Zobrazeno 1 - 10
of 11
pro vyhledávání: '"Guillermo Ortiz-Colón"'
Autor:
Guillermo Ortiz-Colón
Publikováno v:
Cases on Managing Dairy Productive Chains ISBN: 9781668454725
One of the greatest challenges of dairying in tropical regions of the world is heat stress. Upon the uncertain effects of climate change might have in dairy cattle productivity in the tropics, intrinsic advantages exhibited by heat tolerant breeds, i
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0e0e10a0186215bafa64801d46bfd743
https://doi.org/10.4018/978-1-6684-5472-5.ch005
https://doi.org/10.4018/978-1-6684-5472-5.ch005
Autor:
Lorraine López-Soberal, Aníbal Ruiz-Lugo, Melvin Pagán-Morales, Esbal Jiménez-Cabán, Guillermo Ortiz-Colón
Publikováno v:
Archivos Latinoamericanos de Producción Animal. 30:35-41
The efficacy of the anthelmintic albendazole (ALB), doramectin (DOR) and ivermectin (IVM) were evaluated in Holstein and Holstein crossbreed dairy heifers using the fecal egg count reduction test (FECRT). Dairy heifers (n=420; ~6 months of age; BW =
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4f960d2fb5f6a624d0216c72e05d2633
https://doi.org/10.53588/alpa.300105
https://doi.org/10.53588/alpa.300105
Publikováno v:
The Journal of Agriculture of the University of Puerto Rico. 105:23-37
The effect of supplementation with Aspergillus oryzae and A. niger fermentation products and digestive enzymes on weight gain, growth, and health of Holstein (n=11) and Jersey (n=9) calves was evaluated. All calves, individually housed, were fed unpa
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::099193b9c4e0245c5763a72aa57f520e
https://doi.org/10.46429/jaupr.v105i1.19633
https://doi.org/10.46429/jaupr.v105i1.19633
Autor:
J. Curbelo-Rodríguez, Rafael López-López, Natalia Rosa-Padilla, Bianca P Ortiz-Uriarte, Guillermo Ortiz-Colón, Verónica M Negrón-Pérez
Publikováno v:
Archivos Latinoamericanos de Producción Animal. 28:145-153
espanolEl estres por calor es un reto para la produccion de leche en la mayor parte del mundo. El ganado Criollo puertorriqueno es portador del gen Slick (SL) que resulta en un pelo corto lustroso que le otorga mejor tolerancia al calor, lo que los h
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5e88cd59554dbe1ed26d411f1bef918b
https://doi.org/10.53588/alpa283409
https://doi.org/10.53588/alpa283409
Autor:
Yomar Vélez-Robles, Chris Rijos-Fernández, Esbal Jiménez-Cabán, Marcela G. Marrero, Héctor L. Sánchez-Rodríguez, J. Curbelo-Rodríguez, Guillermo Ortiz-Colón
Publikováno v:
Applied Animal Science. 36:329-334
Objective Our objective was to determine whether the infrared temperature of short-milking-tubes, as an estimator of milk temperature, differs between subclinically mastitic quarters with or without the presence of mastitis pathogens. Materials and M
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bb278387e048bff7c0491a9ba80a518b
https://doi.org/10.15232/aas.2019-01939
https://doi.org/10.15232/aas.2019-01939
Autor:
Guillermo Ortiz-Colón, Joan M Patiño-Chaparro, Héctor L. Sánchez-Rodríguez, Lourdes E López-Nieves, Melvin Pagán-Morales, Verónica M Negrón-Pérez
Publikováno v:
J Anim Sci
Preliminary studies have reported that wild type-haired (WT) Holstein cattle have greater productive potential at a genomic level than their slick-haired (SL) counterpart. The objective of the present study was to evaluate, through a panel of commerc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d9a1738fa582af4e49edeaa934800ab3
https://europepmc.org/articles/PMC7702812/
https://europepmc.org/articles/PMC7702812/
Autor:
Isabel K. Parés, J. Curbelo-Rodríguez, Guillermo Ortiz-Colón, Stephen J. Fain, William A. Gould, Esbal Jiménez-Cabán, Melvin Pagán-Morales
Publikováno v:
Climatic Change. 146:47-58
Cattle ranchers and dairy farmers operating throughout many tropical regions are experiencing major challenges associated with climate change such as higher incidence of heat stress and drought. These effects can result in reduced productivity of ran
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ade6d55c8363cb2b6d6c5298e28897ee
https://doi.org/10.1007/s10584-017-2110-1
https://doi.org/10.1007/s10584-017-2110-1
In the tropics, dairy cattle are exposed to chronic heat stress, which affect dry matter intake (DMI), milk yield (MY), and feed efficiency (FE). Our objective was to evaluate FE between Holstein and Jersey dairy cows in tropical conditions. Eight Ho
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ad3f620f58afe1ef7f150d972750487e
https://europepmc.org/articles/PMC6284993/
https://europepmc.org/articles/PMC6284993/
Publikováno v:
The Journal of Agriculture of the University of Puerto Rico. 99:117-124
La resistencia antihelmíntica de ivermectina (IVM) en Cooperia spp. de novillas lecheras de Puerto Rico se evaluó mediante el ensayo de inhibición de la migración de larvas (LMIA, por sus siglas en inglés). La tercera etapa larval (L3) se recupe
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9b3c283c723df9fb5b3df1f2f462ecc1
https://doi.org/10.46429/jaupr.v99i2.3027
https://doi.org/10.46429/jaupr.v99i2.3027
Autor:
J. Curbelo-Rodríguez, Guillermo Ortiz-Colón, Héctor L. Sánchez-Rodríguez, Amaris Guzmán-Rivera, Esbal Jiménez-Cabán
Publikováno v:
The Journal of Agriculture of the University of Puerto Rico. 99:125-134
La endometritis es una de las causas asociadas con baja eficiencia reproductiva en el ganado lechero. Se determinó la prevalencia de endometritis subclínica (ES) en tres hatos lecheros de Puerto Rico en dos épocas del año (calurosa y fresca). La
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::209d94b13938e4dbccbb0801ff4d9cdb
https://doi.org/10.46429/jaupr.v99i2.3028
https://doi.org/10.46429/jaupr.v99i2.3028