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Biomedical subjects

B Capper

Publications and source records attributed to B Capper.

4 recordsLinked to original sources

Effect of age on fattening and body condition of draught oxen fed teff straw (Eragrostis teff) based diets.

Twenty-four Ethiopian Highland Zebu (Bos indicus) oxen were allocated to 6 groups of 4 animals each on the basis of liveweight, age and body condition according to a completely randomised block design. The animals were group-fed an experimental diet consisting of (g/kg) 551 g concentrate and 449 g teff straw, at the rate of 2.5 kg per 100 kg of liveweight for 18 weeks. They were weighed and condition scored weekly. Feeding levels were adjusted weekly. The daily liveweight gain of each animal was estimated using regression analysis and changes in condition score evaluated. Age significantly affected the liveweight gains and body condition score changes of the oxen. There was a significant (P < 0.001) linear effect of age on average liveweight gain. The average daily gains were 0.62, 0.51 and 0.41 kg/day for animals aged 4 to 5, 7 to 8 and 10 to 11 years respectively. Age exhibited a significant (P < 0.05) quadratic effect on body condition changes. The results are discussed in terms of benefits from traction and fattening and farm system implications of fattening younger animals for reproduction and improved feeding.

Age Factors↗

Oral condyloma acuminatum or venereal wart. Case report.

Oral condyloma acuminatum or venereal wart is an infectious disease of the oral mucosa caused by a virus similar or identical to that causing Verrucae vulgaris and plantaris. It consists of papillomatous projections with marked parakeratosis or keratosis and acanthotic epithelial downgrowths. Vacuolated cells are often a feature of the stratum spinosum. Criteria for the differential diagnosis and surgical management of this condition are presented.

Adult↗

Beef cattle productivity under traditional and improved management in Botswana.

A comparison of productivity over a 4-year period from indigenous type beef cattle under two production systems in Botswana is reported. The two systems are: the traditional system on unenclosed communal grazing (cattle post) and ranching within fenced paddocks. Calving percentages, 7-month old calf weight, calf mortality and post-weaning growth to 18 months of age under cattle post conditions were 46.4 per cent, 122.5 kg, 10.2 percent and 88.5 kg respectively. Corresponding figures for cattle on the fenced ranches were 74.0 per cent, 177.4 kg, 8.5 per cent and 105.8 kg. These results indicate overall productivity estimates of 51 and 120 kg of weaner calf per cow per year and 86 and 188 kg of 18-month old calf per cow per year for the cattle post and fenced ranch respectively.

Animal Husbandry↗