Skip to main content
padlock icon - secure page this page is secure

Milk protein polymorphisms in cattle (Bos indicus), mithun (Bos frontalis) and yak (Bos grunniens) breeds and their hybrids indigenous to Bhutan

Buy Article:

$52.00 + tax (Refund Policy)


In the current study, milk protein variation was examined in cattle (Bos indicus), mithun (Bos frontalis), yak (Bos grunniens) and their hybrid populations in Bhutan to estimate genetic variability, conduct genetic characterization and assess the possibility of gene flow between mithun and cattle. Isoelectric focusing of 372 milk samples from 11 populations detected four molecular types of β-lactoglobulin (A, B, E and M), five molecular types of αS1-casein (A, B, C, E and X) and three molecular types of k-casein (A, B and X). Mithun and yak shared alleles but were found to exhibit different allele frequencies for the proteins studied. The degree of genetic variability within populations was measured by average heterozygosity and ranged from 24–40% in cattle, 26% for yak and 33% for mithun. We also resolved the traditional mithun and cattle hybridization system via principal component analysis. Our results suggested secondary introgression of mithun genes to the village Thrabum population, and a close genetic relationship between Bhutanese indigenous cattle and Indian cattle.
No References
No Citations
No Supplementary Data
No Article Media
No Metrics

Keywords: Bhutan; cattle; milk protein; mithun; yak

Document Type: Research Article

Affiliations: 1: Graduate School of Bioagricultural Sciences, Nagoya University, Chikusa, Nagoya 2: Laboratory of Animal Breeding and Genetics, Faculty of Agriculture, Kobe University, Nada, Kobe 3: Primate Research Institute, Kyoto University, Inuyama, Japan

Publication date: October 1, 2010

  • Access Key
  • Free content
  • Partial Free content
  • New content
  • Open access content
  • Partial Open access content
  • Subscribed content
  • Partial Subscribed content
  • Free trial content
Cookie Policy
Cookie Policy
Ingenta Connect website makes use of cookies so as to keep track of data that you have filled in. I am Happy with this Find out more