Dietary structural to nonfiber carbohydrate concentration during the transition period in grazing dairy cows

Journal of Dairy Science
J R RocheC R Burke

Abstract

A study was conducted to evaluate the potential effects of altering the proportion of dietary structural carbohydrate (SC) relative to nonfiber carbohydrate (NFC) pre- and postpartum on milk production and the circulating concentrations of hormones and metabolites. Dietary treatments were arranged as a 2 x 2 factorial, with 68 multiparous cows assigned to isoenergetic diets [114 MJ of metabolizable energy (ME)/cow per d] precalving; diets were either fresh pasture and pasture silage (PreP) or pasture and pasture silage supplemented with 3 kg dry matter (DM)/cow per d of a corn- and barley-based concentrate for 36 d prepartum (PreC). Final treatments were 13 or 32% DM NFC, respectively. After calving, cows within each prepartum diet were assigned to isoenergetic diets (179 MJ of ME/cow per d) differing in their SC and NFC content. Postcalving diets were either fresh pasture and pasture silage (PostP) or pasture and pasture silage supplemented with 5 kg DM/cow per d of a corn- and barley-based concentrate (PostC) until 35 d in milk. Final treatments were 18 and 38% DM NFC, respectively. Relative to day of calving (d 0), blood samples were collected at least weekly from d -28 to d 35. During the prepartum period, PreC cows had low...Continue Reading

References

Jan 1, 1979·Journal of Dairy Science·T Sakata, H Tamate
Jul 1, 1992·Journal of Dairy Science·S J BerticsE E Stoddard
Jun 1, 1970·Journal of Dairy Science·D A Corse, J M Elliot
Sep 1, 1965·Journal of Dairy Science·H F Tyrrell, J T Reid
Jan 1, 1995·Journal of Reproduction and Fertility·J A DowningR J Scaramuzzi
Mar 5, 2003·Journal of Dairy Science·F BargoJ E Delahoy
Jul 1, 1963·The Biochemical Journal·C N HALES, P J RANDLE
Sep 18, 2004·Journal of Dairy Science·J R RocheM J VanBaale
Dec 2, 2006·Domestic Animal Endocrinology·Mark A FenwickD Claire Wathes
May 23, 2007·Journal of Dairy Science·F-Q Zhao, A F Keating

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Citations

Sep 27, 2007·Lipids in Health and Disease·Anna HaugOdd M Harstad
Nov 21, 2017·Journal of Dairy Science·J R RocheK L Macmillan
Jul 23, 2013·Journal of Dairy Science·J R RocheJ R Webster
Mar 6, 2019·Animal : an International Journal of Animal Bioscience·A MendozaD Cavestany
Sep 22, 2020·International Journal of Veterinary Science and Medicine·W KaewlamunA A Ponter

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