The Modification of Broiler Physiological and Immunological Traits Caused by the Administration of Varying Concentrations of Oregano Leaf Aqueous Extract (Origanum vulgare)
The Modification of Broiler Physiological and Immunological Traits Caused by the Administration of Varying Concentrations of Oregano Leaf Aqueous Extract (Origanum vulgare)
Hasan SA Jawad1*, Nihad Abdul-Lateef Ali2, Galib A. Al-Kassie3, Abdul-Razzak L. Al-Rubaie3, Lokman IH4
ABSTRACT
This experiment was conducted at poultry field in the Agriculture College- Al Qasim Green University during 18 September 2020 until 23 October 2020. It was used 240 of broiler chicks Ross 308, chicks were randomly distributed to four experimental treatments, where added the aqueous extract of Oregano leaves at levels (0, 3, 5, 7 ml/L). All of the histological traits were studied such as the villus height, the crypts depth, the percentage of the villus height to the crypts depth and immunological traits are both the immunity directed against Newcastle disease and the test of the relative hypersensitivity in the wattles and relative weight and the Fabricia gland index, and biochemical traits, such as concentration of glucose, cholesterol, triglyceride, globulin, albumin, and total protein.
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