Determination of the effect of a monensin capsule (continuous-release capsules) on metabolic parameters in transition dairy cows
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Date
2020-06-01
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Polish Society Veterinary Sciences
Abstract
Monensin is an ionophore antibiotic that changes the population of rumen bacteria. The aim of this study was to determine the effects of a monensin controlled-release capsule administered 3 weeks before calving on blood metabolites (serum beta-hydroxybutiric acid (BHBA), cholesterol (CHOL), urea, creatinine (CREA), gamma glutamyl transferase (GGT), aspartate aminotransferase (AST), total protein (TP), phosphorus (P), magnesium (Mg+), calcium (Ca++), glucose (GLU) and plasma non-esterified fatty acids (NEFA) concentration) and milk yield before and after calving. A total of 50 Holstein-Friesian cows were selected from the same flock. Blood samples were taken 3 weeks before the expected calving date and during weeks 1, 2, 4, 6, and 8 after calving. The cows were divided into two groups: a study group (Group M, n = 40) and a control group (Group C, n = 10). Group M received orally a cylindrical device (Kexxtone, ELANCO Animal Health, Guelph, ON, Canada), and group C received no treatment. BHBA and NEFA were lower (P < 0.05) in group M compared with group C in weeks 6 and 8 after calving. GLU was higher (P < 0.05) in group M compared with group C in week 4 after calving. Urea was higher (P < 0.05) in group M compared with group C in week 1 after calving. There was no statistically significant difference (P <0.05) between the two groups in milk yields. Although milk yield was similar in both groups, the changes in the concentrations of BHBA, NEFA, GLU and urea show that a monensin CRC could be used as a glycogenic precursor.
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Keywords
Monensin, Transition period, Metabolites, Milk yield, Negative-energy balance, Dry-matter intake, Reproductive-performance, Milk-production, Subclinical ketosis, Sodium monensin, Fatty liver, Prepartum, Cattle, Supplementation
Citation
Kasap, S. vd. (2020). "Determination of the effect of a monensin capsule (continuous-release capsules) on metabolic parameters in transition dairy cows". Medycyna Weterynaryjna, 76(9), 512-516.