Abstract
Abstract Two experiments were conducted to determine the efficacy of commercial products on growth performance of nursery pigs fed high fumonisin diets. In Exp. 1,350 pigs (241 × 600; DNA; initially 9.9 kg) were used with 5 pigs per pen and 14 pens per treatment. Five dietary treatments consisted of a positive control (low fumonisin, 4 ppm fumonisin; FB1 + FB2), negative control (50 ppm fumonisin;) and the negative control with one of three products (0.3% of Kallsil Dry, Kemin Industries Inc., Des Moines, IA; 0.3% of Feed Aid Wide Spectrum, NutriQuest, Mason City, IA; 0.17% of Biofix Select Pro, Biomin America Inc., Overland Park, KS). Diets were fed for 14 d. Pens were assigned to treatments in a randomized complete block design with initial weight as the blocking factor. Data were analyzed using nlme package in R program (version 3.5.2) with pen as experimental unit. Pigs fed the negative control, or diets with Kallsil Dry or Feed Aid had decreased (P< 0.05) ADG, ADFI, and G:F compared with those fed the positive control and diet with Biofix. Pigs fed the positive control diet had decreased (P< 0.05) d 14 serum sphinganine to sphingosine (Sa:So) ratio than those fed other diets. In Exp. 2, 300 pigs (241 × 600; initially 10.4 kg) were used and fed experimental diets for 28 d. Procedures were similar to Exp. 1 except there were 12 replicates per treatment and diets contained 30 ppm fumonisin. Pigs fed the negative control, or diets with Kallsil Dry or Feed Aid had decreased (P< 0.05) ADG and G:F, and greater (P< 0.05) d 14 and 28 Sa:So ratios compared with the positive control and diet with Biofix. In summary, adding Biofix to high fumonisin diets mitigated the negative effects of fumonisin while Kallsil Dry and Feed Aid did not.
Highlights
Fumonisin contamination in corn has been an emerging issue in swine feed production
Two experiments were conducted to determine the efficacy of various commercial products on growth performance of 20- to 50-lb nursery pigs fed diets high in fumonisin (FUM) concentration
During the 13-day post-treatment period, pigs previously fed the high FUM negative control, or high FUM diets with Kallsil Dry or Feed Aid Wide Spectrum had improved F/G compared with pigs previously fed the low FUM diet or high FUM diet with Biofix Select Pro
Summary
Two experiments were conducted to determine the efficacy of various commercial products on growth performance of 20- to 50-lb nursery pigs fed diets high in fumonisin (FUM) concentration. For the 14-d treatment period, pigs fed the high FUM negative control, or high FUM diets with Kallsil Dry or Feed Aid Wide Spectrum had decreased (P < 0.05) average daily gain (ADG), average daily feed intake (ADFI), and d 14 body weight (BW), and poorer (P < 0.05) feed efficiency (F/G) compared to the positive control and treatment with Biofix Select Pro. Pigs fed the high FUM diet with Biofix Select Pro had similar performance to pigs fed the low FUM diet. Kansas State University Agricultural Experiment Station and Cooperative Extension Service diets with Kallsil Dry or Feed Aid Wide Spectrum had decreased (P < 0.05) ADG, ADFI, and d 28 BW, and poorer (P < 0.05) F/G compared to the positive control and treatment with Biofix Select Pro. Pigs fed the high FUM diet with Biofix Select Pro had similar performance to pigs fed the low FUM diet. Adding Biofix Select Pro to diets containing 30 to 50 ppm of FUM appeared to mitigate the negative effects of FUM, while Kallsil Dry and Feed Aid Wide Spectrum did not influence pig performance
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