Influence of fasting on the incidence of esophageal mucosal injury gastric, weight and hot carcass weight in pigs stomachs
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fasting pre-slaughter, parakeratosis, pigs, cankerAbstract
The aim of this study was to evaluate the effects of different fasting times (0, 8 and 34 hours) in pre-slaughter of pigs characteristics score of esophageal-gastric lesion (LEG), hot carcass weigth (PCQ), ration of full stomach weight (PPEC) and ration weight of empty stomach (PPEV), with the PEC and PEV proportional to PCQ. Was used 90 pigs at 150 days of age, 30 animals for each treatment (T). For analysis of lesion score esophageal-gastric, method was used nonparametric Kruskal Wallis with 5% significance. For variables (PCQ), (PPEC) and (PPEV) was made by analysis of variance in completely randomized design and Tukey test at 5% significance level. The incidence of esophageal-gastric ulcer was higher in 0 and 34 hours of fasting, and 8 hours was the only normal stomachs and parakeratosis. There was no influence of fasting on the PCQ (p <0.05) and PPEC, while in PPEV, significant differences between the treatments: T1 (7.9), T2 (4.9) and T3 (5.9), a fact explained by the great mobilization of fluid osmotic the body to the stomach, and that proportional to the time of fasting. Should then pay attention to the time of fasting from causing stress to animal and consequent losses in the housing
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Copyright (c) 2011 Driele Schneidereit Sant’ana, Millene Torres de Oliveira, Luana Ribeiro Alves, Serly Lourenço Borges Reis, Robson Carlos Antunes, Leonardo Gomes Carrazza, Thaís Gomes Carrazza, Danilo Leonel Silva
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