PMID: 8585808Jan 1, 1995Paper

Food intake of dairy cows and heifers in late pregnancy during feeding of maize silage

Archiv für Tierernährung
M KirchgessnerF J Schwarz

Abstract

The influence of restricted (covering requirements) or ad libitum supply of maize silage in late pregnancy on feed intake was tested in two experiments with totally 51 dairy cows with several calvings (V1, V2 and in one experiment with 14 heifers (V3). Experimental time were the last 8 weeks before the expected calving date and was equivalent to the dry period of the cows. With adjusted feeding for energy requirement as a restricted supply the cows in V1 and V2 consumed 5.73 vs. 5.64 kg DM maize silage/animal and day, with ad libitum supply the intake of maize silage was substantial higher with an average of 9.65 vs. 9.85 kg DM/animal and day. With adjusted feeding for energy requirement as a restricted supply the heifers in V3 consumed 4.77 kg DM maize silage/animal and day. With ad libitum supply, however, the daily maize silage intake of heifers was substantial more with 7.00 kg DM/animal. With ad libitum feeding the mean daily intake of maize silage was unchanged in the weeks 8 to 3 before calving and decreased very strong in the cow experiments (V1, V2) in the last two weeks before calving and in the heifers experiment (V3) in the last week before calving. With restricted feeding the intake of maize silage was nearly uncha...Continue Reading

References

Apr 1, 1978·Journal of Dairy Science·R M EleyR W Adkinson
Jun 1, 1977·Journal of Dairy Science·J P MarquardtN A Jorgensen
Jul 1, 1992·Journal of Dairy Science·S J BerticsE E Stoddard

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