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An optimal duck performance on growing and feathering with 100% efficient methionine sources: OHMethionine or DL-Methionine

Published on: 02/20/2020
Author/s : By Lv-Hui Sun, Huazhong Agricultural University (China) and Dolores Batonon-Alavo, Adisseo

The objectives of the trial described in the article were (i) to compare the effects of OH-Methionine compared to DL-Methionine on growth performance and feather growth of Cherry Valley ducks fed from 0 to 42 days and (ii) to determine the bio-efficacy of OH-Methionine (OH-Met) relative to DL-Methionine (DL-Met). The trial was published by Zhao et al.2018 in Poultry Science: Efficacy of 2-hydroxy...

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mohammad aslam mohammad aslam
Specialist in Animal Nutrition
February 20, 2020
congratulations Author, great job.
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Martin Smith Martin Smith
Animal Nutritionist
Evonik Animal Nutrition Evonik Animal Nutrition
Hessen, Germany
September 29, 2020

Interesting Article. A useful one, to demonstrate how this kind of trial should be conducted. In terms of comparisons of nutrient sources, there are two golden rules; 1, make sure nothing else can limit the observable response; and 2, test the products at a levels where a response is likely. With this trial, evaluation of the diets indicates that both Lysine and Threonine were limiting for both phases; and AME was limiting for the Finisher phase. So the fact that no response was seen when comparing M+C sources was likely caused by these limitations. Furthermore, of all the treatments levels only the Basal diet and Group 2/6 were in a sensitive zone; Groups 3, 4, 5, 6, 7, 8 and 9 are likely in the plateau area of the dose response curve. Again, the lack of a difference in performance is therefore not surprising. So, a good lesson in the pitfalls to avoid! MPS

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Adisseo Adisseo
Oost-Vlaanderen, Belgium
October 1, 2020
This published content is intended for Adisseo customers and prospects. Our policy is not to debate on forums or social media. Our teams are available worldwide to discuss with prospects or customers on methionine topics to deepen subjects published on various platforms, so do not hesitate to contact us via our website: www.adisseo.com.
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