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Forward of results about effects of the supplementation in the ingestion and ruminant parameters for merino sheep on grazing

AutorLópez Gallego, F.; Espejo Diaz, M.; Chaso, M. A.; Mantecón, Ángel R.
Palabras claveRumen
Merino sheep
Fecha de publicación1993
EditorInternational Goat Association
European Commission
CitaciónMeeting on Sheep and Goat Nutrition, pp.: 187-190 (1993)
ResumenIt is studied in 1993 and on grazing conditions, through a research protocol, the quantitative ingestion of grass for Merino sheep in three very important periods for the extensive system in ovine production, spring, sumrner and autumn. The spring time gives the highest seasonal production and herbaceous availability, the summer makes grass with a low digestibility from the spring grazing superavits and the autumn period means new cycle in pasture production. They are studied qualitatively these basic diets by parameters of their chemical composition, digestibility and supplementation effects. In a parallel way, they are studied the effects of the basic diet, pasture in different grazing periods, about degradation of two supplements, barley and barley with lupin (Lupinus albus amargus). Variations observed in the digestibility and chemical composition of the pasture according to the grazing periods, answer to the vegetative state of these pastures, natural and with a complexity botanical composition. In the same way, the grazing periods influences in the ingestion and the relations of this with the degradation of the extra supplements. Information about voluntary ingestion and the behaviour of Merino sheep in grazing fixed through the studied ruminant parameters, ratify the adaptation of this breed to these grazing systems and its great potentíal of utilisation of these seasonal resources.
Descripción3 pages.-- Contributed to: Meeting on Sheep and Goat Nutrition (Thessaloniki, Greece, Sep 24-26, 1993).
Aparece en las colecciones: (IGM) Comunicaciones congresos
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