Zobrazeno 1 - 10
of 20
pro vyhledávání: '"Polyana P. Rotta"'
Autor:
Kellen R. Oliveira, Antônio P.O. Neto, Caio A. Diamantino, Isabela O. Eiterer, Renato D. Araújo, Yamê F.R. Sancler-Silva, Alex L. Silva, Marcio S. Duarte, Polyana P. Rotta
Publikováno v:
Journal of Dairy Science, Vol 106, Iss 10, Pp 6938-6950 (2023)
ABSTRACT: This study aimed to evaluate the effects of differential average daily gain targets of dairy heifers throughout gestation on placental hemodynamics, uterine involution, colostrum production of the heifers, and effects on newborn calf weight
Externí odkaz:
https://doaj.org/article/cfdb57aca1b0499aa074247f728b1c9b
Autor:
Jardeson S. Pinheiro, Lethiane G. Rocha, Dhones R. de Andrade, Polyana P. Rotta, Jaqueline P. Rezende, Ana C.S. Pires, Marcos I. Marcondes
Publikováno v:
Journal of Dairy Science, Vol 105, Iss 11, Pp 9226-9239 (2022)
ABSTRACT: 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 daily variation (d 1 to 4) and alcohol grades (72, 78, and 80%) on UNAM incidence. T
Externí odkaz:
https://doaj.org/article/1ba11624254949e199987e76c063f90b
Autor:
Daiana Francisca Quirino, Marcos Inácio Marcondes, Kellen Ribeiro de Oliveira, Simone Elisa Facioni Guimarães, Juliana Soares da Silva, Garret Suen, Letícia Elisa Rossi, Camila Soares Cunha, Hilario Cuquetto Mantovani, Polyana Pizzi Rotta
Publikováno v:
Frontiers in Microbiology, Vol 15 (2024)
IntroductionThe variation in bacterial communities among breeds has been previously reported and may be one of the reasons why Holstein × Gyr dairy heifers have better development in grazing systems in tropical conditions. This study aimed to explor
Externí odkaz:
https://doaj.org/article/a1019884a5724720959c596d0304b023
Autor:
Marcelo B. Abreu, Camila S. Cunha, João H. C. Costa, Emily K. Miller-Cushon, Polyana P. Rotta, Andreia F. Machado, Valber C. L. Morais, Fernanda H. M. Chizzotti, Marcos I. Marcondes
Publikováno v:
Tropical Animal Health and Production. 54
Autor:
Polyana Pizzi Rotta, Sebastião Campos Valadares Filho, Edenio Detmann, Luiz Fernando Costa e Silva, Faider Alberto Castaño Villadiego, Eusebio Manuel Galindo Burgos, Flávia Adriane Sales Silva
Publikováno v:
Semina: Ciências Agrárias, Vol 34, Iss 5, Pp 2523-2534 (2013)
The objective of this study was to estimate the nutritional requirements of energy and protein in crossbred (Holstein × Zebu) bulls. An experiment of comparative slaughter was conducted with 44 (24 months old) crossbred bulls of 338 ± 39 kg. Bulls
Externí odkaz:
https://doaj.org/article/dfe2f3902d864071a30f1b9ffdf25dcf
Autor:
Luiz Fernando Costa e Silva, Sebastião de Campos Valadares Filho, Diego Zanetti, Polyana Pizzi Rotta, Marcos Inácio Marcondes, Laura Franco Prados, Mário Fonseca Paulino, Henrique de Oliveira Azevedo
Publikováno v:
Revista Brasileira de Zootecnia, Vol 41, Iss 6, Pp 1516-1524 (2012)
The objective of this study was to determine the nutritional requirements of energy and protein and estimate the efficiencies of metabolizable energy utilization for fat and protein deposition, as well as for maintenance (k m) and growth (k g). An ex
Externí odkaz:
https://doaj.org/article/e7829fc285594b2d9a79102201a60cb1
Autor:
Luiz Fernando Costa e Silva, Sebastião de Campos Valadares Filho, Mário Luiz Chizzotti, Polyana Pizzi Rotta, Laura Franco Prados, Rilene Ferreira Diniz Valadares, Diego Zanetti, Jercyane Maria da Silva Braga
Publikováno v:
Revista Brasileira de Zootecnia, Vol 41, Iss 3, Pp 807-810 (2012)
The objective of this study was to estimate the urinary creatinine excretion by the shrunk body weight (SBW). In experiment I, 32 Nellore bulls with initial body weight of 259±24.9 kg and 14±1 months-old were used. The group was divided in four ani
Externí odkaz:
https://doaj.org/article/743115d2d97c414287fc3dab95cefe33
Autor:
Roberto Haruyoshi Ito, Ivanor Nunes do Prado, Polyana Pizzi Rotta, Marival Gustavo de Oliveira, Rodolpho Martin do Prado, José Luiz Moletta
Publikováno v:
Revista Brasileira de Zootecnia, Vol 41, Iss 2, Pp 384-391 (2012)
This experiment was carried out to evaluate the carcass characteristics, chemical composition and fatty acid profile of the longissimus muscle of 32 young bulls from four genetic groups: Caracu; Canchin; Aberdeen Angus × Canchin; and Charolais × Ca
Externí odkaz:
https://doaj.org/article/ab793009972540ff9577e6abce948c6b
Autor:
Marcelo B, Abreu, Camila S, Cunha, João H C, Costa, Emily K, Miller-Cushon, Polyana P, Rotta, Andreia F, Machado, Valber C L, Morais, Fernanda H M, Chizzotti, Marcos I, Marcondes
Publikováno v:
Tropical animal health and production. 54(2)
This study aimed to investigate the difference between Holstein and Holstein × Gyr breeds on feeding behavior and performance of heifers grazing temperate pasture. The experiment was carried out in 89 days, split into 14 days of adaptation, and 3 pe
Autor:
Liandra Maria Abaker Bertipaglia, Robério Rodrigues Silva, Rodolpho Martin do Prado, Polyana Pizzi Rotta, Maribel Velandia Valero, Ivanor Nunes do Prado, Paulo Henrique Moura Dian
Publikováno v:
Semina: Ciências Agrárias, Vol 31, Iss 2, Pp 497-506 (2010)
This work was carried out to study the effects of replacing corn by different levels of cassava starch (0; 12.5; 22.8 and 32.7%) on performance and carcass characteristics of bulls finished in feedlot. Thirtytwo crossbred bulls (½ Aberdeen Angus vs.
Externí odkaz:
https://doaj.org/article/53c7fdaa34f24a4da3731abe667ddc92