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Information Journal Paper

Title

Effect of chemical buffer and Megasphaera elsdenii-yeast on histomorphometry and histopathology of rumen and liver of Arabian fattening lambs fed with concentrated diets

Pages

  47-59

Abstract

 The aim of this study was to investigate the effect of ruminal pH-adjusting additives on histomorphometry and histopathology of rumen-reticulum and liver tissues. Twenty-four Arabi male lambs with three to four months old and initial body weight of 23. 9± 3. 15 kg were used in a completely randomized design with three treatments and eight replicates in a period of 77 days. The experimental treatments consisted of a control diet, control diet + sodium bicarbonate buffer (buffer), and control diet + Megasphaera elsdenii and Saccharomyces cerevisiae (bacterial-yeast). At the end of the experiment, lambs were slaughtered and samples were taken from the liver and gastrointestinal tract for tissue studies. Rumen-reticulum wall thickness in the buffer receiving lambs was greater than that of control group (P<0. 05). The thickness of the rumen-reticulum epithelium in the buffer and bacterial-yeast receiving lambs was less than the control group (P<0. 05). Rumen-reticulum papillae thickness was higher in control than other treatments (P<0. 05). The thickness of reticulum tunica muscularis in the buffer treatment was higher than other treatments (P<0. 05). Periportal hepatitis was seen mildly in the liver of bacterial-yeast receiving lambs. In according to the results of the present experiment, the use of pH regulators, especially bacterial-yeast, in lambs fed with high concentrate levels, in terms of histopathology, reduce Tissue damages in the rumen-reticulum and liver and improve tissue structure of rumen-reticulum.

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    APA: Copy

    Khorasani, Omid, CHAJI, MORTEZA, & BAGHBAN, FARSHAD. (2021). Effect of chemical buffer and Megasphaera elsdenii-yeast on histomorphometry and histopathology of rumen and liver of Arabian fattening lambs fed with concentrated diets. JOURNAL OF ANIMAL PRODUCTION (JOURNAL OF AGRICULTURE), 23(1 ), 47-59. SID. https://sid.ir/paper/953487/en

    Vancouver: Copy

    Khorasani Omid, CHAJI MORTEZA, BAGHBAN FARSHAD. Effect of chemical buffer and Megasphaera elsdenii-yeast on histomorphometry and histopathology of rumen and liver of Arabian fattening lambs fed with concentrated diets. JOURNAL OF ANIMAL PRODUCTION (JOURNAL OF AGRICULTURE)[Internet]. 2021;23(1 ):47-59. Available from: https://sid.ir/paper/953487/en

    IEEE: Copy

    Omid Khorasani, MORTEZA CHAJI, and FARSHAD BAGHBAN, “Effect of chemical buffer and Megasphaera elsdenii-yeast on histomorphometry and histopathology of rumen and liver of Arabian fattening lambs fed with concentrated diets,” JOURNAL OF ANIMAL PRODUCTION (JOURNAL OF AGRICULTURE), vol. 23, no. 1 , pp. 47–59, 2021, [Online]. Available: https://sid.ir/paper/953487/en

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