Zobrazeno 1 - 10
of 85
pro vyhledávání: '"Polyana Pizzi Rotta"'
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
Publikováno v:
Frontiers in Veterinary Science, Vol 10 (2023)
Externí odkaz:
https://doaj.org/article/8f0964fd399142b1b131181e264f712a
Autor:
Anna Luiza Lacerda Sguizzato, Marcos Inácio Marcondes, Jan Dijkstra, Sebastião de Campos Valadares Filho, Mariana Magalhães Campos, Fernanda Samarini Machado, Breno Castro Silva, Polyana Pizzi Rotta
Publikováno v:
PLoS ONE, Vol 15, Iss 7, p e0235619 (2020)
This study aimed to estimate energy requirements of pregnant Holstein × Gyr cows. Different planes of nutrition were established by two feeding regimens: ad libitum or maintenance. Sixty-two nonlactating cows with average body weight of 480 ± 10.1
Externí odkaz:
https://doaj.org/article/00c224e41a244c9eb613f82e88b947b5
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:
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
Autor:
Robério Rodrigues Silva, Ivanor Nunes do Prado, Maribel Velandia Valero, Polyana Pizzi Rotta, Ivor Martin do Prado, Juliana Martin do Prado, Taciana Ducatti, Roberto Haruyoshi Ito
Publikováno v:
Semina: Ciências Agrárias, Vol 31, Iss 1, Pp 259-268 (2010)
This experiment was carried out to study soybean oil and linseed as feeding alternatives to improve the animal performance and the carcass characteristics of crossbred bulls finished in feedlot for 105 days. There were used 21 bulls with 18 months ol
Externí odkaz:
https://doaj.org/article/f2902b5bf7104a95ab2143b96cff893e
Autor:
Ivanor Nunes do Prado, Roberto Haruyoshi Ito, Fernando Zawadzki, Polyana Pizzi Rotta, Jair de Araújo Marques, Daniele Maggioni
Publikováno v:
Semina: Ciências Agrárias, Vol 30, Iss 4, Pp 963-974 (2009)
The vast majority of livestock are fed ad libitum, with free access to feed during most of the time. In order to achieve efficient production, it is necessary to raise levels of voluntary feed intake – in general, the more the animal eats, the more
Externí odkaz:
https://doaj.org/article/f2837e4786d3440f839b00a22b386662