Grass only cheap when used well

September 27th, 2009

Grazed grass is only the cheapest feed when used efficiently. Much of its benefit can be lost due to poor feed conversion, Keenan’s nutrition director David Beever told a Grassland and Muck 2008 forum.

In May, its low structural fibre, high sugar and protein content make it pass too quickly through the cow and much of its value is lost. “A lack of suitable fibre reduces cud chewing and compromises rumen digestion leading to subclinical acidosis,” said Prof Beever. “Cows need to harvest 100kg/day of fresh grass just to achieve satisfactory levels of DM intake and milk production.”

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Grass only cheap when used well

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