{"id":2203,"date":"2015-07-14T12:10:01","date_gmt":"2015-07-14T09:10:01","guid":{"rendered":"https:\/\/visnyk.mnau.edu.ua\/?p=2203"},"modified":"2015-08-18T12:47:08","modified_gmt":"2015-08-18T09:47:08","slug":"n85v2r2015t1melnik","status":"publish","type":"post","link":"https:\/\/visnyk.mnau.edu.ua\/en\/n85v2r2015t1melnik\/","title":{"rendered":"Comparative characteristics of the reproductive ability of boars-sires of different genotypes."},"content":{"rendered":"UDC\u00a0636.4.033.082.31.4<\/p>\n

V. Melnik, E. Kravchenko, E. Kogut<\/p>\n

The study of reproductive ability, quantitative and qualitative indicators of sperm of male pigs-manufacturers is very important. It is known that the quality of sperm and sexual activity depends on how boars will be realized the potential reproductive capacity of the sow. Therefore, development of assessment of reproductive ability of breeding boars important for the process, and for breeding.
\nWhen used in artificial insemination of sows farm several times increased the effect of breeding boars on the performance of the herd, so it is especially increased demand for their selection for breeding.
\nThe results of the study were to investigate the quantitative and qualitative indicators of sperm of male pigs of Large White breed, Red white belt, Duroc, Landrace, Pietrain and cantor.
\nIn terms of volume of ejaculate were the best Landrace boars (386.5 ml), they are dominated by large white breed of 6.4 ml, Red white belt 40.3 mL, Duroc 95.4\u00a0mL, Pietrain 66 0 ml, cantor 34.2 ml.
\nConcentration of sperm in the ejaculate, note the preference of boars of Duroc, who had sperm concentration 244,2 million\/Ml, compared with Large White boars \u2013 advantage was 17.4%, above the Red white belt \u2013 12.2%, Landrace \u2013 15.2%, Pietrain \u2013 24.5%, cantor \u2013 18.9%.
\nActivity spermatozoa was determined by a 10-point scale, all boars were of high estimate, but large white breed boars sperm activity was high and was 9.9\u00a0points.
\nWhen evaluating boars survival of sperm outside the body of the high values of boars of large white breed \u2013 7.5 hr., And exceeds the Duroc boars 9.9%, boars on Red white belt \u2013 24%, Landrace boar \u2013 17.3 % (P> 0.999), Pietrain at \u2013 18.7%, cantor at \u2013 21.4%.
\nSample of sows in estrus carried out daily using a boar-probe, as well as visually by clinical signs and behavior of the sow.
\nThe detection of oestrus in sows is labeled and conducted artificial insemination disposable catheters in 100 ml of semen doses twice: the first time \u2013 in the morning and the second \u2013 after 24 hours.
\nFertilizing capacity of sperm of male pigs was determined after artificial insemination of sows non-factional way. According to data fertilizing capacity was higher in male pigs of large white breed \u2013 88.1% and exceeded the Duroc boars, Pietrain and cantor, who had value for this indicator \u2013 86%, 85.7%, 86.8%.<\/p>\n

Key words: boars-sires, productivity sperm, ejaculate volume, sperm survival, reproductive ability.<\/p>\n

V. Melnik, E. Kravchenko, E. Kogut. Comparative characteristics of the reproductive ability of boars-sires of different genotypes.<\/a><\/p>\n

References:<\/p>\n

    \n
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    UDC\u00a0636.4.033.082.31.4 V. Melnik, E. Kravchenko, E. Kogut The study of reproductive ability, quantitative and qualitative indicators of sperm of male pigs-manufacturers is very important. It is known that the quality of sperm and sexual activity depends on how boars will be realized the potential reproductive capacity of the sow. Therefore, development of assessment of reproductive […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[574],"tags":[603,115,114],"aioseo_notices":[],"views":842,"_links":{"self":[{"href":"https:\/\/visnyk.mnau.edu.ua\/en\/wp-json\/wp\/v2\/posts\/2203"}],"collection":[{"href":"https:\/\/visnyk.mnau.edu.ua\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/visnyk.mnau.edu.ua\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/visnyk.mnau.edu.ua\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/visnyk.mnau.edu.ua\/en\/wp-json\/wp\/v2\/comments?post=2203"}],"version-history":[{"count":0,"href":"https:\/\/visnyk.mnau.edu.ua\/en\/wp-json\/wp\/v2\/posts\/2203\/revisions"}],"wp:attachment":[{"href":"https:\/\/visnyk.mnau.edu.ua\/en\/wp-json\/wp\/v2\/media?parent=2203"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/visnyk.mnau.edu.ua\/en\/wp-json\/wp\/v2\/categories?post=2203"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/visnyk.mnau.edu.ua\/en\/wp-json\/wp\/v2\/tags?post=2203"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}