Abstract
1. Effect of either once or twice daily concentrate supplementation of wheat straw on voluntary intake and digestion in sheep T Castro, T Manso, A.R Mantecón, M.D Carro Small Ruminant Research CrossRef
Highlights
The Churra breed is the most important nucleus of milk-producing sheep in Spain
This paper describes an experiment studying voluntary intake of hay by pregnant Churra ewes receiving diets with three levels of concentrate
NS 0.77 NS 0.69 a, b - ewe live weight change from day 110 to lambing proportions of concentrates and two hays available on mais ad libitum basis, V D M I of hays declined as the amount of concentrate increased, with greater declines in V D M I of the more digestible hay
Summary
The Churra breed is the most important nucleus of milk-producing sheep in Spain. Feeding systems used are variable in productive levels and available pastureland. Churra sheep graze pasture in many sheep-farming systems. In these circumstances, a cereal-based supplement is usually provided. Nutrient requirements of ewes in late pregnancy have been presented (ARC, 1980; NRC, 1985; I N R A , 1988) and have been described for Churra ewes (Guada and Ovejero, 1977; Castrillo and Guada, 1979).
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