Effect of incorporation of ground Prosopis juliflora pods in layer diet on weight gain, egg production, and natural antibody titer in KALRO genetically improved indigenous chicken
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The potential of using Prosopis juliflora pods was evaluated as a partial replacement of energy source layer’s diets. The main objective of the experiment was to assess the effect of replacement of Prosopis juliflora pods at 10, 20, and 30% on egg production, weight gain, and natural antibody titer values (IgG and IgM). The diet treatments were formulated (iso-caloric and iso-nitrogenous, 12.8 MJ/kg ME and 16% crude protein, respectively) to meet the nutrient requirement of the indigenous chicken. Sixty-four KALRO-improved indigenous chicken layers of 43 weeks were assigned into four dietary treatments using a completely randomized design. Body weight gain, egg production, and ELISA assay were run to get the data. Data were statistically analyzed using the GLM procedure of SAS. The differences among treatment means were determined using the Tukey’s range test. The inclusion of Prosopis juliflora pods in the diets, except at 10%, decreased weight gain and egg production (p < 0.05). The addition of Prosopis juliflora pods had no significant effect on natural IgG and IgM titer values. This study indicated that Prosopis juliflora pods can be included at levels up to 10% in layer diets without affecting egg production and weight gain.
KeywordsProsopis juliflora pods Egg production Weight gain Natural antibodies KALRO-improved indigenous chicken
This study was funded by the Egerton University, Division of Research and Extension internally funded projects.
Compliance with ethical standards
All procedures for sample collection were approved by the Bioethics Division and Animal Care and Use Committee of Egerton University under permit number KD111-13269-18.
Conflict of interest
The authors declare that they have no competing interests.
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