A study conducted to evaluate seasonality in the reproductive status of Ethiopian highland sheep using slaughter animals.
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A study conducted to evaluate seasonality in the reproductive status of Ethiopian highland sheep using slaughter animals.
Analyses reproductive data on 4123 inseminations from 2332 breeding records of 1237 Arsi (Bos indicus) cows, collected between 1982 and early 1989 from the Gobe ranch of the Ethiopian Ministry of Agriculture where cows were kept under similar management; and concludes that long post partum anoest...
Gondal and extragonadal sperm reserves were determined in testicular and epididymal tissues obtained from ten Small East African Zebu (SEAZ), ten unimproved Borana and nine improved Boran bulls. Bulls were mature and were between 6 and 8 years of age. Body weight and scrotal circumference differe...
Discusses the progress of a research project underway at Debre Berhan ILCA station carried out to study the effect of dietary supplementation and endo-parasitic control on the reproductive and productive performance of Menz-type sheep.
Investigates progesterone levels during the oestrous cycle of Ethiopian Menz ewes using the ELISA technique and establishes minimum progesterone values that could be adopted in investigations on anoestrus, pregnancy diagnosis and prenatal reproductive wastage.
Examines the effect of four levels of nutrition (poor, low, medium, and high) with or without endoparasitic treatment (drenching) on postweaning growth, survival and onset of puberty in Menz ewe lambs. A concentrate mixture providing 2.5 Mcal/kg dry matter (DM) metabolizable energy and 15.2 g/kg ...
Reviews the reproductive biology of cows with emphasis on Bos indicus (Zebu) cattle. Presents the reproductive anatomy and endocrinology of the cow. Examines changes that occur at puberty, during oestrous cycle and at pregnancy. Describes measures of reproductive performance, causes of infertilit...
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