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<p>This study investigates the effects of varying levels of <i>Vernonia amygdalina</i> leaf powder on the performance of weaner rabbits, focusing on growth metrics and blood parameters. Utilizing a Completely Randomized Design (CRD), fifteen 6-week-old Dutch breed rabbits were randomly assigned to five treatment groups, with each group comprising three replicates of one rabbit each. Data collection involved measuring body weight, feed intake, and collecting blood samples for further analysis. Statistical analysis was conducted using one-way analysis of variance (ANOVA) with the general linear model (GLM), and significant differences were identified using the Duncan Multiple Range test at an alpha level of 0.05. The study found no statistically significant differences (<i>p</i> &gt; 0.05) in weight gain, feed intake, and feed conversion ratio among the treatment groups. However, significant variations were noted in hematological parameters, such as packed cell volume and red blood cell count. Serum biochemistry revealed notable differences in urea, creatinine, glucose, and total cholesterol levels. Specifically, T4 (3 g of <i>V. amygdalina</i>) achieved the highest weight gain of 10.89 g, while T5 (4 g) demonstrated the most efficient feed conversion ratio of 2.60. Although the graded levels of <i>V. amygdalina</i> leaf powder did not significantly affect growth performance, they influenced the hematological and biochemical profiles of the rabbits, indicating potential nutritional benefits without impairing growth. This suggests promising avenues for reducing vaccination costs and enhancing rabbit nutrition through supplementation.</p>

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Effects of Vernonia amygdalina leaf powder supplementation on growth, hematology, and blood biochemical profile of weaner rabbits

  • 期刊论文

  • 发表日期：

    2026年4月18日

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  • Kehinde Mathias Okukpe,
  • Oluwagbenga Michael Familoni,
  • Gabriel Gbenga Babaniyi,
  • Ulelu Jessica Akor

摘要

This study investigates the effects of varying levels of Vernonia amygdalina leaf powder on the performance of weaner rabbits, focusing on growth metrics and blood parameters. Utilizing a Completely Randomized Design (CRD), fifteen 6-week-old Dutch breed rabbits were randomly assigned to five treatment groups, with each group comprising three replicates of one rabbit each. Data collection involved measuring body weight, feed intake, and collecting blood samples for further analysis. Statistical analysis was conducted using one-way analysis of variance (ANOVA) with the general linear model (GLM), and significant differences were identified using the Duncan Multiple Range test at an alpha level of 0.05. The study found no statistically significant differences (p > 0.05) in weight gain, feed intake, and feed conversion ratio among the treatment groups. However, significant variations were noted in hematological parameters, such as packed cell volume and red blood cell count. Serum biochemistry revealed notable differences in urea, creatinine, glucose, and total cholesterol levels. Specifically, T4 (3 g of V. amygdalina) achieved the highest weight gain of 10.89 g, while T5 (4 g) demonstrated the most efficient feed conversion ratio of 2.60. Although the graded levels of V. amygdalina leaf powder did not significantly affect growth performance, they influenced the hematological and biochemical profiles of the rabbits, indicating potential nutritional benefits without impairing growth. This suggests promising avenues for reducing vaccination costs and enhancing rabbit nutrition through supplementation.