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Title: Dynamics of pastures and fodder crops for Mirandesa cattle breed
Author: Galvão, Lurdes
Moreira, Olga
Valentim, Ramiro
Ribeiro, José Ramalho
Alves, Virgílio
Issue Date: 2005
Publisher: EAAP, Wageningen Academic Publishers
Citation: Galvão, Lurdes; Moreira, O.C.; Valentim, Ramiro; Ribeiro, J.R.; Alves, V. (2005) - Dynamics of pastures and fodder crops for Mirandesa cattle breed. In Book of Abstracts of the 56th Annual Meeting of the European Association for Animal Production. Uppsala. ISBN 9076998663
Abstract: Mirandesa cattle are a local breed from the Northeast region of Portugal, playing na important role on the maintenance of the rural spaces, contributing to the fixation of the populations ant to the environmental preservation. The aim of this study is to characterize the feed resources available along the year in this farming system. The animals graze natural pastures in Spring and beginning of Summer, being after fed with hays (of natural pasture or oat) and straws (oat, barley or wheat) and complemented with local feeds like squash or potatoes. Samples of feed were taken from three different farms in two consecutive years and analysed for crude protein (CP), cell wall components, minerals and in vitro organic matter digestibility (OMD). Data were evaluated using ANOVA statistical approach. Seasonal variations were observed in natural pastures with decreases of CP from Spring to Summer (16.0 to 9.4% DM) and increases of NDF content from 32 to 41% DM. Consequently a reduction of OMD from 69 to 58% was observed. Regarding hays composition, differences were observed for CP content which was lower for oat hay, compared with that from natural (2.4 vs. 4.6% DM). Straw quality varied between farms and type of straw.
Peer review: yes
ISBN: 9076998663
ISSN: 1382-6077
Appears in Collections:CA - Resumos em Proceedings Não Indexados ao ISI/Scopus

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