Linear evaluation of Simmental bull-dams
2007
Pantelic, V.(Institut za stocarstvo, Beograd - Zemun (Serbia)) | Skalicki, Z.(Poljoprivredni fakultet, Beograd - Zemun (Serbia)) | Petrovic, M.M.(Institut za stocarstvo, Beograd - Zemun (Serbia)) | Latinovic, D.(Poljoprivredni fakultet, Beograd - Zemun (Serbia)) | Aleksic, S.(Institut za stocarstvo, Beograd - Zemun (Serbia)) | Miscevic, B.(Institut za stocarstvo, Beograd - Zemun (Serbia)) | Ostojic, D.(Institut za stocarstvo, Beograd - Zemun (Serbia))
Investigation included 292 Simmental cows selected as bull-dams on the territory of the Republic of Serbia during 2002. For all investigated traits main variation-statistical parameters were calculated: arithmetic mean value, standard deviation, variation coefficients, standard error and variation interval. Average values of evaluation of the type of Simmental bull-dams were following: for type (frame) 7.89, muscle development 7.78, form (appearance) 7.79 and for udder 7.64. Linear evaluation values were above the average determined for Simmental population under control, which justifies the conclusion that bull-dams represent the elite heads of main herd. Visual evaluation and recognition of milk characteristics of cows are preliminary indicators of milk production, and partially also of longevity and reproductive ability of head of cattle, which is very important from the aspect of economical efficiency of milk production.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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