Articles | Volume 64, issue 1
Arch. Anim. Breed., 64, 245–256, 2021
Arch. Anim. Breed., 64, 245–256, 2021

Original study 07 Jun 2021

Original study | 07 Jun 2021

Variation in bovine leptin gene affects milk fatty acid composition in New Zealand Holstein Friesian  ×  Jersey dairy cows

Ishaku Lemu Haruna et al.

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Cited articles

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Avondo, M., Trana, A. D., Valenti, B., Criscione, A., Bordonaro, S., Angelis, A. D., Giorgio, D., and Gregorio, P. D.: Leptin Gene Polymorphism in Goats Fed with Diet at Different Energy Levels: Effects on Feed Intake, Milk Traits, Milk Fatty Acids Composition, and Metabolic State, Anim., 9, 424,, 2019. 
Byun, S. O., Fang, Q., Zhou, H., and Hickford, J. G. H.: An effective method for silver-staining DNA in large numbers of polyacrylamide gels, Anal. Biochem., 385, 174–175,, 2009. 
Chilliard, Y., Ferlay, A., and Doreau, M.: Effect of different types of forages, animal fat or marine oils in cow's diet on milk fat secretion and composition, especially conjugated linoleic acid (CLA) and polyunsaturated fatty acids, Livest. Prod. Sci., 70, 31–48,, 2001. 
Dewhurst, R. J., Shingfield, K. J., Lee, M. R. F., and Scollan, N. D.: Increasing the concentrations of beneficial polyunsaturated fatty acids in milk produced by dairy cows in high-forage systems. Anim. Feed Sci. Technol., 131, 168–206,, 2006. 
Short summary
The polymerase chain reaction (PCR) coupled with single-strand conformational polymorphism (SSCP) analysis was used to reveal variation in bovine leptin gene (LEP) in New Zealand (NZ) Holstein Friesian × Jersey (HF × J) dairy cows. This is the first report of findings of this kind in NZ HF × J cows, and they suggest that variation in exon 3 of bovine leptin gene could be explored as a means of decreasing the concentration of saturated fatty acids in milk.