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Effects of dry period length on milk production and energy balance in two cow breeds

التفاصيل البيبلوغرافية
العنوان: Effects of dry period length on milk production and energy balance in two cow breeds
المؤلفون: E. Andrée O’Hara, A. Omazic, I. Olsson, R. Båge, U. Emanuelson, K. Holtenius
المصدر: Animal, Vol 12, Iss 3, Pp 508-514 (2018)
بيانات النشر: Elsevier, 2018.
سنة النشر: 2018
المجموعة: LCC:Animal culture
مصطلحات موضوعية: dry matter intake, feed efficiency, early lactation, body condition, milk composition, Animal culture, SF1-1100
الوصف: Shortening the dry period (DP) has been proposed as a strategy to improve energy balance (EB) in cows in early lactation. This study evaluated the effects of shortening the DP on milk yield (MY), EB and residual feed intake (RFI) in two breeds; Swedish Red (SR) and Swedish Holstein (SH). Cows were blocked by breed and parity and then randomly assigned to one of two treatments; short DP of 4 weeks (4W, n=43) or conventional DP of 8 weeks (8W, n=34). Cows were kept and fed under the same conditions, except for the 4 weeks when the 4W group were still lactating prepartum and thus kept with the lactating cows. Milk yield and BW were recorded and body condition score (BCS) was rated from 10 weeks prepartum to 12 weeks postpartum. Dry matter intake (DMI) was recorded for lactating cows postpartum. Milk yield was reduced by 6.75 kg/day during the first 12 weeks postpartum (P
نوع الوثيقة: article
وصف الملف: electronic resource
اللغة: English
تدمد: 1751-7311
17517311
Relation: http://www.sciencedirect.com/science/article/pii/S1751731117001987; https://doaj.org/toc/1751-7311
DOI: 10.1017/S1751731117001987
URL الوصول: https://doaj.org/article/40e24d0e7f8640308c8fdb72eb43d8ea
رقم الأكسشن: edsdoj.40e24d0e7f8640308c8fdb72eb43d8ea
قاعدة البيانات: Directory of Open Access Journals
الوصف
تدمد:17517311
DOI:10.1017/S1751731117001987