Genetic group

No. of Does

Lac records

a (kg)

b

c

s

Time to peak yield (wk)

peak day yield(kg)

120d yield (kg)

R²

(%)

0% Alpine

53

124

0.345 ± 0.028^*

0.149 ± 0.15^*

0.082 ± 0.037^*

2.87^ns

2

0.3249

38.989

85

50% Alpine

93

518

0.733 ± 0.028^*

0.057 ± 0.04^*

0.014 ± 0.007^ns

4.51^*

4

0.7501

90.009

91

75% Alpine

157

861

0.721 ± 0.040^*

0.292 ± 0.06^*

0.049 ± 0.009^ns

3.90^ns

6

0.9067

108.807

86

87.5% Alpine

137

867

0.813 ± 0.022^*

0.248 ± 0.03^*

0.042 ± 0.004^*

3.96^**

6

0.9855

118.256

89

>87.5% Alpine

170

362

0.813 ± 0.045^*

0.216 ± 0.06^*

0.028 ± 0.009^*

4.35^ns

8

1.0184

122.214

90