Volume 70 (2020) Issue: 2020 No#1

The effects of a phytogenic additive on the histomorphometric characteristics of the intestines in weaned pigs with a subclinical natural infection with Lawsonia intracellularis

Author(s): Drašković Vladimir, Stanimirović Zoran, Glišić Milica, Bošnjak-Neumuller Jasna, Teodorović Radislava, Teodorović Vlado, Kukolj Vladimir

Keywords:proliferative enteropathy, Lawsonia intracellularis, phytogenic feed additive, histomorphometry

Proliferative enteropathy, also known as proliferative ileitis, is considered to be one of the most economically important diseases in pig production worldwide. The estimated losses per affected growing pig usually range from US $1 to $5. The disease is caused by Lawsonia intracellularis, a Gram-negative, obligately intracellular bacterium. Control of the disease can be achieved with the use of vaccines or antibiotics. Recently there has been an increase in the efforts in the control of certain pathologies of the digestive system with phytogenic additives. The aim of this work was to assess the effects of a phytogenic additive on the histomorphometric characteristics of the intestines in weaned pigs with a subclinical infection with L. intracellularis acquired spontaneously. Histomorphometry analysis showed that crypt depth was significantly shorter (P<0.05), and the villus-height-to-crypt-depth ratio (P<0.05) significantly greater in the treatment group than the control. This improvement in the histological parameters of the intestine, considered to be indicators of its health, proved the positive effect of the tested additive on the digestive system in pigs.


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ISSN: 0567-8315

eISSN: 1820-7448

Journal Impact Factor 2018: 0.656

5-Year Impact Factor: 0.532

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