| Autor: |
Pečiulaitienė, Nijolė, Miceikienė, Ilona, Mišeikienė, Ramutė, Krasnopiorova, Natalija, Kriauzienė, Janina |
| Jazyk: |
angličtina |
| Rok vydání: |
2007 |
| Předmět: |
|
| Zdroj: |
Žemės ūkio mokslai, ISSN 1392-0200, 2007, T. 14, Nr. 1, p. 32-38 |
| Popis: |
394 unrelated Lithuanian dairy cows (Lithuanian Black & White 109, Lithuanian Red 168, Lithuanian Light Grey 68 and Lithuanian White Backed 49) were evaluated to test the influence of milk protein genotypes milk to production and milk composition traits. Milk protein genes were identified by polymerase chain reaction (PCR) and the RFLP method. The results showed a positive effect of the BB genotype of kappa-casein on milk fat and protein content, however, this genotype had a negative effect on milk yield. The Alphas1-casein BB genotype showed milk yield, whereas the alphas1-casein CC genotype produced more protein. The whey protein BB genotype of the beta-lactoglobulin locus influenced milk fat level, whereas the beta-lactoglobulin BC genotype was produced more protein. Differences among the milk protein genotypes were estimated. Cows with kappa-casein locus AA genotype produced more milk (175.7 kg; p |
| Databáze: |
OpenAIRE |
| Externí odkaz: |
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