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. 2014 Jun 5;9(6):e98928. doi: 10.1371/journal.pone.0098928

Table 3. Regression coefficients of dam traits on daughter milking performance.

Breed Prenatal Environment indicator trait Lactation Regression Coefficient
Volume (litres) Fat (kg) Protein (kg)
Jersey Dam milk volume (litres) 1 7.95±0.60** 0.14±0.03** 0.16±0.02**
2 9.18±0.79** 0.02±0.01* 0.18±0.03**
Dam Fat % 1 −36.2±2.8** 0.84±0.13** −0.41±0.09**
2 −28.9±4.0** 0.77±0.17** −0.83±0.12**
Dam protein % 1 −29.8±3.8** −0.01±0.17ns −0.04±0.12ns
2 −36.7±4.8** −0.12±0.22ns −0.08±0.16ns
Holstein Friesian Dam milk volume (litres) 1 5.71±0.32** −0.02±0.01* 0.07±0.10ns
2 7.08±0.44** −0.01±0.02ns 0.09±0.01**
Dam Fat % 1 −53.4±2.4** 2.29±0.10** −0.39±0.07**
2 −79.7±3.2** 2.39±0.13** −0.83±0.10**
Dam protein % 1 −47.9±3.5** 0.87±0.14** 0.33±0.10**
2 −65.4±4.6** 0.70±0.18** 0.16±0.14ns

Standard errors are given for each estimate.

**P<0.01;

*P<0.05;

ns = not significantly different from zero.