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Acta Scientiarum. Animal Sciences

On-line version ISSN 1807-8672


OLIVEIRA, Emanuela Lima de et al. Piglet performance in nursing phase when fed diets containing soybean protein concentrate. Acta Sci., Anim. Sci. [online]. 2012, vol.34, n.2, pp.131-136. ISSN 1807-8672.

The experiment was developed in order to evaluate the effects of soy protein concentrate on performance and economic viability of piglets in nursery phase. We evaluated the following treatments in pre-starter diets (25 to 37 days old), initial I (37 to 50 days age) and initial II diets (50 to 64 days old): FS with corn and Hypro soybean meal, PCS-60% with corn and usual soy protein concentrate; PCSH-2h with corn and using PCS hydrolized by protease enzyme during 2 hours; PCSH-8h with corn and using PCS hydrolized by protease enzyme during 8 hours. In the period between 25-50 days were observed differences for the daily gross income (p = 5.1%) and gross margin (p = 2.1%). Treatments PCS-60% and PCSH(2h or 8h) showed the lowest values for daily gross income and gross margin, but in both cases, the PCS-60% treatment did not differ from FS. The inclusion of PCS-60%, and PCSH(2h or 8h) in diets for piglets in total nursery phase did not affect (p > 0.05) animal performance and economic viability. In view of performance the three PCS can be considered viable proteic ingredients in diets for piglets in the nursery phase.

Keywords : proteic feedstuff; economic analysis; weight gain; nutrition; swine production.

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