Metabolic balance and reproductive performance in Finnish dairy cows

Zentralblatt für Veterinärmedizin. Reihe A
P V Miettinen

Abstract

The relationships between energy level and reproductive performance were studied in 24 dairy cows, which were fed grass silage. Serum glucose and blood acetoacetate (AA) and beta-hydroxybutyrate (HB) were measured 10, 15, 30 and 50 days postpartum. The cows were examined clinically by rectal palpation 3 times a week during 8 weeks postpartum. The time required for the complete uterine involution and the onset of ovarian activity were recorded. The pregnancy rate at the first insemination and the interval from calving to conception were obtained for each cow. The correlations between blood glucose and ketone bodies were negative, but they were significant only at days 15 and 30 for AA and at day 30 for HB. A low energy level in early puerperium caused a delay in uterine involution and in the onset of ovarian activity. The low energy balance in puerperium prolonged the interval from calving to the first insemination and the interval from calving to conception. The earlier the ovarian activity started the shorter was the interval from calving to conception. The energy level in early puerperium had a greater influence on the interval from calving to conception, whereas in late puerperium it was more important with regard to the int...Continue Reading

References

Feb 1, 1977·The Journal of Dairy Research·G J RowlandsB A Kitchenham
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Nov 1, 1971·Journal of Animal Science·S L Oxenreider, W C Wagner
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Citations

Aug 22, 2008·Tropical Animal Health and Production·Nongasida YameogoGermain Jerome Sawadogo
Jan 27, 2010·Biological Trace Element Research·Zhigang ZhangZhe Wang
Sep 1, 2000·Theriogenology·C FourichonX Malher
Jul 1, 1991·Zentralblatt für Veterinärmedizin. Reihe A·P V MiettinenJ J Setälä
Mar 1, 1994·Zentralblatt für Veterinärmedizin. Reihe A·P V Miettinen
Jun 19, 2007·Theriogenology·Emmanuel TillardFrançois Bocquier
Sep 19, 2002·The Journal of Veterinary Medical Science·Victor Chisha ZuluYutaka Sawamukai

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