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Semen characteristics of the three genetic types of boars reared in Benin

Asian pacific Journal of Reproduction 2021年第2期10卷 82-89页

作者： ignace.o.dotché Aichatou Gakou Constant Boris o.B.Bankolé Mahamadou Dahouda Isidore Houaga Nicolas Antoine-Moussiaux Jean Paul Dehoux Pierre Thilmant Benoit G.Koutinhouin Issaka Youssao Abdou Karim Department of Animal Production and Health Laboratory of Animal Biotechnology and Meat TechnologyPolytechnic School of Abomey-CalaviUniversity of Abomey-Calavi01 BP 2009CotonouBenin Department of Animal Production Faculty of Agronomic ScienceUniversity of Abomey-Calavi01 BP 526CotonouBenin Research Unit"Vector-Borne Diseases and Biodiversity"(UMaVeB) Centre International de Recherche-Développement sur l’Elevage en zone Subhumide(CIRDES)Burkina Faso Fundamental and Applied Research for Animals and Health Faculty of Veterinary MedicineUniversity of LiègeVallée 2Avenue de Cureghem4000 LiègeBelgium Laboratory of Experimental Surgery Universite Catholique de Louvain55/70Avenue Hippocrate1200BrusselsBelgium Provincial Center of Productions Animales Liège(CPL Animal)Rue de Saint Remy5 B4601 ArgenteauBelgium

objective:To characterize the semen of three genetic types of boars(local,improved and Large White)reared in ***:Semen of local,improved and Large White boars reared in Benin were collected using the gloved hand method and analyzed to determine volume,pH,concentration,mobility,motility,and *** effect of the genetic type of boar on semen characteristics was aslo ***:Duration of ejaculation and semen volume of Large White boar were significantly higher than those of local and improved boars(Pof improved boars had a higher motility score than that of Large White and local boars(Pof local boars was more concentrated in the spermatozoa than that of improved and Large White boars(Poportion of spermatozoa of improved boars with normal morphology(93.6%)was significantly higher than that of local(82.2%)and Large White boars(81.6%)(Poportion of spermatozoa with folded tails in the semen of Large White boars(9.2%)was significantly higher than that observed in improved(1.8%)and local(5.0%)boars(Poportion of spermatozoa with proximal cytoplasmic droplets in semen of improved boars(2.7%)was significantly lower than that in Large White(6.8%)and local(9.7%)boars(Pocal(1.5%)and Large White boars(1.1%)showed more spermatozoa with distal cytoplasmic droplets in their semen compared to the improved boars(0.4%).Conclusions:The semen characteristics of pigs reared in Benin vary from one genetic type to *** genetic type has a strong *** Large White boar produces larger semen,the local boar produces more concentrated semen and the improved boar produces spermatozoa that are morphologically *** semen of these three genetic types can be used in artificial insemination but the improved boar's semen is more recommended.

关键词： Boars Semen Local pigs Benin Semen characteristics Genetic types

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