Relationships among ketosis, serum metabolites, body condition, and reproductive outcomes in dairy cows

We determined the relationships among ketosis, serum metabolites, body condition, and reproductive disorders and performance in dairy cows. Blood samples from 213 dairy cows were collected at 4 and 2 weeks prepartum, just after calving, and at 1, 2, 4, 6, and 8 weeks postpartum to measure serum β-hy...

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Bibliographic Details
Published in:Theriogenology 2015-07, Vol.84 (2), p.252-260
Main Authors: Shin, Eun-Kyung, Jeong, Jae-Kwan, Choi, In-Soo, Kang, Hyun-Gu, Hur, Tai-Young, Jung, Young-Hun, Kim, Ill-Hwa
Format: Article
Language:English
Subjects:
3-Hydroxybutyric Acid - blood
Animals
Aspartate Aminotransferases - blood
Blood Glucose - analysis
Blood Urea Nitrogen
Body Composition - physiology
Body condition score
Cattle
Cattle Diseases - diagnosis
Cattle Diseases - epidemiology
Cattle Diseases - physiopathology
Dairy cows
Endometritis - diagnosis
Endometritis - epidemiology
Endometritis - veterinary
Estrous Cycle - physiology
Fatty Acids, Nonesterified - blood
Female
Ketosis
Ketosis - physiopathology
Ketosis - veterinary
Ovarian Cysts - diagnosis
Ovarian Cysts - epidemiology
Ovarian Cysts - veterinary
Postpartum Period - blood
Pregnancy
Reproduction - physiology
Reproductive outcome
Serum metabolite
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Summary:We determined the relationships among ketosis, serum metabolites, body condition, and reproductive disorders and performance in dairy cows. Blood samples from 213 dairy cows were collected at 4 and 2 weeks prepartum, just after calving, and at 1, 2, 4, 6, and 8 weeks postpartum to measure serum β-hydroxybutyrate, nonesterified fatty acids (NEFAs), glucose, total cholesterol, urea nitrogen, aspartate aminotransferase, γ-glutamyltransferase, and progesterone concentrations. Cows were grouped on the basis of the β-hydroxybutyrate concentration at 1 and/or 2 weeks postpartum into two groups: the ketotic group (≥1200 μmol/L, n = 59) and the nonketotic group (50% pus), and subclinical endometritis was diagnosed by evaluation of uterine cytology (>18% neutrophils) at 4 weeks postpartum. Ovarian cysts were diagnosed by ultrasonography, and resumption of postpartum cyclicity was evaluated by progesterone concentrations (≥1 ng/mL) at 4, 6, and 8 weeks postpartum. In the ketotic group, NEFA levels were higher (P ≤ 0.0005), whereas glucose (P 
ISSN:0093-691X
1879-3231
DOI:10.1016/j.theriogenology.2015.03.014