Alterations of Small Intestinal Morphology on Villi and Crypts after Feeding Probiotic and Zinc in Pre and Post-weaned Piglets

DOI: 10.18805/IJAR.B-4200    | Article Id: B-4200 | Page : 1167-1176
Citation :- Alterations of Small Intestinal Morphology on Villi and Crypts after Feeding Probiotic and Zinc in Pre and Post-weaned Piglets.Indian Journal of Animal Research.2021.(55):1167-1176
Arup Kalita, M. Talukdar, K. Sarma, P.C. Kalita, C. Gautam, O.P. Choudhary, P.J. Doley, Keneisenuo, R. Sarkar arup.kalita@gmail.com
Address : Department of Veterinary Anatomy and Histology, College of Veterinary Sciences and Animal Husbandry, Central Agricultural University (I), Selesih, Aizawl-796015, Mizoram, India.
Submitted Date : 28-05-2020
Accepted Date : 8-09-2020


Background: Neonatal and early post-weaned piglet mortality causes huge economic losses to the farmers. The beneficial effect of probiotic and zinc in respect to the gut health in piglets has already been established. Therefore, this study was aimed to evaluate age-related changes and the effect of dietary inclusion of probiotic and zinc on morphological and morphometrical characteristics on villi and crypts of the small intestine in pre and post-weaned piglets.
Methods: A total of 18 Large White Yorkshire piglets, irrespective of sex were divided into three different age-groups [pre-weaning (20 days old, n = 3) and, post-weaning (30 days old, n = 3) and (60 days old, n = 3)]. The piglets were weaned at 28 days of age. They were divided into control group (C) fed with basal diet and treatment group (T) fed with combined probiotic and zinc oral supplement along with the basal diet. After sacrifice the animals, tissue samples were collected and processed for routine stain and SEM. The alterations on morphology and morphometry of villi and crypts were recorded both in the control and treatment group of piglets.  
Result: The villus height and width and crypt depth and width were increased, however, the villus crypt ratio was found to be lower in the treatment group of piglets. The villus and crypt enlargement factor showing higher numerical values in the piglets fed with probiotic and zinc than the control group of piglets. Scanning electron microscopy revealed a clear extrusion zone with prominent shedding of cells in the villi of jejunum and ileum in the treatment group of piglets at day 30 and 60.


Crypts Piglets Probiotic Villi Zinc


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