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Fodder supply to dairy cows during the dry season in Tanzania: comparative evaluation of three silages and lupin green forage
Published online by Cambridge University Press: 27 March 2009
Summary
Forty-eight Friesian cows in weeks 4–20 of lactation at the start of the trial were used in a comparative evaluation of Desmodium–grass silage, Rhodes grass silage, maize silage and lupin green forage. The forages were group-fed ad libitum and a concentrate was offered according to a standard lactation of 4200 kg milk in a 12-week test period. A digestibility trial with five wethers was used to evaluate the nutritive value of the forages.
Cows offered the Rhodes grass silage had the highest forage dry-matter intake and those on maize silage had the lowest intake. There was no significant difference between the intake of Desmodium–grass silage and lupin green forage. Milk and FCM production were not significantly different on the four treatments although lupin green forage gave appreciably less than the silages. The expected milk production from the energy and protein consumed suggested that the milk produced was mainly from the concentrate. It is concluded that low energy concentration in all the forages, and low crude protein content in the silages, were the main limiting factors for high milk production.
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- Copyright © Cambridge University Press 1982
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