Reference : Khả năng sinh trưởng và phẩm chất tinh dịch lợn đực Piétrain kháng stress nuôi tại Tr...
Scientific journals : Article
Life sciences : Animal production & animal husbandry
Khả năng sinh trưởng và phẩm chất tinh dịch lợn đực Piétrain kháng stress nuôi tại Trung tâm giống lợn chất lượng cao - Trường Đại học Nông nghiệp Hà Nội
[en] Growth Performance and Semen Quality of the Stress Negative Piétrain Boars Raised at the Animal Farm of Hanoi University of Agriculture
Ha Xuan, Bo mailto [> >]
Do Duc, Luc mailto [Université de Liège - ULiège > > > Doct. sc. vété. (Bologne)]
Bui Van, Dinh mailto [> >]
Bui Huu, Doan mailto [> >]
Vu Dinh, Ton mailto [> >]
Dang Vu, Binh mailto [> >]
Journal of Science and Development
Hanoi University of Agriculture Vietnam
[en] growth performance ; halothane genotype ; season ; semen quality ; stress negative Piétrain ; pigs
[en] This study was carried out on 10 stress-negative Piétrain boars including 3 pigs of halothane genotype CC and 7 of CT at the pig breeding farm of Hanoi University of Agriculture in order to evaluate effects of season (Spring, Summer and Autumn) and halothane genotype (CC and CT) on the production performance and semen traits. The results showed that the difference in daily average gain was not significant between CC (559.57 g/day) and CT boars (546.31 g/day). The
halothane genotype did not affect semen traits (P>0.05) except ejaculation volume (P<0.001). Ejaculation volume of CC genotype (270.95ml) was higher than that of CT (220.82ml). Season had significant effect on ejaculation volume, sperm concentration and pH of semen (P<0.001) as well as total number of sperms moving straight ahead per each ejaculation (P<0.05). Semen volume was highest in autumn (293.02 ml) followed by summer (195.00 ml) and spring (190.86 ml) while this tendency was inverse for sperm concentration. Total number of sperms moving straight ahead per each ejaculation was highest in Autumn (47.15 billion) followed by Spring (45.20 billion) and lowest in Summer (36.74 billion). Semen traits of the stress-negative Piétrain boars were in accordance to the standards of technical criteria for animal breeding accoprding to the DecisionNo. 1712/QĐ-BNN-CN (Ministry of Agriculture and Rural development, Vietnam), except sperm motility and growth performance were lower than specified.
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