Polymorphism of Transferrins in Cattle of the Polish Red Breed and in Zlotnicka Pigs
Investigations have been carried out on 936 individuals of the Polish Red cattle and on 219 pigs of Zlotnicka breed. In cattle, together with the recognized transferrin types controlled by three alleles, with frequencies of: q A = 0.4208, q D = 0.5123, and q E = 0,0668, a band migrating more slowly than the band E was observed and is presumably the product of the allele TfF. A considerable variability of transferrins in the Zlotnicka pigs examined was observed. Further the existence of 4 alleles TfA, TfB, TfC and TfD has been confined. These alleles determine the following phenotypes: AA, BB, AB, AC, BC and BD. Frequency of these alleles was as follows: q A = 0.2808, q B = 0.6507, q C = 0.0411, q D = 0.0274.
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