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Asian-Australas J Anim Sci > Volume 24(10); 2011 > Article
Swine Nutrition and Feed Technology
Asian-Australasian Journal of Animal Sciences 2011;24(10): 1456-1463.
DOI: https://doi.org/10.5713/ajas.2011.11169    Published online August 24, 2011.
Effects of Fermented Potato Pulp on Performance, Nutrient Digestibility, Carcass Traits and Plasma Parameters of Growing-finishing Pigs
P. F. Li, L. F. Xue, R. F. Zhang, X. S. Piao, Z. K. Zeng, J. S. Zhan
Abstract
A total of 629 DurocLandraceLarge White crossbred pigs were utilized in three experiments (Exp. 1, 222 pigs weighing 25.62.0 kg BW; Exp. 2, 216 pigs weighing 56.24.3 kg BW; Exp. 3, 191 pigs weighing 86.44.6 kg BW) conducted to determine the effects of fermented potato pulp on performance, nutrient digestibility, carcass traits and plasma parameters in growing-finishing pigs. Each experiment lasted 28 d. The pigs were assigned to one of two corn-soybean meal-based diets containing 0 or 5% fermented potato pulp. The inclusion of fermented potato pulp increased weight gain (p<0.05) in experiments 1 and 2 and increased feed intake (p<0.05) in experiment 2. Feed conversion was improved (p<0.05) in experiment 2 and showed a tendency to improve (p<0.10) in experiments 1 and 3 when pigs were fed fermented potato pulp. Fermented potato pulp increased (p<0.05) dry matter digestibility in experiments 1 and 3 and energy digestibility in experiment 2. Feeding fermented potato pulp decreased plasma urea nitrogen (p<0.05) and alanine aminotransferase (p<0.05) in experiments 1 and 2, while plasma aspartate aminotransferase was decreased (p<0.05) in experiment 3. Dietary fermented potato pulp did not affect the carcass characteristics of finishing pigs. Feeding fermented potato pulp reduced (p<0.05) fecal ammonia concentration in all three experiments. In conclusion, feeding growing-finishing pigs diets containing 5% fermented potato pulp improved weight gain and feed conversion without any detrimental effects on carcass traits. The improvements in pig performance appeared to be mediated by improvements in nutrient digestibility.
Keywords: Fermented Potato Pulp; Growing-finishing Pigs; Performance; Blood Parameters; Carcass Characteristics; Fecal Noxious Gas


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