Estimativa da metanogênese em vacas lactantes alimentadas com rações concentradas contendo diferentes fontes lipídicas
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Estimativa da metanogênese em vacas lactantes alimentadas com rações concentradas contendo diferentes fontes lipídicas. / Malafaia, Pedro Anton̂io Muniz; Valadares Filho, Sebastião De Campos; Vieira, Ricardo Augusto Mendonça; Borges, Arnaldo.
I: Revista Brasileira de Zootecnia, Bind 26, Nr. 1, 01.1997, s. 205-212.Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt
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TY - JOUR
T1 - Estimativa da metanogênese em vacas lactantes alimentadas com rações concentradas contendo diferentes fontes lipídicas
AU - Malafaia, Pedro Anton̂io Muniz
AU - Valadares Filho, Sebastião De Campos
AU - Vieira, Ricardo Augusto Mendonça
AU - Borges, Arnaldo
PY - 1997/1
Y1 - 1997/1
N2 - Methane production in lactating dairy cows fed diets containing different lipidic supplements was estimated by the use of a prediction equation. Diets were evaluated by estimating daily methane output, methane output per kg of milk production and methane output per unit of dry matter intake and per unit of organic matter digested in the rumen. The addition of lipids different sources of were efficient to reduce daily methane output, methane produced per unit of milk production and per unit of dry matter intake. The estimative of the energy losses was similar to that described in the literature, which was between 3.86 to 7.6% of gross energy intake. The concentrate rations without lipidic sources resulted in more daily methane production. The intake of corn silage resulted in higher of energy losses and produced more methane per unit of milk, feed intake and feed digested. In Brazil, methanogenesis by ruminants could be reduced by the utilization of lipid supplement, especially in regions where these lipidic sources are cheap and abundant.
AB - Methane production in lactating dairy cows fed diets containing different lipidic supplements was estimated by the use of a prediction equation. Diets were evaluated by estimating daily methane output, methane output per kg of milk production and methane output per unit of dry matter intake and per unit of organic matter digested in the rumen. The addition of lipids different sources of were efficient to reduce daily methane output, methane produced per unit of milk production and per unit of dry matter intake. The estimative of the energy losses was similar to that described in the literature, which was between 3.86 to 7.6% of gross energy intake. The concentrate rations without lipidic sources resulted in more daily methane production. The intake of corn silage resulted in higher of energy losses and produced more methane per unit of milk, feed intake and feed digested. In Brazil, methanogenesis by ruminants could be reduced by the utilization of lipid supplement, especially in regions where these lipidic sources are cheap and abundant.
KW - Bovines
KW - Environmental control
KW - Lipids
KW - Methane
KW - Rumen
UR - http://www.scopus.com/inward/record.url?scp=3142619300&partnerID=8YFLogxK
M3 - Tidsskriftartikel
AN - SCOPUS:3142619300
VL - 26
SP - 205
EP - 212
JO - Revista Brasileira de Zootecnia
JF - Revista Brasileira de Zootecnia
SN - 1516-3598
IS - 1
ER -
ID: 271558713