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Abstract

Recipient cow is the key to success in embryo transfer (ET) programs in cattle. Therefore, it is necessary to know the factors that influence on its reproductive potential. It is considered that multiparous cows have a better response to the ET program than nulliparous cows. The objective of this...

Author(s)
García y González, E. C.; Medel, G. M.; Pineda Burgos, B. C.; Romero Rodríguez, P. I.; Hernández Ruiz, P. E.; Vicente Pérez, R.; Valencia Franco, E.; Ponce, J. L.
Publisher
Instituto de Ciencia Animal, La Habana, Cuba
Citation
Cuban Journal of Agricultural Science, 2019, 53, 2, pp unpaginated
AbstractFull Text

The objective of the study was to compare the effect of disinfection/cleaning of CIDR devices on serum progesterone concentrations (P4) in Suizo x Cebú cows, which received during eight days a new intra-vaginal device (CIDR; T1), used device, sterilized by autoclave (T2) or a used device,...

Author(s)
Cuicas-Huerta, R.; Aké-López, R.; Estrada-Paqui, E.; Gómez-Vargas, J. C.; Guadarrama-Trujillo, V.; Montiel-Palacios, F.; Muñoz-García, C.; Segura-Correa, J.
Publisher
Sergio Martínez González, Tepic, Mexico
Citation
Abanico Veterinario, 2018, 8, 2, pp 24-32
Abstract

The aim of this study was to evaluate the adoption of technologies and organizational practices in the areas of Management, Feeding and Reproduction in dual-purpose cattle of the Mexican tropic territory. This study gathered a sample of 1650 farms of small size. The farms were divided in categories ...

Author(s)
Rangel, J.; Espinosa, J. A.; Pablos-Heredero, C. de; Barba, C.; Velez, A.; Rivas, J.; García, A.
Publisher
Facultad de Ciencias Veterinarias, Universidad del Zulia, Maracaibo, Venezuela
Citation
Revista Cientifica, Facultad de Ciencias Veterinarias, Universidad del Zulia, 2017, 27, 1, pp 44-55
Abstract

Breeding records, including 649 inseminations during fall and winter at a dairy farm in a subtropical area of Western Mexico (24°N; 24°C, mean annual temperature 24°C) were analyzed to document effects of sex-sorted semen from commercial Gyr bulls, estrus synchronization protocol, inseminator, sire ...

Author(s)
Mellado, M.; Coronel, F.; Estrada, A.; Ríos, F. G.
Publisher
Springer, Amsterdam, The Netherlands
Citation
Tropical Animal Health and Production, 2010, 42, 7, pp 1493-1496
Abstract

The objective of this study was to determine if the technique of embryo transfer in cattle can be commercially feasible in a region situated in the humid tropics of Mexico. Twenty-six Bos taurus and twenty-six Bos indicus cows were estrous synchronized and superovulated to obtain a total of 80...

Author(s)
Alarcón, M. A.; Galina, C. S.; Corro, M. D.; Asprón, M. A.
Publisher
Springer, Amsterdam, The Netherlands
Citation
Tropical Animal Health and Production, 2010, 42, 6, pp 1135-1141
Abstract

The aim was to study postpartum follicular population dynamics in Brahman cows in the Mexican humid tropics and under different stocking rates. Lactating adult cows (n=104) grazed native grammas (Paspalum spp., Axonopus spp.) under two stocking rates: 2.8 (high) or 1.7 (low) cows/ha. Follicle...

Author(s)
Rubio, I.; Castillo, E.; Soto, R.; Alarcón, F.; Murcia, C.; Galina, C. S.
Publisher
Springer, Dordrecht, The Netherlands
Citation
Tropical Animal Health and Production, 2010, 42, 3, pp 539-545
Abstract

The reproductive performance of cattle in the tropical conditions of Mexico was analysed. It was shown that sexual maturity is reached at an average age of 17 months, age at first service is from 24 months and age at first calving is at 35 months. In mature cows, the first oestrus after calving...

Author(s)
Córdova Izquierdo, A.; Pérez Gutiérrez, J. F.
Publisher
Pulso Ediciones S.O., Barcelona, Spain
Citation
Medicina Veterinaria, 2002, 19, 3, pp 47-56
Abstract

24 heifers were treated with 25 mg of PGF2α intramuscularly. Eleven days later, 12 of these heifers (group 1) were fitted with a controlled internal drug-releasing device (CIDR; with corpus luteum) filled with progesterone. The rest of the heifers (n=12) were fitted with a progesterone-filled CIDR...

Author(s)
Lugo León, S.; Hernández Cerón, J.; López León, L.
Citation
Veterinaria México, 1999, 30, 1, pp 95-98
Abstract

An experiment was carried out at the Faculty of Veterinary Medicine and Animal Production of the University of Yucatán to evaluate the effect of temporary weaning of the calves on the reproductive performance of crossbred Brown Swiss/Zebua cows. The cows (n=21) were assigned to the following...

Author(s)
Segura-Correa, V. M.; Anderson, S.; Delgado-León R., R.; Segura-Correa, J. C.
Publisher
CIPAV Foundation, Cali, Colombia
Citation
Livestock Research for Rural Development, 2001, 13, 1, pp 1-9
Abstract

In 1996 in Mexico State (Mexico), 120 cycling cows were equally divided among 3 pens. Nine cows were induced to display oestrus with norgestomet implants, oestradiol valerate and GnRH on each of the first 3 days of the experiment. On the 1st day, 1 cow in pen 1, 5 in pen 2, and 3 in pen 3 displayed ...

Author(s)
López, L.; Galina, C. S.; Orihuela, A.
Citation
Tropical Agriculture, 1998, 75, 3, pp 405-408

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