The efficacy of milk ejection induced by luteal oxytocin as a method of early pregnancy diagnostics in cows
2010
Grizelj, J., Faculty of Veterinary Medicine, Zagreb (Croatia) | Katana, B., Veterinary Station, Odžak (Bosnia and Herzegovina) | Dobranić, T., Faculty of Veterinary Medicine, Zagreb (Croatia) | Prvanović, N., Faculty of Veterinary Medicine, Zagreb (Croatia) | Lipar, M., Faculty of Veterinary Medicine, Zagreb (Croatia) | Vince, S., Faculty of Veterinary Medicine, Zagreb (Croatia) | Stanin, D., Faculty of Veterinary Medicine, Zagreb (Croatia) | Đuričić, D., Veterinary Station, Đurđevac (Croatia) | Gregurić-Gračner, G., Faculty of Veterinary Medicine, Zagreb (Croatia) | Samardžija, M., Faculty of Veterinary Medicine, Zagreb (Croatia)
It could be concluded that the positive diagnosis of early pregnancy in cows could be obtained with same reliability using progesterone rapid diagnostic tests and by the milk ejection test based on the release of luteal oxytocin induced by intravenous administration of a non luteolytic dose of prostaglandin. Although the accuracy of milk ejection test in detecting open cows, is significantly lower, the low price and simplicity of this method in comparison with the fast progesterone tests in milk samples, allow its use in practice.
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