Search Results - "Rotta, P. P."

Effect of selected feed additives to improve growth and health of dairy calves by Salazar, Luisa F L, Nero, Luis A, Campos-Galvão, Maria E M, Cortinhas, Cristina S, Acedo, Tiago S, Tamassia, Luis F M, Busato, Karina C, Morais, Válber C, Rotta, Polyana P, Silva, Alex L, Marcondes, Marcos I

“…The aim was to evaluate the effect of different feed additives on intake, performance, and fecal consistency index (FCI) of dairy calves from 6-60 d of age and…”
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Unveiling unstable non-acid incidence in Holstein cows fed with corn silage or sugarcane by Pinheiro, Jardeson S., Rocha, Lethiane G., de Andrade, Dhones R., Rotta, Polyana P., Rezende, Jaqueline P., Pires, Ana C.S., Marcondes, Marcos I.

“…We aimed to evaluate the incidence of unstable non-acid milk (UNAM) in cows fed either sugarcane or corn silage. Second, we aimed to evaluate the effect of…”
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Differential average daily gain of pregnant Holstein × Gyr dairy heifers causes placental adaptations to support fetal growth and development by Oliveira, Kellen R., Neto, Antônio P.O., Diamantino, Caio A., Eiterer, Isabela O., Araújo, Renato D., Sancler-Silva, Yamê F.R., Silva, Alex L., Duarte, Marcio S., Rotta, Polyana P.

“…This study aimed to evaluate the effects of differential average daily gain targets of dairy heifers throughout gestation on placental hemodynamics, uterine…”
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Supplementation strategies affect the feed intake and performance of grazing replacement heifers by Machado, Wagner S, Brandao, Virginia L N, Morais, Valber C L, Detmann, Edenio, Rotta, Polyana P, Marcondes, Marcos I

“…The literature lacks studies investigating the performance of supplemented replacement heifers grazing on intensively managed warm-season pasture. Our…”
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Protein requirements for pregnant dairy cows by Marcondes, M I, Provazi, F P, Silvestre, T, Silva, A L, Valadares Filho, S C, Campos, M M, Machado, F S, Rotta, P P

“…We aimed to estimate the protein requirements of pregnant Holstein × Gyr cows. A total of 61 Holstein × Gyr (HG) cows were used, with an average initial body…”
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Does a reduction in dietary crude protein content affect performance, nutrient requirements, nitrogen losses, and methane emissions in finishing Nellore bulls? by Menezes, A.C.B., Valadares Filho, S.C., Costa e Silva, L.F., Pacheco, M.V.C., Pereira, J.M.V., Rotta, P.P., Zanetti, D., Detmann, E., Silva, F.A.S., Godoi, L.A., Rennó, L.N.

“…•Reducing crude protein level in diet did not affect intake and nutrient digestibility.•Carcass characteristics were not affected when increasing crude protein…”
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Effect of maternal nutrition and days of gestation on pituitary gland and gonadal gene expression in cattle by Weller, M M D C A, Fortes, M R S, Marcondes, M I, Rotta, P P, Gionbeli, T R S, Valadares Filho, S C, Campos, M M, Silva, F F, Silva, W, Moore, S, Guimarães, S E F

“…This study investigated effects of maternal overnutrition on gonadal development and pituitary-gonadal gene expression in cattle fetuses at mid- and…”
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Digesta sampling sites and marker methods for estimation of ruminal outflow in bulls fed different proportions of corn silage or sugarcane by Rotta, P P, Valadares Filho, S C, Detmann, E, Costa e Silva, L F, Paulino, M F, Marcondes, M I, Lobo, A A G, Villadiego, F A C

“…The objective of this experiment was to assess ruminal outflow and apparent total-tract digestibility using digesta samples from 3 sites (reticulum, omasum,…”
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Intake, performance, and feeding behavior of Holstein and Holstein × Gyr heifers grazing intensively managed tropical grasses during the rainy season by Quirino, D.F., Marcondes, M.I., Rennó, L.N., Correa, P.V.F., Morais, V.C.L., Cunha, C.S., Silva, T.D.A., da Silva, A.L., Miller-Cushon, E., Rotta, P.P.

“…•Due to climatic factors, heifers’ ingestive behavior might be impaired in the tropics.•Holstein × Gyr and Holstein heifers were evaluated under the same…”
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Influence of Parity on the Colostrum Bacterial Community Composition in Holstein Cows by Silva, J. S., Lopes, D. R. G., Moreira, S. M., Veloso, T. G. R., Bento, C. B. P., Rotta, P. P., Mantovani, H. C.

“…The colostrum bacteriome of primiparous (P) and multiparous (M) Holstein cows was analysed by 16S rRNA sequencing. The species richness (Chao 1), diversity…”
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Energy and protein requirements of Holstein × Gyr crossbred heifers by Castro, M. M. D., Albino, R. L., Rodrigues, J. P. P., Sguizzato, A. L. L., Santos, M. M. F., Rotta, P. P., Caton, J. S., Moraes, L. E. F. D., Silva, F. F., Marcondes, M. I.

“…Nutrient requirements in cattle are dependent on physiological stage, breed and environmental conditions. In Holstein × Gyr crossbred dairy heifers, the lack…”
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Performance and feeding behavior of Holstein and Holstein × Gyr crossbred heifers grazing temperate forages by Abreu, Marcelo B., Cunha, Camila S., Costa, João H. C., Miller-Cushon, Emily K., Rotta, Polyana P., Machado, Andreia F., Morais, Valber C. L., Chizzotti, Fernanda H. M., Marcondes, Marcos I.

“…This study aimed to investigate the difference between Holstein and Holstein × Gyr breeds on feeding behavior and performance of heifers grazing temperate…”
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Does microbial nitrogen contamination affect the estimation of crude protein degradability of concentrate feeds? by Menezes, A C B, Filho, S C Valadares, Rotta, P P, Santos, S A, Pacheco, M V C, Silva, B C, Pucetti, P, Alhadas, H M, Detmann, E, Caton, J S

“…The effects of microbial contamination (MC) on CP degradability of concentrate feeds are still controversial. Therefore, the aim of this study was to use N to…”
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Effects of day of gestation and feeding regimen in Holstein × Gyr cows: I. Apparent total-tract digestibility, nitrogen balance, and fat deposition by Rotta, P P, Filho, S C Valadares, Gionbelli, T R S, Costa E Silva, L F, Engle, T E, Marcondes, M I, Machado, F S, Villadiego, F A C, Silva, L H R

“…This study investigated how feeding regimen (FR) alters apparent total-tract digestibility, performance, N balance, excretion of purine derivatives, and fat…”
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Foetal development of skeletal muscle in bovines as a function of maternal nutrition, foetal sex and gestational age by Gionbelli, T. R. S., Veloso, C. M., Rotta, P. P., Valadares Filho, S. C., C. Carvalho, B., Marcondes, M. I., S. Cunha, C., Novaes, M. A. S., Prezotto, L. D., Duarte, M. S., Gionbelli, M. P.

“…Summary To determine the effects of maternal nutrition on modifications of foetal development of the skeletal muscle and possible increase in the potential of…”
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The impact of dietary sugarcane addition to finishing diets on performance, apparent digestibility, and fatty acid composition of Holstein × Zebu bulls by Rotta, P P, Filho, S C Valadares, Engle, T E, Costa E Silva, L F, Sathler, D F T, Prado, I N, Bonafé, E G, Zawadzki, F, Visentainer, J V

“…The objective of this study was to evaluate the influence of corn silage (CS) or sugarcane (SC) additions to finishing diets on voluntary intake, apparent…”
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Effects of day of gestation and feeding regimen in Holstein × Gyr cows: II. Maternal and fetal visceral organ mass by Rotta, P P, Filho, S C Valadares, Gionbelli, T R S, Costa E Silva, L F, Engle, T E, Marcondes, M I, Campos, M M, Menezes, A C B, Lobo, A A G

“…This study investigated the influence of day of gestation (DG) and feeding regimens (FR) on maternal and fetal visceral organ mass in Holstein × Gyr cows…”
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Effects of day of gestation and feeding regimen in Holstein × Gyr cows: III. Placental adaptations and placentome gene expression by Rotta, P P, Valadares Filho, S C, Gionbelli, T R S, Costa E Silva, L F, Engle, T E, Marcondes, M I, Guimarães, S E F, Nascimento, C S, Carvalho, B C, Silva, F A S, Oliveira, J R S

“…This study investigated the influence of day of gestation (DG) and feeding regimens (FR) on the expression of genes responsible for placenta development,…”
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Energy and protein requirements for growth of Holstein × Gyr heifers by Silva, F. A. S., Valadares Filho, S. C., Rennó, L. N., Zanetti, D., Costa e Silva, L. F., Godoi, L. A., Vieira, J. M. P., Menezes, A. C. B., Pucetti, P., Rotta, P. P.

“…Summary There is little information regarding the nutritional requirements for dairy heifers, leading the majority of nutrient requirement systems to consider…”
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Intestinal development of bovine foetuses during gestation is affected by foetal sex and maternal nutrition by Gionbelli, T. R. S., Rotta, P. P., Veloso, C. M., Valadares Filho, S. C., Carvalho, B. C., Marcondes, M. I., Ferreira, M. F. L., Souza, J. V. F., Santos, J. S. A. A., Lacerda, L. C., Duarte, M. S., Gionbelli, M. P.

“…Summary We aimed to evaluate the effects of maternal nutrition (MN) and foetal sex on the intestinal development of bovine foetuses throughout different days…”
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