نتایج جستجو برای: oestrus prevention
تعداد نتایج: 228350 فیلتر نتایج به سال:
A pilot experiment was carried out to define a method for oestrus detection for grouphoused sows based on sows' acceleration measurements. Acceleration data was measured for five sows, in three dimensions, four times per second during twenty days. The oestrus detection method is based on hourly averages of acceleration measurements, modeled using a univariate Dynamic Linear Model combined with ...
A series of experiments was conducted to investigate the effect of basal feed level and increased feed intake during oestrus on ovulation rate, early embryo survival, and residual pituitary LH potency in the pig. All the gilts used were fed 1\m=.\8kg food/day from puberty to second heat. Gilts whose food intake was reduced from 1\m=.\8kg to 1\m=.\4 kg/day following second heat had more atretic ...
Myiasis of different organs has been reported off and on from various regions in the world. We report a human case of external ophthalmomyiasis caused by the larvae of a sheep nasal botfly, Oestrus ovis, for the first time from Meerut city in Western Uttar Pradesh, India. A 25-year-old farmer presented with severe symptoms of conjunctivitis. The larvae, 3 in number, were observed in the bulbar ...
Ophthalmomyiasis in humans caused by the larvae of the sheep nasal botfly (Oestrus ovis) and is a rare phenomenon in Israel. We describe the utilization of the dermatoscope as a diagnostic tool for the facilitation of early diagnosis of conjunctivitis due to the infestation of the eyes by the sheep nasal botfly in two patients. After the physical removal of the larvae with the help of a cotton ...
A method for interpreting and analysing electromyographic (EMG) data of myometrial electrical activity was established. This method was used to study EMG activity in the uterus during the various stages of the oestrus cycle in mares. Recordings were analysed from four pairs of electrodes that were surgically implanted in the myometrium of four reproductively sound mares. The electrodes were pla...
The Sumatran rhinoceros (Dicerorhinus sumatrensis) is on the verge of extinction in Malaysia. At the Sumatran rhinoceros Conservation Centre in Sungai Dusun, the reproductive behaviour of two female and two male rhinoceroses were studied for 8-10 months during attempts to breed them in captivity. Due to the paucity of scientific information on the reproductive biology of the Sumatran rhinoceros...
Fourteen seasonally anoestrous, non-lactating fallow does were each treated with an intravaginal progesterone device for 14 days followed by a subcutaneously implanted osmotic minipump delivering synthetic GnRH at doses of 125 ng/h (7 does) or 250 ng/h (7 does) for up to 7 days, about 6 weeks before the natural breeding season. One doe (low delivery rate) lost its intravaginal device and 6 of t...
The aim of this study was to investigate the efficacy of equine chorionic gonadotropin (eCG) and cloprostenol (CLO) administration on oestrus synchronisation, uterine development as well as serum LH and FSH concentrations in mice. One hundred and five KM mice were assigned into eCG-1, eCG-2, eCG-3, CLO-1, CLO-2, CLO-3 and control groups (CG, n = 15). The eCG-1, eCG-2 and eCG-3 groups were intra...
Ninety-four pregnant Yankasa ewes were divided into 3 groups and fed;(1) 0, (2) 200 or (3) 400 g/head/day of a concentrate supplement in addition to 6 h grazing daily, from 35.9±2.0 days before, 98. 122.0 after lambing the dry season between 2 Jan vary 15 May 1984 Zaria, Northern Nigeria. There no significant differences (P>0.05) bet den litter size adjusted birth weight initial experiment a...
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