Zobrazeno 1 - 10
of 283
pro vyhledávání: '"L.F. Martins"'
Autor:
L.F. Martins, S.F. Cueva, D.E. Wasson, T. Silvestre, N. Stepanchenko, M.L. Hile, A.N. Hristov
Publikováno v:
Journal of Dairy Science, Vol 107, Iss 7, Pp 4587-4604 (2024)
ABSTRACT: The objective was to evaluate the effects of separate offering of feed ingredients (SF) and frequency of concentrate feeding versus offering a TMR, on lactational performance, ruminal fermentation, enteric CH4 emissions, nutrient digestibil
Externí odkaz:
https://doaj.org/article/33ba835b12034aff83808d536ca18acb
Publikováno v:
Journal of Dairy Science, Vol 107, Iss 7, Pp 4426-4448 (2024)
ABSTRACT: This study investigated the effects of feeding an amylase-enabled corn silage (ACS) on the performance and enteric gas emissions in lactating dairy cows. Following a 2-wk covariate period, 48 mid-lactation Holstein cows were assigned to 1 o
Externí odkaz:
https://doaj.org/article/58c356ad5fa64d92b26d2db7e26e13c9
Publikováno v:
Journal of Dairy Science, Vol 107, Iss 1, Pp 242-257 (2024)
ABSTRACT: The objective of this study was to evaluate lactational performance, enteric gas emissions, ruminal fermentation, nutrient use efficiency, milk fatty acid profile, and energy and inflammatory markers in blood of peak-lactation dairy cows fe
Externí odkaz:
https://doaj.org/article/bb30b00c5f494e638779bb59da7fb7be
Autor:
T. Silvestre, L.F. Martins, S.F. Cueva, D.E. Wasson, N. Stepanchenko, S.E. Räisänen, S. Sommai, M.L. Hile, A.N. Hristov
Publikováno v:
Journal of Dairy Science, Vol 106, Iss 11, Pp 7661-7674 (2023)
ABSTRACT: The objective of this experiment was to investigate the effects of an essential oil (EO) blend on lactational performance, rumen fermentation, nutrient utilization, blood variables, enteric methane emissions and manure greenhouse gas-emitti
Externí odkaz:
https://doaj.org/article/27b82b374c424b72885bdb410a277ab4
Autor:
L.F. Martins, W.V. Silva, N.F. Nascimento, M.P. Melo, B.A. Crispim, A. Barufatti, C.C. Hilbig
Publikováno v:
Arquivo Brasileiro de Medicina Veterinária e Zootecnia, Vol 75, Iss 4, Pp 753-758 (2023)
ABSTRACT L-carnitine perform a major role in transporting long-chain fatty acids into the mitochondria, where they are oxidized. It has been used in animal diets to decrease fat and increase muscle protein. The aim of this study was to evaluate the z
Externí odkaz:
https://doaj.org/article/3cf25df32c25451d820ed8028ffa3a99
Publikováno v:
Journal of Dairy Science, Vol 106, Iss 3, Pp 1746-1756 (2023)
ABSTRACT: Yeast culture and phytonutrients are dietary supplements with distinct modes of action, and they may have additive effects on the performance of dairy cattle. The objective of this study was to investigate the effects of a preparation of ph
Externí odkaz:
https://doaj.org/article/4e79acbc4816470bba015c52ed45f6e2
Autor:
T. Silvestre, S.E. Räisänen, S.F. Cueva, D.E. Wasson, C.F.A. Lage, L.F. Martins, E. Wall, A.N. Hristov
Publikováno v:
Journal of Dairy Science, Vol 105, Iss 12, Pp 9610-9622 (2022)
ABSTRACT: Botanical extracts have a potential to modify ruminal fermentation while enhancing metabolism and immunity in dairy cows. The objective of this study was to investigate the effects of a combination of Capsicum oleoresin and clove essential
Externí odkaz:
https://doaj.org/article/3f5e81a2720e48f68fa5a1ffa79275b7
Autor:
L.F. Martins, J. Oh, M. Harper, A. Melgar, S.E. Räisänen, X. Chen, K. Nedelkov, T.P. Karnezos, A.N. Hristov
Publikováno v:
Journal of Dairy Science, Vol 105, Iss 9, Pp 7344-7353 (2022)
ABSTRACT: The objective of this study was to investigate the effects of an exogenous enzyme preparation from Aspergillus oryzae and Aspergillus niger on lactational performance of dairy cows. Forty-eight Holstein cows (32 primiparous and 16 multiparo
Externí odkaz:
https://doaj.org/article/15e28b94d712441e81b8438a87b0eeaf
Autor:
T. Silvestre, M. Fetter, S.E. Räisänen, C.F.A. Lage, H. Stefenoni, A. Melgar, S.F. Cueva, D.E. Wasson, L.F. Martins, T.P. Karnezos, A.N. Hristov
Publikováno v:
Journal of Dairy Science, Vol 105, Iss 3, Pp 2288-2300 (2022)
ABSTRACT: The objective of this study was to investigate the effects of supplementation of an exogenous enzyme preparation (EEP) on performance, total-tract digestibility of nutrients, plasma AA profile, and milk fatty acids composition in lactating
Externí odkaz:
https://doaj.org/article/6772141bd1b14b35870628fcf258806e
Autor:
L.F. Martins, D.M.B. Prado, G.R. Gomes, A.M. Teixeira, L.N. Oliveira, L.C. Gonçalves, F.S. Oliveira
Publikováno v:
Arquivo Brasileiro de Medicina Veterinária e Zootecnia
RESUMO Avaliou-se o valor nutricional do capim-elefante verde colhido aos 56, 84 e 112 dias de idade, por meio do consumo e da digestibilidade em ovinos, da degradabilidade in situ e da cinética da fermentação ruminal. O capim-elefante colhido aos
Externí odkaz:
https://doaj.org/article/5443d93ac5444bd0ac18024383d724ed