DGAT1 p.K232A polymorphism in dairy and dual purpose Italian cattle breeds

Figures & data

Table 1 Genotype and allele frequencies of the DGAT1 p.K232A polymorphism obtained in the analysed cattle breeds.

			Genotype frequencies (no. of animals)		Allele frequencies
Breeds	No. of animals	p.232KK	p.232AK	p.232AA	p.232K	p.232A
Italian Holstein	116	0.053 (6)	0.405 (47)	0.542 (63)	0.254	0.746
Italian Brown	105	0.000	0.000	1.000 (105)	0.000	1.000
Italian Simmental	95	0.000	0.011 (1)	0.989 (94)	0.005	0.995
Valdostana Red Pied	95	0.000	0.011 (1)	0.989 (94)	0.005	0.995
Rendena	62	0.000	0.016 (1)	0.984 (61)	0.008	0.992
Reggiana	128	0.000	0.334 (44)	0.656 (84)	0.172	0.828
Modenese	50	0.000	0.000	1.000 (50)	0.000	1.000

Table 2 Allele frequencies of the DGAT1 p.K232A polymorphism reported in different Holstein populations.

Holstein populations	No. of animals	p.232K	p.232A	Reference
Italy	43 sires + 73 cows	0.25	0.75	This study
Brazil	50 sires	0.27	0.73	Lacorte et al., 2006
China	234 cows	0.33	0.67	Xu et al., 2006
France	2259 sires	0.37	0.63	Gautier et al., 2007
Germany	72^*	0.42	0.58	Kaupe et al., 2004
Germany	1291 sires	0.55	0.45	Kaupe et al., 2007
Germany	833 sires^°	0.55	0.45	Thaller et al., 2003a
Greece	497 cows	0.62	0.38	Oikonomou et al., 2009
Hungary	250 cows	0.84	0.16	Anton et al., 2008
Israel	1038 sires^#	0.15	0.85	Weller et al., 2003
Mexico	196 cows	0.18	0.82	Hori-Oshima and Barreras-Serrano, 2003
New Zealand	1527 sires	0.60	0.40	Spelman et al., 2002
Poland	244 sires + 213 cows	0.57	0.43	Pareek et al., 2005
Poland	89 sires	0.54	0.46	Nowacka-Woszuk et al., 2008
Spain	499 cows^§	0.40	0.60	Tupac-Yupanqui et al., 2004
The Netherlands	1762 cows	0.40	0.60	Schennink et al., 2007
United Kingdom	571 cows	0.47	0.53	Banos et al., 2008

* Sex of the analysed animals was not reported.

° DGAT1 allele frequencies were estimated based on the maternal alleles of sons in a Granddaughter design.

# Estimated allele frequencies.

§ Daughters of 3 heterozygous sires.

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