Abstract
Hodgson (1975) has shown that herbage intake of the grazing dairy cow is maximised when the daily herbage allowance on offer is equivalent to four times the amount eaten, with a rapid decline in intake when herbage allowance falls below 40g organic matter/kg liveweight/day. This relationship between herbage intake and allowance results from the increasing difficulty of prehending herbage as the sward is grazed closer to the ground. Under a rotational grazing system, the height to which grass is grazed (residual herbage height) is a useful estimate of the amount of herbage available to the grazing animal. The present study was designed to establish the relationship between residual herbage height and milk production.
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Schedule a callMore From: Proceedings of the British Society of Animal Production (1972)
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