Heritability values of more important milk qualities of Simmental breed cows | Heritabilnost vaznijih svojstava mlecnosti krava Simentalske rase
2006
Panic, J., Poljoprivredni fakultet, Novi Sad (Serbia) | Vidovic, V., Poljoprivredni fakultet, Novi Sad (Serbia)
In this research 245 cows are included. They are daughters of ten sires and all of them realized 548 lactations in the period 2000 and 2003. Data used originated from two cattle farms. During lactation lasting approximately 333 days cow produced 4521 kg of milk yield with 181 kg fat yield and 4.00% fat percentage in standard lactation. The values for heritability are estimated by using interclass correlation. It was low for duration of lactation (0.017) and for fat percentage (0.037). Also, it was medium for milk yield (0.227) and fat yield (0.214). The average values for heritability in the standard lactations were 0.317 for milk yield and 0.281 for fat yield. In other words, those are medium heriditary features. The values for heritability were low for fat percentage (0.031), or low hereditary feature.
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