Short communication: Variable number of tandem repeat polymorphisms in DGAT1 gene of buffaloes (Bubalus bubalis) is associated with milk constituents

Journal of Dairy Science
D F CardosoHumberto Tonhati

Abstract

The diacylglycerol-O-transferase 1 gene is a positional and functional candidate for milk composition traits. The objective of this study was to evaluate the segregation of the variable number of tandem repeat polymorphisms in the regulatory region of diacylglycerol-O-transferase 1 gene in a water buffalo herd, and to assess the association of this mutation with milk production traits. For this purpose, 196 Murrah buffalo cows were genotyped by PCR. The association of the marker with total milk, fat, and protein yields at 305 d of lactation, milk fat and protein percentage, and somatic cell scores were evaluated by single-trait analyses using a generalized mixed model. Two segregating alleles were identified in the population. The allele with 2 repeats affected fat percentage favorably. The present results suggest that this polymorphism is an interesting marker to include in the genetic evaluation of buffaloes.

References

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Nov 15, 2012·Journal of Animal Breeding and Genetics = Zeitschrift Für Tierzüchtung Und Züchtungsbiologie·L O SenoH Tonhati

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Citations

Jul 30, 2016·Tropical Animal Health and Production·Ana Cláudia de FreitasHumberto Tonhati
Dec 1, 2020·Frontiers in Veterinary Science·Valentina Roldan-MontesHumberto Tonhati
Dec 5, 2020·Journal of Dairy Science·A V NascimentoH Tonhati

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