A study undertaken to determine the progesterone concentration in the peripheral plasma of pregnant Ethiopian Zebu cows using the ELISA technique.
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A study undertaken to determine the progesterone concentration in the peripheral plasma of pregnant Ethiopian Zebu cows using the ELISA technique.
Compares individual as well as maternal traits of different breeds of Bos indicus and Bos taurus cattle interms of cow weight at parturition, weaning and at dif. stages after parturition, calf crop, viability and weight at dif. ages.
We report for the first time, and for the whole of sub-Saharan Africa, the geographical distribution and the frequency of an indicine and a taurine Y specific allele amongst African cattle breeds. A total of 984 males from 69 indigenous African populations from 22 countries were analysed at the m...
Presents the results of a study designed to characterize further the temporal patterns of oestrus onset and plasma progesterone profiles during the postpartum ovarian activitity in two groups of Ethiopian Bos indicus (Zebu) cows whose calves were either weaned at 4.5 months or at 7.5 months; repo...
The study was conducted to estimate model parameters of Incomplete Gamma (IG) (b=1) and Inverse Polynomial ¢P) functions of a lactation curve and the models lactation yield prediction potential based on milk data from Bako Agricultural Research centre and Debre Zeit Research Station. The models w...
A study conducted to estimate the combined effects of infrequent water consumption, extensive walking, and night enclosing on a growing and breeding cattle. Includes data on weight loss of lactating and dry cows, calf weight with age and dam treatment, weaner weights with age and treatment, dry m...
A total of 137 cycling Zebu cows, each receiving a single dose of prostaglandin PGF 2a were used in an oestrus synchronization programme on three different farms. Of the cows on the three farms, 60.6 and 90.5 percent showed over oestrus and luteolysis, respectively. Pregnancy rate to fixed time i...
The effects on intake of water availability and urea addition to rations based on molassed natural pasture hay and dry cowpea haulm were measured using 6 mature castrated male Zebu cattle of 343 kg mean iveweight, in an experiment carried out during the dry season in the semi-arid zone of central...
A study conduted to examine the response to supplementary phosphours by dairy calves fed a basal diet of native grass hay supplemented with urea-molasses mixture or a local oilseed cake, noug (nigerseed). Includes data on chemical composition, bodyweight gains, intake & digestibility, and bone qu...
Nine hundred and thirty-six East African Zebu village calves in an area of high trypanosomiasis risk in south-western Ethiopia were monitored monthly with their dams from birth to 3 years of age. Mean packed red cell volume (PCV) and the frequency of detected parasitaemia were calculated for each...
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