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<p>The study evaluated the production, reproductive performance, and milk composition of the Sheko cattle breed maintained at Tepi Agricultural Research Center in Ethiopia. A total of twenty nine cows were maintained across three seasons and four years. The General Linear Model (SAS 9.3) was used to analyze the effects of calving season, year, and parity. Results showed that calving season and year significantly (<i>p</i> &lt; 0.001) affected age at first insemination (Mean ± SE) 38.50 ± 0.70 months and age at first calving were 48.75 ± 0.62 months. Daily milk yield recorded 2.21<b>–</b>3.19&#xa0;L and lactation milk yield (504.80–603.50&#xa0;L) were influenced by season and parity, with higher yields during the main rainy season and in the second parity. Calving interval recorded 415.75<b>-</b>469.25 days and days open were 145.75<b>-</b>200.75 varied significantly across fixed factors, while lactation length was ranged 231.25-270.17 which was not affected. The milk composition revealed high nutritional quality with mean values of fat (4.78%), protein (3.71%), lactose (5.63%), and SNF (10.24%). These results indicate that Sheko cattle, known for their trypanotolerance and adaptability to low quality and limited feed, possess good potential for milk production. Enhancing feeding, health, and breeding management could further improve productivity and support conservation of this endangered indigenous breed.</p>

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Productive, reproductive performance and milk composition of the Sheko cattle breed in Ethiopia

  • 期刊论文

  • 发表日期：

    2026年2月24日

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  • Melkam Aleme,
  • Dereje Tulu,
  • Gezahegn Mengistu,
  • Ararsa Bogale,
  • Belay Gezahegn Gebreyes,
  • Zewdie Wendatir,
  • Ulfina Galmessa,
  • Fekede Feyissa

摘要

The study evaluated the production, reproductive performance, and milk composition of the Sheko cattle breed maintained at Tepi Agricultural Research Center in Ethiopia. A total of twenty nine cows were maintained across three seasons and four years. The General Linear Model (SAS 9.3) was used to analyze the effects of calving season, year, and parity. Results showed that calving season and year significantly (p < 0.001) affected age at first insemination (Mean ± SE) 38.50 ± 0.70 months and age at first calving were 48.75 ± 0.62 months. Daily milk yield recorded 2.21–3.19 L and lactation milk yield (504.80–603.50 L) were influenced by season and parity, with higher yields during the main rainy season and in the second parity. Calving interval recorded 415.75-469.25 days and days open were 145.75-200.75 varied significantly across fixed factors, while lactation length was ranged 231.25-270.17 which was not affected. The milk composition revealed high nutritional quality with mean values of fat (4.78%), protein (3.71%), lactose (5.63%), and SNF (10.24%). These results indicate that Sheko cattle, known for their trypanotolerance and adaptability to low quality and limited feed, possess good potential for milk production. Enhancing feeding, health, and breeding management could further improve productivity and support conservation of this endangered indigenous breed.