Pre-weaning traits in simmental and simmental (Bos taurus) x brahman (Bos indicus) cross breed cattle in the Mexican tropic

Juan C. Martínez González, Adalberto Azuara Martínez, Javier Hernández Meléndez, Gaspar M. Parra Bracamonte, Sonia P. Castillo Rodríguez

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

The objective of this study was to determine the productive performance in body weight change from birth to weaning, of calves simmental and their crosses with brahman in a beef cattle in the south of Tamaulipas, Mexico. Data were analyzed from 1994 to 2005 years (birth weight BW, n = 947; weaning weight adjusted to 205 days WW205, n = 802; and pre-weaning daily gain weight DGW, n = 802) using the method of minimum square to determine the effects of breed group (BG), year (YC), and season (SC) calving, parity number of cow (PC), and sex of calves (SX); and the interaction of first order on the variables of BW, DGW and WW205. In DGW and WW205 were considered the covariable of BW. The averages for BW, DGW and WW205 were 35.2 ± 6.7, 0.774 ± 0.175 and 194.3 ± 37.3 kg, respectively. The BG was affected (p<0.01) the DGW and WW205. The YC and SC were important variation sources (p<0.01) in BW, DGW and WW205. The SC affected (p<0.05) DGW and WW205. The SX did not have an effect (p>0.05) on anyone's variables.
Original languageAmerican English
Pages (from-to)365-371
Number of pages327
JournalRevista Colombiana de Ciencias Pecuarias
StatePublished - 1 Jan 2008
Externally publishedYes

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Brahman
Simmental
zebu
Weaning
tropics
crossbreds
weaning
calves
breeds
cattle
body weight changes
weaning weight
parity (reproduction)
birth weight
beef cattle
calving
Body Weight Changes
Mexico
weight gain
Parity

Cite this

Martínez González, Juan C. ; Martínez, Adalberto Azuara ; Meléndez, Javier Hernández ; Parra Bracamonte, Gaspar M. ; Castillo Rodríguez, Sonia P. / Pre-weaning traits in simmental and simmental (Bos taurus) x brahman (Bos indicus) cross breed cattle in the Mexican tropic. In: Revista Colombiana de Ciencias Pecuarias. 2008 ; pp. 365-371.
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Pre-weaning traits in simmental and simmental (Bos taurus) x brahman (Bos indicus) cross breed cattle in the Mexican tropic. / Martínez González, Juan C.; Martínez, Adalberto Azuara; Meléndez, Javier Hernández; Parra Bracamonte, Gaspar M.; Castillo Rodríguez, Sonia P.

In: Revista Colombiana de Ciencias Pecuarias, 01.01.2008, p. 365-371.

Research output: Contribution to journalArticle

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