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Article

Evaluation of Methionine Sources in Protein Reduced Diets for Turkeys in the Late Finishing Period Regarding Performance, Footpad Health and Liver Health

1
Institute for Animal Nutrition, University of Veterinary Medicine Hannover, Foundation, Bischofsholer Damm 15, D-30173 Hannover, Germany
2
Department of Nutrition and Nutritional Deficiency Diseases, Faculty of Veterinary Medicine, Mansoura University, Mansoura 35516, Egypt
3
Evonik Operations GmbH, Rodenbacher Chaussee 4, D-63457 Hanau, Germany
4
Institute for Anatomy, University of Veterinary Medicine Hannover, Foundation, Bischofsholer Damm 15, D-30173 Hannover, Germany
*
Author to whom correspondence should be addressed.
These authors contributed equally to this work.
Academic Editor: István Komlósi
Agriculture 2021, 11(9), 901; https://doi.org/10.3390/agriculture11090901
Received: 13 August 2021 / Revised: 15 September 2021 / Accepted: 16 September 2021 / Published: 19 September 2021
(This article belongs to the Special Issue Poultry: Breeding, Health, Nutrition, and Management)
Footpad dermatitis and hepatic lipidosis are health problems in fattening turkeys where a positive influence of higher methionine content in feed is discussed. The effects of the methionine supplements DL-methionine (DLM) and liquid methionine hydroxyl analogue free acid (MHA-FA) under the aspect of low protein diets were investigated in this study based on performance parameters, footpad health, liver health and oxidative stress. In this study, 80 female turkeys (B.U.T. Big 6) of 63 day-old, were randomly assigned to four groups characterising a 2 × 2 factorial design with five replicates each over five weeks. The groups were fed with diets differing in methionine source (DLM vs. MHA-FA, assuming a biological activity of MHA-FA of 65%) and crude protein content (15% vs. 18%) for 35 days. The results showed no significant interactions between the protein content and methionine source. Strong protein reduction significantly impaired water intake, feed intake, weight gain and feed conversation ratio, but improved footpad health. DLM and MHA-FA addition had no significant effect on weight gain, crude fat and protein contents in the liver, but DLM resulted in a significant increase in livers antioxidative capacity compared to MHA-FA. Although the protein reduction resulted in reduced performance, the study showed that MHA-FA can be replaced by DLM in a 100:65 weight ratio without compromising performance but with certain advantages in the antioxidative capacity of the liver. View Full-Text
Keywords: fattening turkey; protein; methionine; growth; hepatic lipidosis; oxidative stress fattening turkey; protein; methionine; growth; hepatic lipidosis; oxidative stress
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MDPI and ACS Style

Lingens, J.B.; Abd El-Wahab, A.; de Paula Dorigam, J.C.; Lemme, A.; Brehm, R.; Langeheine, M.; Visscher, C. Evaluation of Methionine Sources in Protein Reduced Diets for Turkeys in the Late Finishing Period Regarding Performance, Footpad Health and Liver Health. Agriculture 2021, 11, 901. https://doi.org/10.3390/agriculture11090901

AMA Style

Lingens JB, Abd El-Wahab A, de Paula Dorigam JC, Lemme A, Brehm R, Langeheine M, Visscher C. Evaluation of Methionine Sources in Protein Reduced Diets for Turkeys in the Late Finishing Period Regarding Performance, Footpad Health and Liver Health. Agriculture. 2021; 11(9):901. https://doi.org/10.3390/agriculture11090901

Chicago/Turabian Style

Lingens, Jan B., Amr Abd El-Wahab, Juliano C. de Paula Dorigam, Andreas Lemme, Ralph Brehm, Marion Langeheine, and Christian Visscher. 2021. "Evaluation of Methionine Sources in Protein Reduced Diets for Turkeys in the Late Finishing Period Regarding Performance, Footpad Health and Liver Health" Agriculture 11, no. 9: 901. https://doi.org/10.3390/agriculture11090901

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