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Abstract

Background: High environmental temperature coupled with high humidity can result in reproductive failure in dairy cattle, with a drastic reduction in reproductive efficiency of dairy herds. Objective: To study the effect of high environmental temperature on reproduction performance of Holstein cows ...

Author(s)
Mellado, M.; Sepulveda, E.; Meza-Herrera, C.; Veliz, F. G.; Arevalo, J. R.; Mellado, J.; Santiago, A. de
Publisher
Universidad de Antioquia, Medellín, Colombia
Citation
Revista Colombiana de Ciencias Pecuarias, 2013, 26, 3, pp 193-200
Abstract

Records representing data from 1,500 barren Holstein cows over an 8-yr period from a large commercial dairy farm in northern Mexico were analyzed to determine the effects of lactation number and season and year of initiation of lactation on milk production of cows induced hormonally into lactation...

Author(s)
Mellado, M.; Antonio-Chirino, E.; Meza-Herrera, C.; Veliz, F. G.; Arevalo, J. R.; Mellado, J.; Santiago, A. de
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2011, 94, 9, pp 4524-4530
Abstract

The prevalence of Brucella antibodies in serum of unvaccinated grazing goats as well as risk factors for brucellosis in northeastern Mexico were evaluated using data from a cross-sectional study between 2002 and 2008. Data were from 99 goat flocks. Serum samples from 12,127 goats were analyzed with ...

Author(s)
Marin, V.; Mellado, J.; Garcia, J. E.; Gaytan, L.; Mellado, M.
Publisher
Israel Veterinary Medical Association, Raanana, Israel
Citation
Israel Journal of Veterinary Medicine, 2016, 71, 4, pp 14-20
Abstract

Reproductive data collected from 13 medium-size goat farms in central Mexico (582 goats), were used to investigate if linear type traits influenced reproductive performance of high-yielding dairy goats. Data were analysed using multiple stepwise forward logistic regressions. Goats with the higher...

Author(s)
Mellado, M.; Mellado, J.; Valencia, M.; Pittroff, W.
Publisher
Blackwell Publishing, Berlin, Germany
Citation
Reproduction in Domestic Animals, 2008, 43, 5, pp 599-605