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Abstract

The genetic parameters for Brahman cattle under the tropical conditions of Mexico are scarce. Therefore, heritabilities, additive direct and maternal correlations, and genetic correlations for birth weight (BW) and 205 days adjusted weaning weight (WW205) were estimated in four Brahman cattle herds ...

Author(s)
Estrada-León, R. J.; Magaña-Monforte, J. G.; Segura-Correa, J. C.
Publisher
Springer, Amsterdam, Netherlands
Citation
Tropical Animal Health and Production, 2014, 46, 5, pp 771-776
Abstract

Retaining features of the auroch (Bos taurus primigenius), the Lidia bovine is a primitive breed originated ∼250 yr ago in the Iberian Peninsula, where is still distributed, along with France and several American countries. Selected upon a behavior, which enhances their aggressiveness; these...

Author(s)
García Eusebi, P.; Cortés Gardyn, O.; Dunner Boxberger, S.; Cañón Ferreras, J.
Publisher
Instituto Nacional de Investigaciones Forestales, Agrícolas y Pecuarias (INIFAP), Mexico City, Mexico
Citation
Revista Mexicana de Ciencias Pecuarias, 2018, 9, 1, pp 121-134
Abstract

Crossbreeding effects were evaluated in three dual purpose bovine sub-populations in the tropics, and 5,040 lactations, 4,429 birth weights and adjusted weights at 205 [3,878], 365 [3,017] and 540 [2,276] days (PN, P205, P365 y P540, respectively) from Zebu cattle (CE) and its crosses with Holstein ...

Author(s)
Román-Ponce, S. I.; Ruiz-López, F. de J.; Montaldo, H. H.; Rizzi, R.; Román-Ponce, H.
Publisher
Instituto Nacional de Investigaciones Forestales, Agrícolas y Pecuarias (INIFAP), Mexico City, Mexico
Citation
Revista Mexicana de Ciencias Pecuarias, 2013, 4, 4, pp 405-416
Abstract

Crossbred dairy cows differ in productive and reproductive traits compared to purebred Holsteins. The objectives of this study were to breed Holstein, Jersey, Montbeliarde and Swedish Red using a breed rotational crossbreeding system and evaluate some productive and reproductive performance....

Author(s)
Lammoglia Villagómez, M. Á.; Ávila García, J.; Alarcón Zapata, M. A.; Cabrera Núñez, A.; Gutiérrez Rodríguez, A.; Rentería, I. D.
Publisher
Facultad de Medicina Veterinaria y Zootecnia, Coyoacan, Mexico
Citation
Veterinaria México, 2013, 44, 1, pp 17-22
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 effect of age at first calving (AFC) and breed type (BG) on cow length of productive life in the herd (LPL) and cumulative kilograms of calves weaned per cow (KWC) was studied. Data on 313 Brahman, 183 Nellore, and 269 crossbred cows (undefined crosses of European × Zebu cattle) born from 1986...

Author(s)
Aranda-Avila, I.; Magaña-Monforte, J. G.; Segura-Correa, J. C.
Publisher
Springer, Amsterdam, Netherlands
Citation
Tropical Animal Health and Production, 2010, 42, 8, pp 1737-1741
AbstractFull Text

Due to a reduced contribution of the livestock producers from the XIVth Tulijá-Tseltal-Chol Region to the overall livestock activity in Chiapas, a study was carried out in order to recognize the bovine cattle breed types that conform the structural arrangement of cattle herds linked to a...

Author(s)
Velázquez Avendaño, J.; Perezgrovas Garza, R.
Publisher
Instituto de Zootecnia, Facultad de Veterinaria, Córdoba, Spain
Citation
Archivos de Zootecnia, 2016, 65, 249, pp 35-42
Abstract

The objective of this study was to determine the magnitude of genotype by climate interaction (GCI) in the national genetic evaluation for weaning (WW) and yearling (YW) weights of Mexican Braunvieh cattle. The numbers of performance records and animals in the pedigree were 12,364 and 25,173 for...

Author(s)
Saavedra-Jiménez, L. A.; Ramírez-Valverde, R.; Núñez-Domínguez, R.; García-Muñiz, J. G.; Lopez-Villalobos, N.; Ruíz-Flores, A.
Publisher
Springer, Amsterdam, Netherlands
Citation
Tropical Animal Health and Production, 2013, 45, 7, pp 1489-1494
Abstract

The ancestry of New World cattle was investigated through the analysis of mitochondrial and Y chromosome variation in Creoles from Argentina, Brazil, Mexico, Paraguay and the United States of America. Breeds that influenced the Creoles, such as Iberian native, British and Zebu, were also studied....

Author(s)
Ginja, C.; Penedo, M. C. T.; Melucci, L.; Quiroz, J.; Martínez López, O. R.; Revidatti, M. A.; Martínez-Martínez, A.; Delgado, J. V.; Gama, L. T.
Publisher
Blackwell Publishing Ltd, Oxford, UK
Citation
Animal Genetics, 2010, 41, 2, pp 128-141
Abstract

The objective of the study was to determine the effect of routine intramuscular injection of oxytocin to induce milk ejection on behavior assessed in terms of stress and rectal temperature in crossbred cows (Bos indicus × Bos taurus) in the tropics of Veracruz, México. Immediately after calving,...

Author(s)
Lammoglia, M. A.; Garcez, N.; Cabrera, A.; López, R. D.; Rentería, I. del C. D.; Rojas-Ronquillo, R.
Publisher
Sociedade Brasileira de Zootecnia, Viçosa, Brazil
Citation
Revista Brasileira de Zootecnia, 2016, 45, 8, pp 478-482

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