Abstract
Dried porcine solubles (DPSs) are the by-product obtained during the extraction of heparin from the porcine mucosa of the small intestine. The effects of partially replacing fishmeal with DPS in weaning pig diets on growth performance, nutrient digestibility, fecal microbial count, and fecal score were investigated here. A total of 70 crossbred ((Yorkshire × Landrace) × Duroc) weaning pigs were divided into two dietary treatment groups: dietary treatments, CON: 3% fishmeal; DPS: 1.5% fishmeal and 1.5% DPSs. Average daily gain was tended to increase ( p < 0.10) in weaning pigs fed DPS compared to the CON group in week 2. The digestibility of dry matter was tended to improve ( p < 0.10) in weaning pigs fed DPS diet group in week 2 and week 5. Fecal Lactobacillus count was tended to increase ( p < 0.10) and Escherichia coli was tended to decrease ( p < 0.10) in weaning pigs fed DPSs compared to the weaning pigs fed CON at week 5 of the feeding trial. Our findings suggest that partially replacing fishmeal with DPSs in weaning pig diets can have beneficial effects on the growth performance through the tendency to improve dry matter digestibility and fecal microbiota.
Published Version
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