Zobrazeno 1 - 10
of 21
pro vyhledávání: '"Leonel Avendaño-Reyes"'
Autor:
Ulises Macías-Cruz, Leonel Avendaño-Reyes, N Treviño, Jose E. García, Miguel Mellado, Francisco G. Véliz, A. de Santiago
Publikováno v:
Tropical Animal Health and Production. 53
This study aimed to determine whether cows detected as tuberculosis (bTB) reactors and seropositive to brucellosis (bBR), as well as co-positive to bBR and bTB (bBR-bTB) and with a complete lactation before slaughter, were associated with reduced mil
Autor:
Leonel Avendaño-Reyes, Elizabeth Pérez, Manuel Guillén, Miguel Mellado, Juan L Morales, Jose E. García, Ulises Macías-Cruz
Publikováno v:
Tropical Animal Health and Production. 53
Tuberculosis remains a significant infectious disease of farm animals and humans worldwide. The objective of this study was to assess various risk factors associated with testing positive for bovine tuberculosis (bTB) in high-yielding Holstein cows i
Autor:
E. García, Miguel Mellado, Leonel Avendaño-Reyes, Francisco G. Véliz, E. Saavedra, Leticia Gaytán, Ulises Macías-Cruz
Publikováno v:
Livestock Science. 217:8-14
The objective of this observational prospective study was to evaluate the association between lameness (caused by five groups hoof lesions) milk yield and reproductive performance in primiparous lactating Holstein cows housed in open-lot, dirt (dry)
Autor:
Cesar A. Meza-Herrera, Leonel Avendaño-Reyes, Miguel Mellado, Porfirio Nicolás-López, Abelardo Correa-Calderón, Ulises Macías-Cruz
Publikováno v:
International journal of biometeorology. 65(8)
The aim of this study was to evaluate the effect of seasonal heat stress (HS) on productive performance, physiological responses, metabolism, and hematological profile of hair breed male lambs finished in feedlot. Twenty Dorper × Katahdin male lambs
Autor:
Cesar A. Meza-Herrera, Ulises Macías-Cruz, Miguel Mellado, Leonel Avendaño-Reyes, Abelardo Correa-Calderón, Jazmín C. Stevens
Publikováno v:
Journal of Thermal Biology. 75:7-12
Nutritional requirements of sheep during late gestation increase as a consequence of high fetal growth, mammary tissue development and colostrum synthesis. While prepartum energy supplementation is a nutritional strategy to improve lamb postnatal per
Autor:
Jesús Mellado, Ulises Macías Cruz, José E. García, Omar Nájera, Leonel Avendaño Reyes, A. Rodríguez, Miguel Mellado Bosque, Cesar A. Meza Herrera
Publikováno v:
Spanish Journal of Agricultural Research; Vol. 19 No. 3 (2021); e0402
Spanish Journal of Agricultural Research; Vol. 19 Núm. 3 (2021); e0402
SJAR. Spanish Journal of Agricultural Research
instname
Spanish Journal of Agricultural Research; Vol 19, No 3 (2021); e0402
Spanish Journal of Agricultural Research, Vol 19, Iss 3 (2021)
Spanish Journal of Agricultural Research; Vol. 19 Núm. 3 (2021); e0402
SJAR. Spanish Journal of Agricultural Research
instname
Spanish Journal of Agricultural Research; Vol 19, No 3 (2021); e0402
Spanish Journal of Agricultural Research, Vol 19, Iss 3 (2021)
Aim of the study: To investigate vaccination programs, parity, and calving season as factors affecting the risk of abortion and mummified fetuses in Holstein cows.Area of study: Hot zone of Northeast Mexico.Material and methods: Multiple logistic reg
Autor:
Cesar A. Meza-Herrera, Leonel Avendaño-Reyes, Miguel Mellado, Ulises Macías-Cruz, Abelardo Correa-Calderón, Ricardo Vicente-Pérez
Publikováno v:
Livestock Science. 205:64-69
The aim of this study was to determine the effects of nutritional restriction pre- and post-mating on serum concentrations of some metabolites and progesterone after the conception, as well as on the reproductive performance of crossbred hair ewes su
Autor:
José E. García, Ulises Macías-Cruz, Leticia Gaytán, Leonel Avendaño-Reyes, Francisco G. Véliz, Miguel Mellado, A. Rodríguez
Publikováno v:
Spanish Journal of Agricultural Research, Vol 17, Iss 2, Pp e0404-e0404 (2019)
Spanish Journal of Agricultural Research; Vol 17, No 2 (2019); e0404
Spanish Journal of Agricultural Research; Vol. 17 No. 2 (2019); e0404
Spanish Journal of Agricultural Research; Vol. 17 Núm. 2 (2019); e0404
SJAR. Spanish Journal of Agricultural Research
instname
Spanish Journal of Agricultural Research; Vol 17, No 2 (2019); e0404
Spanish Journal of Agricultural Research; Vol. 17 No. 2 (2019); e0404
Spanish Journal of Agricultural Research; Vol. 17 Núm. 2 (2019); e0404
SJAR. Spanish Journal of Agricultural Research
instname
The objective of this study was to assess various risk factors affecting fetal losses in high-yielding Holstein cows in a hot environment. In a retrospective observational study, 14,384 records from Holstein cows from a large highly technified dairy
Autor:
A. de Santiago, Jack Flores, Miguel Mellado, Leonel Avendaño-Reyes, Ulises Macías-Cruz, Jose E. García, Francisco G. Véliz
Publikováno v:
Livestock Science. 189:50-55
Two data files consisting of 3278 (one herd) and 4393 lactations (three herds) were used to characterize milk production of high-yielding Holstein cows milked three times per day and experiencing extended lactations (up to 1399 days) in a hot environ
Autor:
Raúl Díaz-Molina, Abelardo Correa-Calderón, Rolando Pérez-Velázquez, Ulises Macías-Cruz, Leonel Avendaño-Reyes, Fernando Rivera-Acuña
Publikováno v:
Animal Science Journal. 87:745-749
To investigate the effects of progesterone supplementation at two different times on serum progesterone (P4 ) concentration, conception rate and resynchronization of cooled Holstein heifers in summer, 90 heifers were randomly assigned to two groups: