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Effects of direct-fed Bacillus subtilis and Bacillus licheniformis on production performance and milk fatty acid profile in dairy cows.
Lamontagne, J; Rico, D E; Perdomo, C M; Ronholm, J; Gervais, R; Chouinard, P Y.
Afiliación
  • Lamontagne J; Département des Sciences Animales, Université Laval, Québec, QC, Canada G1V 0A6.
  • Rico DE; Département des Sciences Animales, Université Laval, Québec, QC, Canada G1V 0A6; Centre de Recherche en Sciences Animales de Deschambault (CRSAD), Deschambault, QC, Canada G0A 1S0.
  • Perdomo CM; Centre de Recherche en Sciences Animales de Deschambault (CRSAD), Deschambault, QC, Canada G0A 1S0.
  • Ronholm J; Department of Food Science and Agricultural Chemistry, McGill University, Sainte-Anne-de-Bellevue, QC, Canada H9X 3V9; Department of Animal Science, McGill University, Sainte-Anne-de-Bellevue, QC, Canada H9X 3V9.
  • Gervais R; Département des Sciences Animales, Université Laval, Québec, QC, Canada G1V 0A6.
  • Chouinard PY; Département des Sciences Animales, Université Laval, Québec, QC, Canada G1V 0A6. Electronic address: Yvan.Chouinard@fsaa.ulaval.ca.
J Dairy Sci ; 106(3): 1815-1825, 2023 Mar.
Article en En | MEDLINE | ID: mdl-36710185
The aim of the study was to determine the effect of a Bacillus-based direct-fed microbial on performance of mid-lactating Holstein dairy cows and on their milk fatty acid composition. Six multiparous cows fitted with a rumen cannula were used in a randomized replicated crossover design. Cows received 200 g/d of either whey powder as a control or BioPlus 2B (Chr. Hansen), a commercial direct-fed microbial providing Bacillus subtilis and Bacillus licheniformis, representing a daily dose of 6.4 × 1011 cfu, and using whey powder as a carrier. The 2 experimental periods lasted 14 d and were separated by a 7-d washout interval. Samples were collected on d 0, 13, and 14 of each period. Data from d 0 were used as covariate. Significance was declared at P ≤ 0.05 and tendency at 0.05

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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Bacillus / Bacillus licheniformis Límite: Animals Idioma: En Revista: J Dairy Sci Año: 2023 Tipo del documento: Article Pais de publicación: Estados Unidos
Texto completo
Añadir a Mi BVS
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XML
PubMed Links
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Bacillus / Bacillus licheniformis Límite: Animals Idioma: En Revista: J Dairy Sci Año: 2023 Tipo del documento: Article Pais de publicación: Estados Unidos