Prepartum dietary management of energy intake affects postpartum intake and lactation performance by primiparous and multiparous Holstein cows

Journal of Dairy Science
N A Janovick, J K Drackley

Abstract

An experiment was conducted to determine the effect of plane of energy intake prepartum on postpartum performance. Primiparous (n=24) and multiparous (n=23) Holsteins were randomly assigned by expected date of parturition to 1 of 3 prepartum energy intakes. A moderate energy diet [1.63 Mcal of net energy for lactation (NE(L))/kg; 15% crude protein (CP)] was fed for either ad libitum intake (OVR) or restricted intake (RES) to supply 150 or 80% of National Research Council (2001) energy requirement, respectively, for dry cows in late gestation. To limit energy intake to 100% of NRC requirement at ad libitum dry matter intake (DMI), chopped wheat straw was included as 31.8% of dry matter (DM) in a control diet (CON; 1.21 Mcal of NE(L)/kg of DM; 14% CP). Multiparous and primiparous cows assigned to OVR gained body condition during the dry period [initial body condition score (BCS)=3.3], but were not overconditioned by parturition (BCS=3.5). Multiparous cows in the OVR group lost more BCS postpartum than multiparous RES or CON cows. Primiparous cows lost similar amounts of BCS among dietary treatment groups postpartum. Addition of chopped wheat straw to CON diets prevented a large decrease in DMI prepartum in both primiparous and mu...Continue Reading

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Citations

Oct 4, 2012·Animal : an International Journal of Animal Bioscience·S SeoJ J Loor
May 23, 2014·Animal : an International Journal of Animal Bioscience·J K Drackley, F C Cardoso
May 4, 2016·The British Journal of Nutrition·Arash ShahsavariRafat Al Jassim
Aug 4, 2015·Journal of Dairy Science·M T KarimiJ K Drackley
Sep 7, 2016·Frontiers in Veterinary Science·Karen M LuchterhandMarcia I Endres
Jun 21, 2016·Journal of Dairy Science·J A D R N AppuhamyP J Kononoff
Jan 1, 2013·Polish Journal of Veterinary Sciences·W NowakK Drzazga
Jun 17, 2018·The Veterinary Record·Mayumi FujiwaraKenneth M D Rutherford
Nov 6, 2018·Animals : an Open Access Journal From MDPI·Melissa C CantorJeffrey M Bewley
Jul 3, 2013·Journal of Dairy Science·F C CardosoJ K Drackley

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