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The progression of deoxynivalenol-induced growth suppression in nursery pigs and the potential of an algae-modified montmorillonite clay to mitigate these effects.

Two experiments were conducted to characterize the progression of deoxynivalenol (DON)-induced growth suppression and to investigate algae-modified montmorillonite clay (AMMC) as a means to alleviate the effects of DON in nursery pigs. In both experiments, naturally DON-contaminated wheat was used t... Full description

Journal Title: Journal of animal science September 2016, Vol.94(9), pp.3746-3759
Main Author: Frobose, H L
Other Authors: Erceg, J A , Fowler, S Q , Tokach, M D , Derouchey, J M , Woodworth, J C , Dritz, S S , Goodband, R D
Format: Electronic Article Electronic Article
Language: English
Subjects:
ID: E-ISSN: 1525-3163 ; DOI: 1525-3163 ; DOI: 10.2527/jas.2016-0663
Link: http://search.proquest.com/docview/1845250487/?pq-origsite=primo
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title: The progression of deoxynivalenol-induced growth suppression in nursery pigs and the potential of an algae-modified montmorillonite clay to mitigate these effects.
format: Article
creator:
  • Frobose, H L
  • Erceg, J A
  • Fowler, S Q
  • Tokach, M D
  • Derouchey, J M
  • Woodworth, J C
  • Dritz, S S
  • Goodband, R D
subjects:
  • Aluminum Silicates–Analysis
  • Amino Acids–Analysis
  • Animal Feed–Pharmacology
  • Animals–Veterinary
  • Bentonite–Metabolism
  • Diet–Pharmacology
  • Female–Growth & Development
  • Fusarium–Physiology
  • Male–Adverse Effects
  • Polysaccharides–Adverse Effects
  • Swine–Adverse Effects
  • Trichothecenes–Adverse Effects
  • Aluminum Silicates
  • Amino Acids
  • Polysaccharides
  • Trichothecenes
  • Bentonite
  • Clay
  • Deoxynivalenol
ispartof: Journal of animal science, September 2016, Vol.94(9), pp.3746-3759
description: Two experiments were conducted to characterize the progression of deoxynivalenol (DON)-induced growth suppression and to investigate algae-modified montmorillonite clay (AMMC) as a means to alleviate the effects of DON in nursery pigs. In both experiments, naturally DON-contaminated wheat was used to produce diets with desired DON levels. In Exp. 1, 280 barrows and gilts (10.0 [+ or -] 0.2 kg BW) were used in a 28-d experiment arranged in a 2 x 2 + 1 factorial design with 8 replicates per treatment. The 5 treatments consisted of 2 positive control (PC) diets with DON below detection limits and with or without 0 or 0.50% AMMC and 3 negative control (NC) diets with 5 mg/kg of DON and containing 0, 0.25, or 0.50% AMMC. No DON x AMMC interactions were observed. Overall, pigs fed DON had decreased (P < 0.001) ADG and final BW regardless of AMMC addition. Feeding DON-contaminated diets elicited the most severe depression (P < 0.001) in ADFI and G:F from d 0 to 3, remaining poorer overall (P < 0.01) but lessening in severity as exposure time increased. Pigs fed DON diets had greater (P < 0.05) within pen BW variation (CV) on d 28. Although the addition of 0.50% AMMC to diets restored (P < 0.05) ADFI from d 14 to 21 to levels similar to the PC, no other differences were observed for AMMC inclusion. In Exp. 2, 360 barrows (11.4 [+ or -] 0.2 kg BW) were used in a 21-d experiment with 9 dietary treatments arranged in a 3 x 3 factorial design with DON and AMMC inclusion as main effects. There were 8 replicate pens per treatment. Treatments consisted of 3 PC diets without DON, 3 low-DON (1.5 mg/kg DON) NC diets, and 3 high-DON (3 mg/kg DON) NC diets with 0, 0.17, or 0.50% AMMC incorporated at each DON level. No DON x AMMC interactions were observed. As DON level increased, ADG and final BW decreased (quadratic, P < 0.05), driven by decreased (quadratic, P < 0.01) ADFI and poorer (quadratic; P < 0.05) G:F. At both 1.5 and 3 mg/kg DON, reductions in ADG were most marked from d 0 to 7 (15 to 22% lower) and were least distinct from d 14 to 21 (5 to 6% lower). Incorporating AMMC at increasing levels had no effect on ADG, ADFI, G:F, or final BW. Overall, these experiments reinforce DON effects on feed intake but also indicate that the effects of DON on G:F may be more severe than previously thought. Furthermore, some pigs appear to develop tolerance to DON, as effects on ADFI and G:F lessen over time. However, the addition of AMMC did not offset the deleterious effects of DO
language: eng
source:
identifier: E-ISSN: 1525-3163 ; DOI: 1525-3163 ; DOI: 10.2527/jas.2016-0663
fulltext: fulltext
issn:
  • 15253163
  • 1525-3163
url: Link


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titleThe progression of deoxynivalenol-induced growth suppression in nursery pigs and the potential of an algae-modified montmorillonite clay to mitigate these effects.
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subjectAluminum Silicates–Analysis ; Amino Acids–Analysis ; Animal Feed–Pharmacology ; Animals–Veterinary ; Bentonite–Metabolism ; Diet–Pharmacology ; Female–Growth & Development ; Fusarium–Physiology ; Male–Adverse Effects ; Polysaccharides–Adverse Effects ; Swine–Adverse Effects ; Trichothecenes–Adverse Effects ; Aluminum Silicates ; Amino Acids ; Polysaccharides ; Trichothecenes ; Bentonite ; Clay ; Deoxynivalenol
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