{"id":1908,"date":"2015-06-22T15:02:15","date_gmt":"2015-06-22T12:02:15","guid":{"rendered":"https:\/\/visnyk.mnau.edu.ua\/?p=1908"},"modified":"2015-08-13T16:31:02","modified_gmt":"2015-08-13T13:31:02","slug":"n84v2r2015t2melnik","status":"publish","type":"post","link":"https:\/\/visnyk.mnau.edu.ua\/en\/n84v2r2015t2melnik\/","title":{"rendered":"Comparative characteristics of the reproductive ability of boars-sires of different genotypes."},"content":{"rendered":"UNC\u00a0636.4.082<\/p>\n

Melnik v.
\nKravchenko\u00a0E.
\nKogut E<\/p>\n

The study of reproductive ability, quantitative and qualitative indicators of sperm of male pigs-manufacturers is very important. It is\u00a0known 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.\u00a0When 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.\u00a0The results of the study was to investigate the quantitative and qualitative indicators of sperm of male pigs of Large White breed, Red white belt, Duroc, Landrace, Pietrain and cantor.\u00a0In 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 mL, Pietrain 66 0 ml, cantor 34.2 ml.\u00a0Concentration 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%.\u00a0Activity 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 points.\u00a0When 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%.\u00a0Sample of sows in estrus carried out daily using a boar-probe, as well as visually by clinical signs and behavior of the sow.\u00a0The detection of oestrus in sows them is labeled and conduct 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.\u00a0Fertilizing 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%.
\nBoars breeds such as Red white belt, Landrace, this indicator inferior to all other boars and had the following values \u2013 81.7; 83.8% respectively.<\/p>\n

<\/p>\n

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

References:
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\n2. Moraru Y. \u042dntsyklopedyia vosproyzvodstva \/ [Y. Moraru, T.Fohlmair, A. Hryssler y dr.]. \u2014 K. : Ahrar Medyen Ukrayna, 2012. \u2014 224 s.
\n3. Platonova N. P. Dyferentsiina sonohrafichna diahnostyka reproduktyvnoi systemy v skotarstvi \/ N. P. Platonova \/\/ Suchasna veterynarna medytsyna. \u2014 2012. \u2014 # 4. \u2014 S. 30\u201435.
\n4. Turynskyi V. M. Metody dyahnostyky suiahnosty u ovets \/ V. M. Turynskyi, N. P. Platonova \/\/ Suchasna veterynarna medytsyna. \u2014 2012. \u2014 # 1. \u2014 S. 31\u201434.
\n5. Fiziolohiia, patolohiia ta biotekhnika vidtvorennia svynei \/ [M. I. Kharenko, S. P. Khomyn, A. Y. Kraievskyi ta in.]. \u2014 Sumy : Kozatskyi val, 2010. \u2014 412 s.
\n6. Christiansen J. P. The Basics of pig production \/ Jorgen Peder Christiansen. \u2013 Danish Agricultural Advisory Service, National Centre : Publishing Section, 2005. \u2014 216 p. V. A. Melnyk , E. A.<\/p>\n

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V. Melnik, E. Kravchenko , A. Bondar, A. Kraevskaya. Experience of pregnant\u00a0sows diagnosis by ultrasound.<\/strong>
\nThe article presents the materials of early ultrasound examination of pregnant\u00a0sows in farms of Nikolaev and Odessa areas. The studies were conducted after artificial\u00a0insemination of sows in the period from 12\u202614 days to 42\u202645 days of gestation. It was\u00a0measured embryonic bubbles and embryos, and also and defined the structure and\u00a0features of the walls of the uterine horns. In sows, which came into estrus after 2\u20263\u00a0artificial insemination to diagnose the causes of unproductive insemination and\u00a0pathological changes in the genitals. An economic analysis of the effectiveness of the\u00a0establishment of the early period of gestation sows was made.","protected":false},"excerpt":{"rendered":"

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