Adisseo says Methiopedia is intended for nutritionists, purchasers,

formulators, quality and technical managers within the premix and feed industries, as well as students and scientists, who want to enhance their knowledge of methionine and its use.

The introduction to Methiopedia Volume Two says, "Adisseo wishes to offer to the end users all the relevant information concerning methionine, an essential amino acid in animal nutrition".

 

A comprehensive guide

The book offers a complete description of the three forms of methionine: L-Methionine, DL-methionine and OH-Methionine with their characteristics and properties. It also compiles trials results on nutritional and technological aspects. Compared to the first edition, this new book
is enriched with another five years of research, scientific review and increased knowledge in methionine.

Metabolism, utilisation of methionine forms by animals, and also formulation considerations, are tackled and enriched in this new release of Methiopedia. There is also new data on methionine source comparisons: trials comparing L-Methionine, DL-Methionine and OH-Methionine in broilers, trials on ducks, swine, and literary reviews of methionine source comparisons in fish species.

Technology is also at the heart of this new edition: methionine distribution equipment, recommendations on their maintenance, specific results obtained for liquid OH-Methionine. Energy savings during pelleting are also presented, amongst other subjects.

The book is intended for nutritionists, purchasers, formulators, quality and technical managers within the premix and feed industries, as well as

disseo has launched a new edition of their Methiopedia, a technical guide on methionine sources used in animal feeds.

Five years after the first edition, Methiopedia Volume Two offers a complete description of the available forms of methionine with their characteristics and properties. It also compiles new trial results on nutritional and technological aspects.

students, who want to enhance their knowledge of methionine and its use.

 

Intricacies of methionine

The new volume includes several topics around methionine, divided into six chapters:

  • Methionine: Chemical forms and commercial products
  • available for animal nutrition
  • Metabolism and utilisation by the animal
  • The relative value of the different methionine sources
  • Formulating feed with supplemental methionine sources
  • Effects of methionine sources beyond protein synthesis
  • Technological aspects

In his introduction to Methiopedia, Jaap van Milgen of the Institut National de la Recherche Agronomique (INRA), a French public research institute dedicated to agricultural science, said "L-Met is the biologically active form of methionine. D-Met
has to be converted by the animal into L-Met. Interestingly, methionine is one of the few amino acids where the D-enantiomer can be efficiently converted into the L-enantiomer.

"Methionine is one of the building blocks of body protein and muscle protein contains approximately 2.7 percent Met. Because the carbon chain of methionine cannot be synthesised by the animal, methionine has to be provided by the diet, either through protein in feed ingredients, such as soybean meal, or through supplementation of the diet by one of the forms of Met (i.e. DL:- Met, DL-HMTBA or L-Met)", Mr van Milgen continues.

"To reduce the environmental impact of animal production, there have been considerable efforts to reduce the protein content in livestock feeds. This can be achieved, without the loss of

performance, if the amino acid profile of the feed corresponds as closely as possible to the amino acid requirement of the animal. The use of different forms of Met and other free amino acids has been crucial to achieve this."

He goes on to say, "this second edition of Methiopedia, by Adisseo, provides very useful information for professional animal nutritionists. It describes the metabolism and utilisation of different methionine sources by the animal and provides useful information for feed formulators and on the technological aspects of incorporating methionine sources in animal feed."

Dr Yves Mercier, Rhodimet Scientific & Technical Support Manager, told Feedinfonews, "from a nutritional point of
view, new efficacy data on various species are shared: in vivo methionine sources comparison trials, but also experiments and calculations on sources conversion or metabolism.

"These last years, the focus was put on the interest of OH- Methionine beyond protein synthesis, for example, its value as an organic acid, its interest in specific nutritional strategies from sows to finishing pigs (meat quality for example), etc.

"Apart from nutrition, technology is at the heart of this 2018 edition, with new information on methionine distribution equipment (description, functioning, recommendations for monitoring, etc.), performance results of methionine products distribution in feed: homogeneity, energy savings during pelleting using OH-Methionine, etc. The methionine market and available products are also briefly developed, including new products", Dr Mercier concludes.

Adisseo customers can get a copy of this book by contacting their local sales representative.

https://feedsolutions.adisseo.com

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