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Formation of MEVEZUG Pure Ovino Reproducers in Tierra Caliente Guerrero,Mexico

Journal of Environmental Science and Engineering(A) 2020年第6期9卷 246-254页

作者： Esteban Julián Mireles Martínez Adiel Catalán Robles Areli Hernández Rodríguez JoséAlonso Galeana isidro gutiérrez segura MaTrinidad Valencia Almazan Rosendo Cuicas Huerta Facultad de Medicina Veterinaria y Zootecnia Universidad Autónoma de GuerreroCd.Altamirano 40660México Instituto de Ciencia Animal(ICA) San Joséde las Lajas 32700 MayabequeCuba

The objective of the present work was to obtain pure ovine *** 2010 work began with the sheep herd of the Faculty of Veterinary Medicine and Animal Science of the Universidad Autónoma de Guerrero,located in the municipality of Pungarabato,Guerrero State,Mé*** faculty is 250 meters above sea *** climate of the region is warm subhumid,with average temperature between 24 and 30°C,but in the heat season maximum temperatures up to 46°down in the *** rainfall regimen is 800-1,200 mm of rainfall per *** production of sheep in Mexico is characterized mainly by creole animals and crosses are made with pure breeds imported from several European countries and ***,there is a need to form local breeds adapted to the climatic conditions and production systems of *** sheep herd initially had 100 animal of hair,with 70 sheep with their lambs and a *** animals had phenotype Pelibuey,Black Belly,Doper and *** of May 2010,consanguineous crosses were *** this period the parameters were registered:date and type of birth,weight and sex of the *** on BW(Birth Weight)of males and females were analyzed by ANOVA(Analysis of Variance)and multiple comparison test was used for the comparison of means(Duncan,1955),with a significance level of P<*** first reproducer was brown tobacco and had antlers,and the females had different *** to the present time,there are twenty studs with their respective descendants,and year 2019 the herd has 100 animals light brown and tobacco with their lambs(30),and a *** sheep are of medium size with 45 and 60 kg of average weight in females and male,*** of a total of 326 females and 335 males born,with an average weight of 2.62 kg at birth and a proliferative index of 1.41,20 MEVEZUG males were selected to be used as reproducers in 20 herds distributed in different sheep production units of the state of *** the crosses

关键词： MEVEZUG pure ovine reproducers

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