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<p>The study evaluated Horro sheep morphometric traits and carcass characteristics supplemented with forage varieties of Dolichos lablab (Gebisa-17 and Beresa-55) and Pigeon pea (Belabas and Degagsa) over the conventional protein. A 90-day feeding trial was conducted using 25 male Horro lambs with a mean initial body weight of 22.6 ± 20&#xa0;kg. Randomized complete block design (blocking factor: body weight) with five replications was implemented to supply dietary treatments on an iso-nitrogenous basis with a crude protein of 64.37&#xa0;g/h/day. All lambs were given fodder Oats, hay ad-libitum with 280.8&#xa0;g Gebis-17 (T1), 274.4&#xa0;g Beresa-55 (T2), 320.9&#xa0;g Belabas (T3), 329.3&#xa0;g Degagsa (T4), and 300&#xa0;g concentrate mixture (T5) as a positive control of 67%:33% wheat bran to noug seed cake ratio. Supplementation had no significant effect on morphometric or weight gain features (<i>P</i> &gt; 0.05). The slaughter weight (SW), total offal, and dressing percentage (DP) on an empty weight basis (EBW) were all consistent among treatments. T5 had a larger EBW than the others (<i>P</i> &lt; 0.05). The hot carcass (HC), rib-eye muscle area (REMA), and DP on a SW basis were higher for lambs given the T5 and T1 diets than for lambs fed the other diets (<i>P</i> &lt; 0.05). Except for the intestine and total fat (<i>P</i> &lt; 0.01), none of the measured offal components showed significant variation between treatments. Although diet T5 had good performance comparable to that of the other dietary supplements, its inaccessibility and high cost would limit smallholder farmers to use. Thus, Dolichos lablab varieties could be demonstration at the farmers for sustainable Horro sheep fattening.</p>

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Effects of Dolichos lablab and Pigeon pea varieties on the morphometric traits and carcass characteristics of Horro lambs

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2026年6月20日

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  • Abuye Tulu,
  • Birmaduma Gadisa,
  • Wakgari Keba

摘要

The study evaluated Horro sheep morphometric traits and carcass characteristics supplemented with forage varieties of Dolichos lablab (Gebisa-17 and Beresa-55) and Pigeon pea (Belabas and Degagsa) over the conventional protein. A 90-day feeding trial was conducted using 25 male Horro lambs with a mean initial body weight of 22.6 ± 20 kg. Randomized complete block design (blocking factor: body weight) with five replications was implemented to supply dietary treatments on an iso-nitrogenous basis with a crude protein of 64.37 g/h/day. All lambs were given fodder Oats, hay ad-libitum with 280.8 g Gebis-17 (T1), 274.4 g Beresa-55 (T2), 320.9 g Belabas (T3), 329.3 g Degagsa (T4), and 300 g concentrate mixture (T5) as a positive control of 67%:33% wheat bran to noug seed cake ratio. Supplementation had no significant effect on morphometric or weight gain features (P > 0.05). The slaughter weight (SW), total offal, and dressing percentage (DP) on an empty weight basis (EBW) were all consistent among treatments. T5 had a larger EBW than the others (P < 0.05). The hot carcass (HC), rib-eye muscle area (REMA), and DP on a SW basis were higher for lambs given the T5 and T1 diets than for lambs fed the other diets (P < 0.05). Except for the intestine and total fat (P < 0.01), none of the measured offal components showed significant variation between treatments. Although diet T5 had good performance comparable to that of the other dietary supplements, its inaccessibility and high cost would limit smallholder farmers to use. Thus, Dolichos lablab varieties could be demonstration at the farmers for sustainable Horro sheep fattening.