In pig production,the selection of parent stock with high capacity and quality is a very important factor in order to obtain high-yield offspring.Therefore,a“study on the quality of boar semen in Kandal province”was...In pig production,the selection of parent stock with high capacity and quality is a very important factor in order to obtain high-yield offspring.Therefore,a“study on the quality of boar semen in Kandal province”was conducted for the purpose of comparing and evaluating the quality of boar semen(VAC:Volume Activity Concentration)between Duroc breeds,Yorkshire breeds and Landrace breeds.The study was carried out according to an observation study by selecting three breeds of boars around 3 years old,including two Duroc,two Yorkshire and two Landrace.Each boar was observed in three months,three times a month,and the interval was three to four days.The study took place in Takhmao City,Kandal Province,Cambodia.The results showed that the semen volume per ejaculate per head obtained from Yorkshire boar was an average of 250±76.16 mL,which was higher than the semen volume of Landrace with an average of 173.33±59.73 mL.And the semen volume of Duroc was an average of 149.44±72.70 mL.This value indicates that the semen volume per ejaculate per head was significantly different(p<0.01).The activity or mobility of spermatozoa in the semen between the three breeds differed with slightly significant difference(p<0.05),with the spermatozoa scored from the Yorkshire being 0.76±0.06,Landrace being 0.79±0.05 and Duroc being 0.83±0.03.The semen concentration showed that the Yorkshire had an average spermatozoa concentration of 568.89×10^(6) sperm cells/mL,and the Landrace had an average spermatozoa concentration of 321.11×10^(6) sperm cells/mL and the Duroc an average spermatozoa concentration of 568.86×10^(6) sperm cells/mL,which further confirmed that there was a significant difference in the statistical meaning(p<0.001).The semen quality(VAC)per one ejaculate between the three breeds showed significant difference(p<0.05),in which the VAC of the Yorkshire was 39.31×10^(9) sperms per ejaculate,Landrace was 44.54×10^(9) sperm cells per ejaculate and Duroc was 70.28×10^(9) sperm cells per ejaculate.Based on the above results,we can conclude that the semen quality(VAC)values of the three breeds of pigs are good,which can save the breeding because it shows the excellent quality of each breed.展开更多
文摘In pig production,the selection of parent stock with high capacity and quality is a very important factor in order to obtain high-yield offspring.Therefore,a“study on the quality of boar semen in Kandal province”was conducted for the purpose of comparing and evaluating the quality of boar semen(VAC:Volume Activity Concentration)between Duroc breeds,Yorkshire breeds and Landrace breeds.The study was carried out according to an observation study by selecting three breeds of boars around 3 years old,including two Duroc,two Yorkshire and two Landrace.Each boar was observed in three months,three times a month,and the interval was three to four days.The study took place in Takhmao City,Kandal Province,Cambodia.The results showed that the semen volume per ejaculate per head obtained from Yorkshire boar was an average of 250±76.16 mL,which was higher than the semen volume of Landrace with an average of 173.33±59.73 mL.And the semen volume of Duroc was an average of 149.44±72.70 mL.This value indicates that the semen volume per ejaculate per head was significantly different(p<0.01).The activity or mobility of spermatozoa in the semen between the three breeds differed with slightly significant difference(p<0.05),with the spermatozoa scored from the Yorkshire being 0.76±0.06,Landrace being 0.79±0.05 and Duroc being 0.83±0.03.The semen concentration showed that the Yorkshire had an average spermatozoa concentration of 568.89×10^(6) sperm cells/mL,and the Landrace had an average spermatozoa concentration of 321.11×10^(6) sperm cells/mL and the Duroc an average spermatozoa concentration of 568.86×10^(6) sperm cells/mL,which further confirmed that there was a significant difference in the statistical meaning(p<0.001).The semen quality(VAC)per one ejaculate between the three breeds showed significant difference(p<0.05),in which the VAC of the Yorkshire was 39.31×10^(9) sperms per ejaculate,Landrace was 44.54×10^(9) sperm cells per ejaculate and Duroc was 70.28×10^(9) sperm cells per ejaculate.Based on the above results,we can conclude that the semen quality(VAC)values of the three breeds of pigs are good,which can save the breeding because it shows the excellent quality of each breed.
