INFLUENCE OF SEASON ON SOME REPRODUCTIVE TRAITS IN GROUP-HOUSED DANUBE WHITE AND LANDRACE SOWS | ÂËÈßÍÈÅ ÍÀ ÑÅÇÎÍÀ ÂÚÐÕÓ ÍßÊÎÈ ÐÅÏÐÎÄÓÊÒÈÂÍÈ ÏÐÈÇÍÀÖÈ ÏÐÈ ÃÐÓÏÎÂÎ ÎÒÃËÅÆÄÀÍÅ ÍÀ ÑÂÈÍÅ ÎÒ ÏÎÐÎÄÈÒÅ ÄÓÍÀÂÑÊÀ ÁßËÀ È ËÀÍÄÐÀÑ
2012
Nikolova, T., Agricultural Institute, Shumen (Bulgaria)
The aim of this study was to determine the influence of season on some reproductive traits in grouphoused sows from the Danube White (n= 60) and Landrace (n= 80) breeds. The traits percentage of sows in estrus, conception rate, dropout rate, percentage of farrowed sows, and weaning to estrus period were estimated. The results show significantly better reproductive abilities in winter versus.....
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Эту запись предоставил Institute of Agricultural Economics