Povezanost genotipova transferina i proizvodnih osobina holštajn frizijskih krava u Vojvodini

Translated title of the contribution: Association of transferrin genotypes and production traits of Holstein-Friesian cows in Vojvodina

Dragomir Lukač, Vitomir Vidović, Nemeš Žolt, A. Zsolnai, Milena Stevanović, Beáta Bán

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

The aim of this study was to identify genotypes of transferrin, evaluate their frequency in population of Holstein-Friesian cows, and to study association of transferrin genotypes with productivity of cows. Blood samples were collected from 249 healthy adult Holstein cows, daughters of 18 sires, reared at farm in Vojvodina. The nine transferrin (Tf) genotypes were identified: three (transferrin AA, D1D1 and D2D2) of these were homozygous and the remaining six (transferrin AD1, AD2, AE, D1D2, D1E and D2E) heterozygous. The frequencies of genotypes AD2, D1D2, D2D2 and AD1 were 0.29, 0.20, 0.17, and 0.11, respectively, while the other genotypes had frequencies below 0.11. The frequency of alleles A, D1, D2 and E, which was derived from the frequency of genotypes, was 0.30 for allele A, 0.19 for allele D1, 0.45 for allele D2 and 0.06 for allele E. In the analyzed population, cows Tf genotype D2E, AD2, D2D2, and D1D2 had the highest average of milk and milk fat yield in the first three standard lactation, while cows genotype AA, AD1 and D1E had the least amount. Analysis of variance showed that Tf genotype had a non-significant effect in the case of milk fat. However, cows which showed the highest performance for milk fat yield in three standard lactations were phenovarients Tf D2E, AD2, D2D2 and D1D2 in the analyzed population. Based on these results, the general conclusion can be made that the cows with Tf genotype AD2 recorded best results in all observed traits, and that cows which were heterozygous for Tf gene had higher milk yield and milk fat than the cows homozygous for Tf gene.

Original languageUndefined/Unknown
Pages (from-to)79-85
Number of pages7
JournalMljekarstvo
Volume64
Issue number2
Publication statusPublished - 2014

Fingerprint

Yugoslavia
transferrin
Transferrin
Holstein
Genotype
cows
genotype
Milk
Fats
Alleles
alleles
milk fat yield
Lactation
milk fat
lactation
Population
Nuclear Family
Gene Frequency
Genes
sires

Keywords

  • Milk yield
  • Polymorphism
  • Productive life of cows
  • Transferrin

ASJC Scopus subject areas

  • Animal Science and Zoology
  • Food Science

Cite this

Lukač, D., Vidović, V., Žolt, N., Zsolnai, A., Stevanović, M., & Bán, B. (2014). Povezanost genotipova transferina i proizvodnih osobina holštajn frizijskih krava u Vojvodini. Mljekarstvo, 64(2), 79-85.

Povezanost genotipova transferina i proizvodnih osobina holštajn frizijskih krava u Vojvodini. / Lukač, Dragomir; Vidović, Vitomir; Žolt, Nemeš; Zsolnai, A.; Stevanović, Milena; Bán, Beáta.

In: Mljekarstvo, Vol. 64, No. 2, 2014, p. 79-85.

Research output: Contribution to journalArticle

Lukač, D, Vidović, V, Žolt, N, Zsolnai, A, Stevanović, M & Bán, B 2014, 'Povezanost genotipova transferina i proizvodnih osobina holštajn frizijskih krava u Vojvodini', Mljekarstvo, vol. 64, no. 2, pp. 79-85.
Lukač, Dragomir ; Vidović, Vitomir ; Žolt, Nemeš ; Zsolnai, A. ; Stevanović, Milena ; Bán, Beáta. / Povezanost genotipova transferina i proizvodnih osobina holštajn frizijskih krava u Vojvodini. In: Mljekarstvo. 2014 ; Vol. 64, No. 2. pp. 79-85.
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abstract = "The aim of this study was to identify genotypes of transferrin, evaluate their frequency in population of Holstein-Friesian cows, and to study association of transferrin genotypes with productivity of cows. Blood samples were collected from 249 healthy adult Holstein cows, daughters of 18 sires, reared at farm in Vojvodina. The nine transferrin (Tf) genotypes were identified: three (transferrin AA, D1D1 and D2D2) of these were homozygous and the remaining six (transferrin AD1, AD2, AE, D1D2, D1E and D2E) heterozygous. The frequencies of genotypes AD2, D1D2, D2D2 and AD1 were 0.29, 0.20, 0.17, and 0.11, respectively, while the other genotypes had frequencies below 0.11. The frequency of alleles A, D1, D2 and E, which was derived from the frequency of genotypes, was 0.30 for allele A, 0.19 for allele D1, 0.45 for allele D2 and 0.06 for allele E. In the analyzed population, cows Tf genotype D2E, AD2, D2D2, and D1D2 had the highest average of milk and milk fat yield in the first three standard lactation, while cows genotype AA, AD1 and D1E had the least amount. Analysis of variance showed that Tf genotype had a non-significant effect in the case of milk fat. However, cows which showed the highest performance for milk fat yield in three standard lactations were phenovarients Tf D2E, AD2, D2D2 and D1D2 in the analyzed population. Based on these results, the general conclusion can be made that the cows with Tf genotype AD2 recorded best results in all observed traits, and that cows which were heterozygous for Tf gene had higher milk yield and milk fat than the cows homozygous for Tf gene.",
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AB - The aim of this study was to identify genotypes of transferrin, evaluate their frequency in population of Holstein-Friesian cows, and to study association of transferrin genotypes with productivity of cows. Blood samples were collected from 249 healthy adult Holstein cows, daughters of 18 sires, reared at farm in Vojvodina. The nine transferrin (Tf) genotypes were identified: three (transferrin AA, D1D1 and D2D2) of these were homozygous and the remaining six (transferrin AD1, AD2, AE, D1D2, D1E and D2E) heterozygous. The frequencies of genotypes AD2, D1D2, D2D2 and AD1 were 0.29, 0.20, 0.17, and 0.11, respectively, while the other genotypes had frequencies below 0.11. The frequency of alleles A, D1, D2 and E, which was derived from the frequency of genotypes, was 0.30 for allele A, 0.19 for allele D1, 0.45 for allele D2 and 0.06 for allele E. In the analyzed population, cows Tf genotype D2E, AD2, D2D2, and D1D2 had the highest average of milk and milk fat yield in the first three standard lactation, while cows genotype AA, AD1 and D1E had the least amount. Analysis of variance showed that Tf genotype had a non-significant effect in the case of milk fat. However, cows which showed the highest performance for milk fat yield in three standard lactations were phenovarients Tf D2E, AD2, D2D2 and D1D2 in the analyzed population. Based on these results, the general conclusion can be made that the cows with Tf genotype AD2 recorded best results in all observed traits, and that cows which were heterozygous for Tf gene had higher milk yield and milk fat than the cows homozygous for Tf gene.

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