title: Effect of oral mineral and energy supplementation on blood mineral concentrations, energetic and inflammatory profile, and milk yield in dairy cows affected with dystocia.
abstract: The objectives of this study were to determine the effect of mineral/energy supplementation of dairy cows with dystocia on blood mineral concentrations, energetic and inflammatory profiles, and milk yield. Multiparous Holstein cows with dystocia were randomly assigned into two groups, (1) treated with a mineral/energy supplement (DME, n= 18) and (2) not treated (DNT, n= 22). A group of cows with normal parturition were randomly selected and were left untreated (NNT, n= 25). Cows in DME received an oral drench of 110 g of calcium and 400 g of propionate as calcium propionate plus 110 g potassium chloride and 150 g of magnesium sulfate administered within 6 h of calving and again 3 days post-partum. Compared to cows with a normal parturition, dystocic cows had decreased plasma calcium concentrations, increased plasma haptoglobin, decreased milk yield at 1 day post-partum, and tended to have increased rectal temperatures from 1 to 12 days post-partum. Compared with cows in DNT, those in DME had decreased plasma calcium concentrations and increased plasma magnesium concentrations 2 and 3 days post-partum, and a tendency for an increase in rectal temperature from 1 to 12 days post-partum. Dystocia is detrimental to calcium homeostasis post-partum, but mineral/energy supplementation as undertaken in this study is not recommended for use in cows with dystocia.
authors.affiliation: Department of Large Animal Clinical Sciences, University of Florida, Gainesville, FL 32610, USA.
authors.forename: M
authors.initials: M
authors.lastname: Benzaquen
authors.affiliation: Department of Large Animal Clinical Sciences, University of Florida, Gainesville, FL 32610, USA; D. H. Barron Reproductive and Perinatal Biology Research Program, University of Florida, Gainesville, FL 32610, USA. Electronic address: galvaok@ufl.edu.
authors.forename: K N
authors.initials: KN
authors.lastname: Galvão
authors.affiliation: Department of Large Animal Clinical Sciences, University of Florida, Gainesville, FL 32610, USA.
authors.forename: A E
authors.initials: AE
authors.lastname: Coleman
authors.affiliation: Department of Animal Sciences, University of Florida, Gainesville, FL 32610, USA.
authors.forename: J E P
authors.initials: JE
authors.lastname: Santos
authors.affiliation: Periparturient Diseases of Cattle Research Unit, USDA-Agricultural Research Service, National Animal Disease Center, Ames, IA 50010, USA.
authors.forename: J P
authors.initials: JP
authors.lastname: Goff
authors.affiliation: Department of Large Animal Clinical Sciences, University of Florida, Gainesville, FL 32610, USA.
authors.forename: C A
authors.initials: CA
authors.lastname: Risco
mesh_terms: D000818:Animals; D002417:Cattle; D002418:Cattle Diseases / Q000378:metabolism*; D019587:Dietary Supplements; D004420:Dystocia / Q000662:veterinary*; D002149:Energy Intake / Q000502:physiology*; D004734:Energy Metabolism / Q000502:physiology*; D005260:Female; D007774:Lactation / Q000187:drug effects; D008278:Magnesium Sulfate / Q000008:administration & dosage / Q000494:pharmacology; D008892:Milk / Q000737:chemistry; D008903:Minerals / Q000008:administration & dosage / Q000097:blood / Q000494:pharmacology*; D011189:Potassium Chloride / Q000008:administration & dosage / Q000494:pharmacology; D011247:Pregnancy; D011422:Propionates / Q000008:administration & dosage / Q000494:pharmacology
chemical_list: D008903:Minerals; D011422:Propionates; D011189:Potassium Chloride; D008278:Magnesium Sulfate; C514136:calcium propionate
keywords: Calcium supplementation; Dairy cows; Energy supplementation; Subclinical hypocalcemia