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  • Ceccantini, Marcio  (2)
  • 1
    Online Resource
    Online Resource
    PSVII-12 Using a Multi-Carbohydrolase (Rovabio®Advance) in Grow-Finish Pigs: How Does Not Removing Pigs Affect Growth Performance?
    Oxford University Press (OUP) ; 2022
    In:  Journal of Animal Science Vol. 100, No. Supplement_2 ( 2022-04-12), p. 175-176
    Details
    In: Journal of Animal Science, Oxford University Press (OUP), Vol. 100, No. Supplement_2 ( 2022-04-12), p. 175-176
    Abstract: Fiber degrading enzymes that contain single or multiple carbohydrolases are commonly used in the US commercial swine industry to reduce pig mortality. The objective of this study was to examine how pig removal from experimental treatments affects growth performance, with or without Rovabio®Advance P10% (RA). The animals on test consisted of 1,260 DNA barrows that were fed from 5.9 to 133 kg. The 4 dietary treatments were: Positive Control (PC), Low Nutrient Density Control (LNDC), PC plus RA (PC+), and LNDC plus RA (LNDC+). The SID AA and NE of the ingredients used were determined using the ingredient profile of the PC formulations and the nutritional modeling calculator for RA. The PC and LNDC+ diets were formulated to have similar NE and SID AA content. In the PC+ diets, RA was added on-top, without reformulation. At the start of the trial, 21 weanling pigs were allotted per pen, with a space allowance of 0.67 m2/pig. For the entire growout, feeding RA reduced the percentage of pigs removed from test (PC 8.3%, LNDC 7.9%, vs PC+ 5.4% and LNDC+ 4.4%; P & lt; 0.03). By day 150, the number of pigs per pen did not differ per treatment (P & gt;0.4) (PC 18.85, LNDC 19.12, PC+ 19.85 and LNDC+ 19.72); however, the respective pig space (m2/pig) was 0.74, 0.73, 0.71 and 0.71. Using the number of pigs/pen as a covariate for ADG, 0-41 d ADG was not significant (P & gt;0.59); however, there was a tendency towards significantly less ADG for pigs on RA between day 107-164 (988g PC, 966g LNDC vs 961g PC+, 961g LNDC+ P = 0.054). Pig removal increases the space per pig/pen over the course of an experiment, thus potentially influencing the ADG and other treatment effects. This effect must be accounted for in any research trial when evaluating the efficacy of any nutritional product.
    Type of Medium: Online Resource
    ISSN: 0021-8812 , 1525-3163
    URL: Article
    DOI: 10.1093/jas/skac064.298
    Language: English
    Publisher: Oxford University Press (OUP)
    Publication Date: 2022
    detail.hit.zdb_id: 1490550-4
    SSG: 12
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  • 2
    Online Resource
    Online Resource
    94 Feeding a Multi-Carbohydrase (Rovabio Advance) Improves the Morbidity of Wean-to-Finish Pigs
    Oxford University Press (OUP) ; 2022
    In:  Journal of Animal Science Vol. 100, No. Supplement_2 ( 2022-04-12), p. 33-33
    Details
    In: Journal of Animal Science, Oxford University Press (OUP), Vol. 100, No. Supplement_2 ( 2022-04-12), p. 33-33
    Abstract: The objective was to determine the effects of the multi-carbohydrase Rovabio Advance on growth performance, mortality, and morbidity of wean to finish pigs. In the trial, 1,260 DNA weanling barrows were fed from 5.9 kg to 133 kg live weight. Four diets were fed: positive control (PC), low nutrient density control (LNDC), PC with Rovabio Advance (PC+), and LNDC with Rovabio Advance (LNDC+). LNDC compared with PC contained 41 Kcal/kg less NE and 0.012% less SID lysine. Positive control diets contained 1.3% more added fat than LNDC. During each phase, all diets contained equal amounts of wheat middlings and corn DDGS, beginning at 3.75% each and increasing to 15% each. Each pen had 21 pigs each with 15 pens per dietary treatment. Pigs and feed were measured throughout all growth phases, as were the number and weight of dead pigs (mortality) and other pig removals (morbidity). Ten pigs per pen were harvested at 150 d on feed and the balance at 164 d on feed. Pigs fed PC vs LNDC had greater ADG and G:F and final live weight (P & lt; 0.01). Feeding Rovabio reduced pigs removed from test by nearly 40% (8.1 vs 4.9%, (P & lt; 0.03)). Standard deviation within pen of hot carcass weight tended (P & lt; 0.22) to be reduced by feeding Rovabio Advance and was reduced (P & lt; 0.03) by LNDC vs PC. Pig value per unit carcass weight was improved by Rovabio Advance (P & lt; 0.14) and by LNDC (P & lt; 0.01). In conclusion, feeding Rovabio Advance from weaning (5.9 kg) to finish (133 kg) decreases pig morbidity.
    Type of Medium: Online Resource
    ISSN: 0021-8812 , 1525-3163
    URL: Article
    DOI: 10.1093/jas/skac064.054
    Language: English
    Publisher: Oxford University Press (OUP)
    Publication Date: 2022
    detail.hit.zdb_id: 1490550-4
    SSG: 12
    Location Call Number Limitation Availability
    BibTip Others were also interested in ...
    Online Resource
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