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Effects of Cyperus alternifolius, Echinochloa pyramidalis, Typha angustifolia, and Imperata cylindrica on Growth Performance, Feed Digestibility, Gut Microbiota, Haemato-biochemical and Immunity Parameters in Broiler Chickens
The rhizomes of Cyperus (C.) alternifolius, Echinochloa (E.) pyramidalis, Typha (T.) angustifolia, and Imperata (I.) cylindrica are rich in secondary metabolites and have diverse pharmacological activities. The present study was designed to evaluate the effects of dietary C. alternifolius, E. pyramidalis, T. angustifolia, and I. cylindrical rhizomes on the performance of broiler chickens. A total of 384 day-old chicks were randomly assigned to six treatment groups (each treatment replicated four times). The first group received a basal diet (negative control), and the second group received a basal diet with 1 gr of antibiotic (Doxicycline, positive control). Other groups received a basal diet with 2 gr of each phyto-additives/kg feed. The results revealed that treatments had no significant effects on feed intake and carcass yield in chickens. The C. alternifolius and T. angustifolia significantly increased live weight and weight gain, and decreased feed conversion ratio, compared to negative control. The addition of C. alternifolius, T. angustifolia, and I. cylindrica to broilers’ diet significantly increased the apparent digestibility of dry matter and crude protein, compared to the negative control. Compared to the negative control, the lactic acid bacteria count significantly increased with the incorporation of T. angustifolia and I. cylindrica. The granulocytes count and globulins concentration were not affected by the different treatments. However, the lymphocyte count was significantly decreased with the diet containing E. pyramidalis compared to the negative and positive controls, and the diets containing C. alternifolius and T. angustifolia. The spleen and bursa weights and volumes significantly increased in all groups of chickens fed on phyto-additives, compared to the negative control. Except for haematocrit, which significantly increased with C. alternifolius and T. angustifolia in the treatments compared to the negative control, the feed additives did not significantly affect the hematological parameters. Compared to the negative control, T. angustifolia and I. cylindrica significantly increased HDL-cholesterol concentration in broiler chickens’ serum, while all treatment groups were comparable for all the other biochemical parameters. Incorporating 2 g of C. alternifolius and T. angustifolia in broiler chickens’ feed improves feed digestibility, enhances the population of lactic acid bacteria in the gut, and causes subsequent improvement in growth performance.
Effects of Cyperus alternifolius, Echinochloa pyramidalis, Typha angustifolia, and Imperata cylindrica on Growth Performance, Feed Digestibility, Gut Microbiota, Haemato-biochemical and Immunity Parameters in Broiler Chickens (Text)
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