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Celem pracy było określenie wpływu liczebności miotu, z którego pochodziły lochy na liczbę prosiąt żywo urodzonych i odchowanych do 21. dnia. Materiał do badań stanowiły dane o użytkowości rozpłodowej samic pbz i wbp (1791 i 1047 rekordów), użytkowanych w latach 2004-2009 w stadach zarodowych mazowieckiego rejonu hodowlanego. Na podstawie liczebności miotu pochodzenia, lochy przydzielono do grup:...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.