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Corn silage supplementation for dairy cows grazing annual ryegrass at two pasture allowances Arq. Bras. Med. Vet. Zootec.
Miguel,M.F.; Delagarde,R.; Ribeiro-Filho,H.M.N..
ABSTRACT Corn silage supplementation for dairy cows grazing in temperate annual pastures has rarely been investigated. The aim of this study is to compare two supplementation levels (0 and 4kg dry matter [DM]/day of a 7:1 mixture of corn silage and soybean meal) in dairy cows strip-grazing annual ryegrass (Lolium multiflorum Lam.) at two pasture allowances (PA, low= 25 and high = 40kg DM/d at ground level). The study was carried out according to an incomplete 4 × 3 Latin square design, using 12 cows and three experimental periods of 12 days. The green leaves allowances were only 4.9 and 8.5kg DM/d at the low and high PA, respectively. The total DM intake and milk production increased in supplemented cows compared to un-supplemented cows at the low PA, but...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Dairy cow; Corn silage; Grazing; Pasture allowance; Supplementation.
Ano: 2019 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-09352019000301037
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