| a cross-sectional study of reproductive performance of smallholder dairy cows in coastal tanzania. | a retrospective cross-sectional study was conducted on 200 randomly selected smallholder farms from a mixed dairy farming system in tanga, tanzania, between january and april 1999. we estimated the frequency and determinants of long calving interval (lci), retention of fetal membrane (rfm), dystocia, and abortion in smallholder crossbred cattle and explored birth trends. the mean calving interval was 500 days and birth rate was 65 per 100 cow-years. dystocia was reported to affect 58% of calving ... | 2005 | 16248223 |
| productivity of crossbred dairy cows suckling their calves for 12 or 24 weeks post calving. | an experiment on restricted suckling of crossbred dairy cows was conducted at the livestock research centre, tanga in northeast tanzania. thirty-six bos taurus (holstein friesian and jersey) x bos indicus (east african zebu) cows were allocated alternately as they calved to suckling their calves for either 12 or 24 weeks after calving. cows grazed improved pastures and were offered 4 kg concentrate daily. milking occurred twice daily by hand; calves were allowed to suck residual milk for 30 min ... | 2004 | 15643812 |
| post-partum reproductive performance of crossbred dairy cattle on smallholder farms in sub-humid coastal tanzania. | the objective of this study was to monitor the reproductive performance of dairy cows in smallholder farms under the tanga dairy development project (tddp). the findings can be used to improve reproductive efficiency. dates of oestrus, artificial insemination (ai) or service by bull and calving were recorded, and pregnancy was diagnosed by rectal palpation. daily milk yields, monthly body condition score (bcs) measured on the scale of 1-9, feed availability, calf rearing, and diseases were also ... | 2004 | 15080542 |
| the slaughter of increased numbers of pregnant cows in tanga abattoir, tanzania: a cause for concern? | information on the level of foetal wastage in slaughtered cattle in tanzania is limited. a three-month observational study (april - june 2014) of animals slaughtered at the tanga abattoir in tanga region, tanzania was carried out to determine the number of pregnant cows slaughtered. the total number of cattle slaughtered during the study period was 3643, representing a monthly kill average of 1214 and a daily kill average of 40. over 98% of the cattle presented to the abattoir for slaughter were ... | 2015 | 26304169 |
| a survey of zoonotic diseases in trade cattle slaughtered at tanga city abattoir: a cause of public health concern. | to estimate the prevalence of hydatidosis, cysticercosis, tuberculosis, leptospirosis, brucellosis and toxoplasmosis in slaughtered bovine stock (aged ±3 years) at tanga city abattoir, tanzania. | 2012 | 23569835 |