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Table 7 Average daily milk production and milk composition of multiparous crossbred dairy ewes exposed to a short or long photoperiod during the prepartum period

From: Dairy sheep production research at the University of Wisconsin-Madison, USA – a review

 

Trial period (53 d)

Trial + post-trial period (180 d)

Trait

SDPP1

LDPP2

P

SDPP1

LDPP2

P

Milk, kg/d

2.43 ± 0.051

2.29 ± 0.051

0.053

1.76 ± 0.051

1.60 ± 0.050

0.031

Fat,%

6.04 ± 0.102

5.51 ± 0.104

0.000

6.28 ± 0.110

6.48 ± 0.107

0.216

Protein,%

4.61 ± 0.057

4.54 ± 0.057

0.448

5.23 ± 0.064

5.12 ± 0.062

0.241

  1. 1Short day prepartum photoperiod (8 h light: 16 h dark), n = 11.
  2. 2Long day prepartum photoperiod (16 h light: 8 h dark), n = 11.
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Journal of Animal Science and Biotechnology

ISSN: 2049-1891