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Conference

Conference

Forage legumes as protein supplements to poor quality diets in the semi-arid tropics  [1995]

Topps, J.H. (Department of Animal Science, University of Zimbabwe, P.O. Box MP167, Mount Pleasant, Harare, Zimbabwe);

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In the semi-arid tropics, the natural pasture has a low nutritive value during the dry season when the standing grass is mature and dormant. After the first two or three months of the dry season, crop residues become available following the harvesting of grain, but most of the residues are from cereal crops which have a nutritional value similar to that of the mature natural grass. Residues from leguminous crops are also available but in small quantities. They have a quality better than that of cereal residues and may be used as protein supplements to the poorer quality residues and to the mature pasture. In addition there is now increasing interest in, and use of legumes, either herbaceous or shrub species, from which the foliage can be harvested and used as protein supplements. When ruminants consume poor quality diets, food intake is low so the supply of nutrients is insufficient to meet requirements for maintenance. The main objective of providing a forage legume as a protein supplement is to increase both the total food intake and that of the basal poor quality diet. Early work on the use of forage legumes was mainly concerned with the need to improve the nitrogen content of diets based on poor quality roughages in order to overcome a deficiency of nitrogenous substrates for the rumen microorganisms. More recent evidence indicates that other changes occur in this supplementation situation which result in an enhancement of intake and digestibility of t
he diet. This review will assess the likelihood of such changes and the effects they may have on animal production.

Bibliographic information

Language:
English
Type:
Conference
In AGRIS since:
1996
Publisher:
ILRI
All titles:
"Forage legumes as protein supplements to poor quality diets in the semi-arid tropics"@eng
Other:
"Summary (En)"
"3 tables; ref."
"Rumen ecology research planning. Proceedings of a workshop, Wallace, R.J.Lahlou-Kassi, A. (eds.).- Nairobi (Kenya): ILRI, 1995.- ISBN 92-9146-005-2. p. 183-190"
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Bibliographic information

Language:
English
Type:
Conference
In AGRIS since:
1996
Publisher:
ILRI
All titles:
"Forage legumes as protein supplements to poor quality diets in the semi-arid tropics"@eng
Other:
"Summary (En)"
"3 tables; ref."
"Rumen ecology research planning. Proceedings of a workshop, Wallace, R.J.Lahlou-Kassi, A. (eds.).- Nairobi (Kenya): ILRI, 1995.- ISBN 92-9146-005-2. p. 183-190"