Equations to Predict Growth Performance Changes by Dietary Deoxynivalenol in Pigs

Abstract

The objectives of the present work were to assess the accuracy of previously published equations for predicting effects of deoxynivalenol (DON) on the growth performance changes of pigs and to update equations based on recently published data. A total of 59 data were employed for the validation of previously published equations. These data were used to update the equations. The REG and CORR procedures of SAS were used. In the present validation test, a linear bias was significant (p < 0.05), indicating that prediction errors were not consistent across the data ranges. The intercept for ΔFI (−7.75 ± 1.19, p < 0.01) representing a mean bias was less than 0, indicating that the predicted mean of ΔFI was greater than the measured mean of ΔFI. Dietary DON concentrations had negative correlations with ΔWG (r = −0.79; p < 0.01) and ΔFI (r = −0.71; p < 0.01). Updated prediction equations were: ΔWG = −5.93 × DON with r2 = 0.77 and ΔFI = −4.42 × DON with r2 = 0.68. In conclusion, the novel equations developed in this study might accurately predict effects of dietary DON on the performance changes of pigs.

Effects of a Bentonite Clay Product and a Preservative Blend on Ileal and Fecal Nutrient Digestibility in Pigs Fed Wheat Naturally Contaminated with Deoxynivalenol

“…Deoxynivalenol is one of most prevalent mycotoxins in swine diets and naturally occurs from Fusarium fungus [2]. Ingested DON by pigs causes inflammation and necrosis in the gastrointestinal tract of pigs, leading to a disturbance of gut function for nutrient absorption [6] and consequently, growth retardation of pigs [3][4][5]. Although a DONcontaminated diet can be supplemented with feed additives such as clay products and preservatives to alleviate negative influences of DON, the effects of supplementing these additives on ileal and total tract digestibility of minerals and ileal digestibility of AA are not well documented.…”

“…These metabolites are commonly found in grains such as barley, corn, and wheat, which are major ingredients of swine diets, resulting in deleterious effects on pig growth. Deoxynivalenol (DON), generated by the Fusarium fungus, in pig diets typically induces vomiting and reduces feed intake in young pigs, which could cause subsequent growth retardation of pigs [3][4][5]. Additionally, dietary DON can affect the morphology of the intestinal mucosa [6], the immune system [7], and the health of pig organs [8].…”

Deoxynivalenol concentrations in feed ingredients and swine diets measured by enzyme-linked immunosorbent assay and high-performance liquid chromatography

“…Dietary DON leads to harmful effects on growth performance in pigs, derived from reduced feed intake and weight gain (Mok et al, 2013;Kim et al, 2021). Moreover, ingested DON via contaminated diets can be accumulated in various organs of pigs (Goyarts et al, 2007).…”

Optimal Supplemental Chromium Concentration for Alleviating Heat Stress in Broiler Chickens: A Meta-analysis

“…To combine and compare the 22 experiments, we employed the relative change, which is a unitless value calculated as the actual difference divided by the growth performance of broilers fed the control group, to minimize biases among the experiments. The use of relative changes is widely employed in meta-analyses for nutritional research in pigs and poultry (Cowieson & Roos, 2013;Kim et al, 2021b).…”