Zobrazeno 1 - 10
of 139
pro vyhledávání: '"J.R.M. Ruas"'
Autor:
T.M.R. Lima, J.R.M. Ruas, V.M. Gomes, V.R. Rocha Júnior, F.P. Monção, C.B. Silva, J.P.S. Rigueira, C.C.S. Carvalho, E.C.J. Sales, L.D.A. Rufino, E.A. Silva, D.S. Queiroz, A.M.S. Alencar
Publikováno v:
Arquivo Brasileiro de Medicina Veterinária e Zootecnia, Vol 73, Iss 2, Pp 477-486 (2021)
ABSTRACT The objective of this study was to evaluate different supplementation strategies concentrated to F1 Holstein x Zebu lactating cows managed in deferred signal grass pasture on the yield and composition of milk and body weight gain. Thirty six
Externí odkaz:
https://doaj.org/article/8ab58268335a47ebaa18e068f8991601
Autor:
L.A. Borges, J.R.M. Ruas, V.R. Rocha Júnior, C.C.S. Carvalho, F.P. Monção, V.M. Gomes, J.P.S. Rigueira, P.G.M. Pinheiro, E.C.J. Sales, L.D.A. Rufino, E.A. Silva, D.S. Queiroz, H.C. Ferreira
Publikováno v:
Arquivo Brasileiro de Medicina Veterinária e Zootecnia, Vol 72, Iss 4, Pp 1545-1554 (2020)
ABSTRACT This study aimed to evaluate the effects of different nutritional plans on the productive, physiological and metabolic parameters of F1 ½ Holstein x ½ Zebu cows in different stages of lactation. Sixty lactating cows were allotted to a comp
Externí odkaz:
https://doaj.org/article/edba22d1e31048fabb157aa337945265
Autor:
P.F. Santana, V.R. Rocha Júnior, F.P. Monção, J.R.M. Ruas, L.A. Borges, J.C.P. Ramos, F.F. Hora, M.C. Oliveira, E.C.J. Sales, C.C.S. Carvalho, M.D. Costa, M.F.P. Silva
Publikováno v:
Arquivo Brasileiro de Medicina Veterinária e Zootecnia, Vol 72, Iss 4, Pp 1469-1478 (2020)
ABSTRACT The objective of this study was to evaluate the different lactation stages of F1 Holstein x Zebu cows on intake and digestibility of nutrients, nitrogen use efficiency, feeding behavior and performance. Thirty-six F1 Holstein × Zebu cows wi
Externí odkaz:
https://doaj.org/article/eac28f7b9f47402c92dd79f2982d045b
Autor:
A.F. Reis, M.D. Costa, J.R.M. Ruas, C.C.S. Carvalho, V.M. Gomes, E.A. Silva, V.R. Rocha Júnior, F.M.F. Chagas
Publikováno v:
Arquivo Brasileiro de Medicina Veterinária e Zootecnia, Vol 72, Iss 4, Pp 1458-1468 (2020)
RESUMO Caracterizaram-se fêmeas F1 Holandês x Zebu de diferentes bases maternas quanto às pelagens, despigmentações e características morfométricas. Foram utilizadas 266 fêmeas F1, progênies do cruzamento de 26 touros da raça Holandesa com
Externí odkaz:
https://doaj.org/article/7767523ee495476db1fa51abbc426db8
Autor:
T.A. Diniz, C.C. S. Carvalho, J.R.M. Ruas, H.P. Santos, F.P. Monção, E.A. Silva, M.D. Costa, V.R. Rocha Júnior
Publikováno v:
Arquivo Brasileiro de Medicina Veterinária e Zootecnia, Vol 72, Iss 2, Pp 545-552 (2020)
RESUMO Avaliou-se a produção de calor corporal de vacas F1 HxZ manejadas em diferentes microclimas. Foram avaliadas 48 vacas, divididas em três grupos, manejadas em pastos e microclimas diferentes. Cada grupo foi subdividido em três grupos de sup
Externí odkaz:
https://doaj.org/article/8355b2791d3b4497a385b6defca91118
Publikováno v:
Arquivo Brasileiro de Medicina Veterinária e Zootecnia, Vol 71, Iss 5, Pp 1677-1685 (2019)
ABSTRACT Forty eight crossbred calves, 24 males and 24 females, with weight and age of 203.6±3.7kg and 11.8±1.0 months were allotted to the following treatments: MT- mineral salt ad libitum and sugar cane mixed with 10g kg-1 mixture of urea and amm
Externí odkaz:
https://doaj.org/article/d425c35dfe6a4a7e8493c5ed9944fa96
Autor:
J.A.M. Lima, J.R.M. Ruas, A.C. Vasconcelos, B.F. Silper, A.M.Q. Lana, V.A. Gheller, H.M. Saturnino, R.B. Reis, S.G. Coelho
Publikováno v:
Animal, Vol 10, Iss 5, Pp 838-846 (2016)
Sixteen cows in early lactation were randomly distributed into two groups in order to evaluate the effects of mammary biopsies and increased milking frequency on tissue characteristics, post-biopsy udder health and histology. One group was milked twi
Externí odkaz:
https://doaj.org/article/df0a4e1d0a154ddebd93c5f38135d340
Autor:
D.P. Faria, M.D. da Costa, F.S.S. Raidan, J.R.M. Ruas, V.R.R. Júnior, F.L.B. Toral, I. Aspiazú
Publikováno v:
Arquivo Brasileiro de Medicina Veterinária e Zootecnia, Vol 66, Iss 6, Pp 1795-1801 (2014)
This study aimed to evaluate the influence of initial weight, initial age, average daily gain in initial weight, average daily gain in total weight and genetic group on the probability of pregnancy in primiparous females of the Nellore, 1/2 Simmental
Externí odkaz:
https://doaj.org/article/a241863aa33a4ac6ba301bade648eee9
Publikováno v:
Arquivo Brasileiro de Medicina Veterinária e Zootecnia, Vol 66, Iss 3, Pp 827-836 (2014)
The purpose of this study was to evaluate feed intake and develop lactation and weight change curves for Holstein x zebu cows under grazing. Eighteen F1 cows were used, divided into three treatments; 6 were Holstein x Gir (HGI), 6 were Holstein x Guz
Externí odkaz:
https://doaj.org/article/61144a6ce2514446b276686d7b8386d8
Autor:
M.D. Santos, R.S. Rodrigues, S.H. Freitas, D.S. Costa, J.R.M. Ruas, E.J. Miranda, M.J. Simões
Publikováno v:
Arquivo Brasileiro de Medicina Veterinária e Zootecnia, Vol 65, Iss 4, Pp 975-980 (2013)
Objetivou-se avaliar o efeito da ingestão de gossipol livre sobre a qualidade espermática e a morfologia dos testículos e dos epidídimos de touros da raça Nelore. Doze touros receberam dieta contendo 3,3g de gossipol livre/touro/dia (caroço de
Externí odkaz:
https://doaj.org/article/fbdd8814827f4603a4bdf600b66c1aae