Table 3

The associations (standard error in parenthesis) between the TLR4-2021 genotypes and milk composition variables in cows within early, mid and late lactation

Genotype1


Trait

Lactation Stage (days)

Mean Trait Value2

TT

TC

CC

P-value


Protein Percentage3 (*1000)

1 - 70

34.3 (3.3)

0

-0.15 (0.78)

1.07 (0.98)

NS

71 - 140

35.6 (3.9)

0

0.92 (0.82)

0.09 (1.04)

NS

141 - 305

39.3 (4.5)

0

0.23 (0.39)

-1.17 (0.51)

< 0.001

Fat Percentage3 (*1000)

1 - 70

42.9 (6.4)

0

0.12 (0.32)

-0.26 (0.41)

NS

71 - 140

41.6 (7.9)

0

-0.06 (0.35)

-0.61 (0.44)

NS

141 - 305

47.4 (9.2)

0

1.45 (0.91)

-1.06 (1.15)

< 0.01


1 Referent class is the TT genotype and is compared with the CT and CC genotype

2 Mean values observed for each phenotype investigated (standard deviation in parenthesis)

3 A value of 1, before multiplication, equates to 1 percentage unit

NS = Not significant

Beecher et al. BMC Genetics 2010 11:99   doi:10.1186/1471-2156-11-99

Open Data