Suboptimal reproductive performance of dairy cattle kept in smallholder herds in a rural highland area of northern Tanzania

  • Kanuya N
  • Kessy B
  • Bittegeko S
 et al. 
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Abstract

The objectives of the present study were to assess the reproductive performance and cumulative incidence risk of reproductive disorders and to compare the success of artificial insemination (AI) to natural service (by handmating; NS) in dairy cattle kept in smallholder herds under a zero-grazing system in a rural highland area of Tanzania. Data on occurrence of all normal and abnormal reproductive events were collected for 215 adult animals belonging to 74 households. The median and range of the intervals: intercalving, calving to first service, and calving to pregnancy were 477 (335-860), 154 (38-486) and 206 (61-567) days, respectively. Breed and parity did not affect the reproductive parameters (P>0.05). However, cows in the milked group had a shorter median calving interval than those in the suckled group (P

Author-supplied keywords

  • Artificial insemination
  • Cattle-reproduction
  • Reproductive performance
  • Smallholder
  • Zero-grazed

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Authors

  • N. L. Kanuya

  • B. M. Kessy

  • S. B.P. Bittegeko

  • N. S.Y. Mdoe

  • A. A.O. Aboud

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