Effects of season on plasma progesterone profiles in repeat breeding cows
نویسندگان
چکیده
منابع مشابه
Effects of season on plasma progesterone profiles in repeat breeding cows
Forty six Holstein Friesian repeat breeding cows (the average AI/conception was 5.2 ± 0.2) were investigated using the progesterone assay after AI to determine possible differences in plasma progesterone profiles between summer and winter seasons. Twenty eight (60.9%) and 18 (39.1%) cows were followed in summer (June–August) and winter (December–February), respectively. In the summer season, th...
متن کاملOestrus Duration and Status of Reproductive Organs in Repeat Breeding Cows
The present study was conducted to see the effect of non-specific genital infections and ovulatory disturbances on clinical signs of oestrusnamely oestrus duration, tonicity of uterus, relaxation of cervix and persistence of follicle. The mean values of oestrus duration, tonicity of uterus and relaxation of cervix varied significantly (P
متن کاملPlasma mineral profiles and hormonal activities of normal cycling and repeat breeding crossbred cows: A comparative study
AIM The present study was carried out to compare the associated role of micro minerals and hormones in repeat breeding animals with the normal crossbred cows. MATERIALS AND METHODS Blood samples were collected from 10 normal cycling and 10 repeat breeding crossbred cows of Ramakrishna Mission Ashram, Narendrapur to study the plasma mineral profile and hormonal activities. RESULTS Zn was fou...
متن کاملTreatment of Repeat Breeding in Dairy Cows with Lugol’s Iodine
This study was carried out to see whether the uteri of dairy cows suffering from repeat breeder syndrome are infected with bacteria or not. Furthermore, the efficacy of intra-uterine infusion of diluted Lugol’s iodine to treat this syndrome was tested by studying two reproductive traits, the rate of service per conception and the length of the days open (DO). Sixty cross-bred dairy cows that we...
متن کاملEffects of Protected Fat on Plasma Concentrations of Cholesterol and Progesterone in Lactating Dairy Cows
Concentrations of total cholesterol and progesterone were measured in early lactating dairy cows fed either a control diet or a diet containing a protected fat (1.8% on a OM basis) between weeks 4 and 12 post pactum. All cows were fed the control diet from parturition to week 4 post partum. Plasma samples were collected twice weekly. Plasma total cholesterol and progesterone were greater in cow...
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ژورنال
عنوان ژورنال: Veterinární Medicína
سال: 2016
ISSN: 0375-8427,1805-9392
DOI: 10.17221/8174-vetmed