Milk production and body dimensions in female crosses from combination crossing and grading up of Slovak Pied with Holstein breed
1997
Chrenek, J. | Huba, J. | Peskovicova, D. | Kmet, J. (Research Inst. of Animal Production, Nitra (Slovak Republic))
The aim of the paper is to analyse milk production and body measurements of crosses of Slovakian Pied Breed with Holstein sires created by combination crossing (F101 generation) and upgrading (F11, F111, F1111 generation). The results are as follows: the milk production of F1 generation (in 1st till 3rd lactation) was higher compared with Slovakian Pied from 19.46 to 20.26 %, F101 crosses from 22.04 to 23.28 %. The crosses from upgrading (F11) were above the Slovakian Pied from 24.20 to 26.88 %, F111 from 25.72 to 28 % and F1111 generation from 25.53 to 30.85 %. The crosses of F101 generation produced from 2.85 to 4.74 % less milk in the 1st lactation, from 5.56 to 8.65 % less milk in the 2nd lactation and from 4.69 to 9.87 % less milk in the 3rd lactation compared with crosses from upgrading. The crosses from upgrading differ from Slovakian Pied breed in body measurements, mainly in thorax and pelvis measurements (insignificant). The crosses had a deeper but narrower thorax and bigger front and middle pelvis width and insignificantly larger withers height and body length
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