BDPA - Bases de Dados da Pesquisa Agropecuária Embrapa

Registro Completo
Biblioteca(s):  Embrapa Caprinos e Ovinos.
Data corrente:  11/07/2017
Data da última atualização:  11/07/2017
Autoria:  MICHALK, D. L.; BEALE, J. A.
Título:  An evaluation of barrel medic (Medicago truncatula) as an introduced pasture legume for marginal cropping areas of southeastern Australia.
Ano de publicação:  1976
Fonte/Imprenta:  Journal of Range Management, v. 29, n. 4, p. 328-333, Jul. 1976.
DOI:  10.2307/3897099
Idioma:  Inglês
Conteúdo:  Abstract: The potential of barrel medic (Medicago truncatula) as a possible improved pasture legume for introduction to marginal cropping areas was examined with breeding Merino ewes at four stocking rates. Although the dry matter production was similar to that of natural pasture, the proportion of barrel medic, ranging from 5 to 30%, was higher than that of naturalized medics in adjacent natural pasture areas. However, although barrel medic persisted in the pasture under all stocking treatments, it was unable to compete with barley grass (Hordeum leporinum), which invaded the pasture soon after establishment. While the pasture could support 5 ewes per hectare under favourable seasonal conditions with only moderate supplementary feeding in winter, it could not adequately support any stocking rate under drought conditions without considerable supplementary feeding. Annual wool production per head declined significantly with increased stocking rate and adverse seasonal conditions. Stocking rate did not affect lamb growth rates, but drought caused a high lamb mortality rate. The usefulness of barrel medic at Trangie is questionable, since it did not significantly improve either carrying capacity or lamb growth rates above that of natural pasture. At the same time, lucerne pastures under rotational management were able to support higher stocking rates and improve lamb growth above those of either barrel medic or natural pasture.
Palavras-Chave:  Economic growth rate; Natural grasslands; Pasture; Stocking density.
Thesaurus Nal:  Barley; Ewes; Grasses; Lambs; Rain; Sheep; Wool production.
Categoria do assunto:  L Ciência Animal e Produtos de Origem Animal
Marc:  Mostrar Marc Completo
Registro original:  Embrapa Caprinos e Ovinos (CNPC)
Biblioteca ID Origem Tipo/Formato Classificação Cutter Registro Volume Status URL
CNPC34212 - 1ADDAP - PP


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