Zobrazeno 1 - 10
of 119
pro vyhledávání: '"Randy D. Shaver"'
Autor:
Ahmadreza Mirzaei, Victoria R. Merenda, Luiz F. Ferraretto, Randy D. Shaver, Francisco Peñagaricano, Ricardo C. Chebel
Publikováno v:
JDS Communications, Vol 4, Iss 3, Pp 205-209 (2023)
The aim of the current study was to determine individual animal variability in rumination, activity, and lying behavior during the periparturient period within the context of dairy cattle nutrition, social, and physical environment. Holstein animals
Externí odkaz:
https://doaj.org/article/66fc020335c842ed9d94a4e98da9b184
Autor:
Mateus Z. Toledo, Matias L. Stangaferro, Rafael Caputo Oliveira, Pedro L.J. Monteiro, Jr., Rodrigo S. Gennari, Daniel Luchini, Randy D. Shaver, Julio O. Giordano, Milo C. Wiltbank
Publikováno v:
Journal of Dairy Science, Vol 106, Iss 3, Pp 2137-2152 (2023)
ABSTRACT: Study objectives were to evaluate the effects of feeding rumen-protected Met (RPM) in pre- and postpartum total mixed rations (TMR) on health disorders and the interactions of health disorders with lactation and reproductive performance. Mu
Externí odkaz:
https://doaj.org/article/c289b5dc31e0448899759f9745e382fb
Publikováno v:
Journal of Dairy Science, Vol 105, Iss 3, Pp 2708-2717 (2022)
ABSTRACT: Each cow in a group has different nutritional requirements even if the group is formed by cows of similar age, number of lactations, and lactation stage. Common dairy farm management setup does not support formulating a diet that accurately
Externí odkaz:
https://doaj.org/article/cbb3db175aff4464a721a1fb091d0d05
Autor:
G.E. Granados, E.M. Sitko, Michael E. Van Amburgh, M. Masello, Martin M. Perez, Milo C. Wiltbank, Alexandre B. Prata, Mateus Z. Toledo, Caio A Gamarra, Julio O. Giordano, M.L. Stangaferro, Randy D. Shaver, D. Luchini, Rodrigo S. Gennari, Pedro L.J. Monteiro
Publikováno v:
Journal of Dairy Science. 104:11210-11225
Our primary objective was to evaluate the effect of feeding rumen-protected Met (RPM) in the pre- and postpartum total mixed ration (TMR) on pregnancy per artificial insemination (AI) and pregnancy loss in multiparous Holstein cows. We also evaluated
Autor:
Mateus Z Toledo, Giovanni M Baez, Alvaro Garcia-Guerra, Nelson E Lobos, Jerry N Guenther, Eduardo Trevisol, Daniel Luchini, Randy D Shaver, Milo C Wiltbank
Publikováno v:
PLoS ONE, Vol 12, Iss 12, p e0189117 (2017)
The objectives of this study were to evaluate the effects of daily top-dressing (individually feeding on the top of the total mixed ration) with rumen-protected methionine (RPM) from 30 ± 3 until 126 ± 3 Days in milk on productive and reproductive
Externí odkaz:
https://doaj.org/article/f5f675c9b7874bba88d91ed2fca331c3
Autor:
J.P. Goeser, Randy D. Shaver
Publikováno v:
Applied Animal Science. 36:610-614
Objective Commercial dry and ground shelled corn is not a uniform feed. Geometric mean particle size (GMPS; μm) has been related to rumen digestibility, but researchers have specifically sourced or created varied particle size to assess relationship
Publikováno v:
Applied Animal Science. 36:480-488
Objective Corn silage processing score (CSPS) is a well-known and often-used indicator of starch availability in whole-plant corn silage. However, obtaining results from a laboratory can take days or more. The objective of this work was to test an im
Publikováno v:
Journal of dairy science. 105(3)
Each cow in a group has different nutritional requirements even if the group is formed by cows of similar age, number of lactations, and lactation stage. Common dairy farm management setup does not support formulating a diet that accurately matches i
Autor:
Francisco Peñagaricano, Alex H Souza, Paulo D Carvalho, Ashley M Driver, Rocio Gambra, Jenna Kropp, Katherine S Hackbart, Daniel Luchini, Randy D Shaver, Milo C Wiltbank, Hasan Khatib
Publikováno v:
PLoS ONE, Vol 8, Iss 8, p e72302 (2013)
Maternal nutrition exclusively during the periconceptional period can induce remarkable effects on both oocyte maturation and early embryo development, which in turn can have lifelong consequences. The objective of this study was to evaluate the effe
Externí odkaz:
https://doaj.org/article/976c8a25b92045e791aa2f22510a787e
Autor:
Mateus Z. Toledo, Rodrigo S. Gennari, G.E. Granados, R. Wijma, E.M. Sitko, M.L. Stangaferro, Michael E. Van Amburgh, D. Luchini, Rafael Villela Barletta, Milo C. Wiltbank, Martin M. Perez, M. Masello, Randy D. Shaver, Julio O. Giordano
Publikováno v:
Journal of dairy science. 104(7)
Objectives were to evaluate the effect of feeding rumen-protected methionine (RPM) in pre- and postpartum total mix ration (TMR) on lactation performance and plasma AA concentrations in dairy cows. A total of 470 multiparous Holstein cows [235 cows a