Behavioural strategies of dairy cows grazing swards of different surface heights

Autor:	C. A. Huckle, M. J. Gibb, R. Nuthall, A. J. Rook
Rok vydání:	1997
Předmět:	Animal science Grazing Environmental science General Medicine
Zdroj:	Proceedings of the British Society of Animal Science. 1997:136-136
ISSN:	1752-7570 1752-7562
DOI:	10.1017/s1752756200595775
Popis:	Sward surface height (SSH) has a significant effect on bite mass in dairy cows grazing continuously stocked pastures (Gibb et al., 1995). To compensate for this, cows must either attempt to maintain intake rate by increasing bite rate, or increase the total time spent eating. Previous work (Gibb et al., 1995) showed that lactating cows had limited capacity to increase bite rate, but this work was not designed to examine whether animals altered bite mass or bite rate in response to different nutritional demands. An experiment was therefore conducted to compare the grazing behaviour of cows with high or low intake potential, over a range of SSH on continuously stocked swards.
Databáze:	OpenAIRE
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