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Abstract

Background: Genetic variability of populations is essential for their genetic conservation and improvement, and genealogy analysis is a useful tool to estimate it. Objective: To determine genetic variability and inbreeding levels in Tropical Milking Criollo (LT). Methods: This study analyzed the...

Author(s)
Ponce, A. R.; Palacios Jiménez, A. L.; Rosales Martínez, F.; Torres Hernández, G.; Ramírez Valverde, R.; Becerril Pérez, C. M.
Publisher
Universidad de Antioquia, Medellín, Colombia
Citation
Revista Colombiana de Ciencias Pecuarias, 2018, 31, 3, pp 196-203
Abstract

Reproductive biotechnologies are used for the conservation, expansion and genetic improvement of cattle, and to facilitate the creation of germplasm banks of elite animals and endangered breeds. The objective of this study was to compare the effects of two different doses of follicle stimulating...

Author(s)
Rosales-Martínez, F.; Rosendo-Ponce, A.; Canseco-Sedano, R.; Cortez-Romero, C.; Torres-Hernández, G.; Becerril-Pérez, C. M.
Publisher
Facultad de Ciencias Veterinarias, Universidad del Zulia, Maracaibo, Venezuela
Citation
Revista Cientifica, Facultad de Ciencias Veterinarias, Universidad del Zulia, 2018, 28, 2, pp 146-152
AbstractFull Text

The objective of this study was to estimate the genotype and allele frequencies of the variants A1 and A2 of the β-casein and determine their relationship with milk production per lactation (PL305) in the Tropical Milking Criollo bovine (CLT). Blood samples were collected from 151 females; from DNA ...

Author(s)
Duifhuis Rivera, T.; Ayala Valdovinos, M. A.; Alonso Morales, R. A.; Gayosso Vázquez, A.; Rosendo Ponce, A.; Becerril Pérez, C. M.
Publisher
Instituto de Zootecnia, Facultad de Veterinaria, Córdoba, Spain
Citation
Archivos de Zootecnia, 2016, 65, 251, pp 409-411
Abstract

Estrous synchronization is a reproductive biotechnology that allows grouping females for an intensive use of Artificial Insemination (AI) and better monitoring of pregnancies and calving season. The aim of this research was to compare the effectiveness of equine chorionic gonadotropin (eCG) and...

Author(s)
Rosendo Ponce, A.; Rosales Martínez, F.; Cruz Reyes, L.; Canseco Sedano, R.; Gallegos Sánchez, J.; Becerril Pérez, C. M.
Publisher
Instituto Nacional de Investigaciones Agricolas (INIA), Maracay, Venezuela
Citation
Zootecnia Tropical, 2017, 35, 1/2, pp 35-44
Abstract

This study inferred genetic and permanent environmental variation of milk yield in Tropical Milking Criollo cattle and compared 5 random regression test-day models using Wilmink's function and Legendre polynomials. Data consisted of 15,377 test-day records from 467 Tropical Milking Criollo cows...

Author(s)
Santellano-Estrada, E.; Becerril-Pérez, C. M.; Alba, J. de; Chang, Y. M.; Gianola, D.; Torres-Hernández, G.; Ramírez-Valverde, R.
Publisher
American Dairy Science Association, Savoy, USA
Citation
Journal of Dairy Science, 2008, 91, 11, pp 4393-4400
Abstract

Seminal characteristics of the Tropical Milking criollo breeds are little known. The objective of this study was to characterize the Tropical Milking bull semen in two seasons, fresh (January) and hot (May) in the Sotavento region of Veracruz, Mexico. Seventy ejaculates from seven bulls of 25.6±1.7 ...

Author(s)
Villatoro Salinas, R. J.; Rosendo Ponce, A.; Canseco Sedano, R.; Cortez Romero, C.; Torres Hernández, G.; Rosales Martínez, F.; Becerril Pérez, C. M.
Publisher
Instituto Nacional de Investigaciones Agricolas (INIA), Maracay, Venezuela
Citation
Zootecnia Tropical, 2016, 34, 4, pp 301-308
AbstractFull Text

Three random regression test day models, using Wilmink's function, first and second order Legendre polynomials, were used to fit lactation curves of the Tropical Milking Criollo (CLT) cattle. 9968 test-day records from 299 CLT cows located in the tropical low lands of the Gulf Coast of Mexico were...

Author(s)
Santellano-Estrada, E.; Alba, J. de; Chang, Y. M.; Gianola, D.; Ramírez-Valverde, R.; Becerril-Pérez, C. M.
Publisher
Instituto Prociência, Minas Gerais, Brazil
Citation
Proceedings of the 8th World Congress on Genetics Applied to Livestock Production, Belo Horizonte, Minas Gerais, Brazil, 13-18 August, 2006, 2006, pp 16-17
Abstract

Many of the tropical lowland areas of warm climate in México have a livestock tradition, small dairies and cheese industries, but any breed of European origin has been able to produce and reproduce successfully in these environments. The tropical milking criollo (TMC) cattle is a Bos taurus adapted ...

Author(s)
Santellano-Estrada, E.; Becerril-Pérez, C. M.; Yu, M. C.; Gianola, D.; Torres-Hernández, G.; Ramírez-Valverde, R.; Domínguez-Vivieros, J.; Rosendo-Ponce, A.
Publisher
Colegio de Postgraduados, Montecillo, Mexico
Citation
Agrociencia (Montecillo), 2011, 45, 2, pp 165-175
Abstract

The objectives of this study were to determine the tick species, number and distribution on body regions, and their relationship to the total number of ticks in Tropical Milking Criollo cattle. Twenty-eight heifers and 16 young bulls (655±35 and 741±89 days old) from an experimental herd located in ...

Author(s)
González-Cerón, F.; Becerril-Pérez, C. M.; Torres-Hernández, G.; Díaz-Rivera, P.
Publisher
Colegio de Postgraduados, Montecillo, Mexico
Citation
Agrociencia (Montecillo), 2009, 43, 1, pp 11-19
Abstract

The aim of this study was to determine the variability of natural infestation by Amblyomma cajennense and Boophilus microplus amongst the Tropical Milking Criollo (TMC) cattle of different age categories and physiological conditions and between periods of sampling carried out during the rainy...

Author(s)
González-Cerón, F.; Becerril-Pérez, C. M.; Torres-Hernández, G.; Díaz-Rivera, P.; Santellano-Estrada, E.; Rosendo-Ponce, A.
Publisher
Colegio de Postgraduados, Montecillo, Mexico
Citation
Agrociencia (Montecillo), 2009, 43, 6, pp 577-584

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