 Zobrazit plný text záznamu Full Text from ScienceDirect