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Some Aspects on the Metabolic Effect of Amino Supplementation of Pig Diets

Einige Aspekte auf den metabolischen Effekt aminosäurebereicherten Schweinefutters

Några synpunkter på de metabola effekterna av aminosyraberikat svinfoder

Summary

Three series of feeding experiments in pigs are reported. It was found that supplementation of groats or commercial pig feed with L-lysine.HCL and DL-methionine improved growth rate, feed efficiency and meat/fat ratio. At the same time adaptive changes in some enzyme systems of liver and skeletal muscle occurred. The female animals ovulated earlier on the amino acid supplemented feed.

The results are discussed in relation to modern views in nutrition.

Zusammenfassung

Drei Serien von Ausfütterungsversuchen an Schweinen werden beschrieben. Es konnte festgestellt werden, dass bei Bereicherung des Schrotes oder der kommersiellen Schweinefuttermischungen mit L-Lysin.HGL und DL-Methionin, der Zuwachs, die Futterausnutzung und die Fleisch/Fett Quote zunahm. Gleichzeitig konnten adaptive Veränderungen in gewissen Enzymsystemen in der Leber und in der Skelettmuskulatur beobachtet werden. Die weiblichen Tiere ovulierten bei der aminosäurebereicherten Diet zeitiger.

Die Resultate werden im Zusammenhang mit neueren Erfahrungen innerhalb der Nutrition diskutiert.

Sammanfattning

Tre typer av utfodringsförsök på svin beskrivs. Det kunde konstateras att berikning av gröpe eller kommersiell svinfoderblandning med L-lysin.HGL och DL-metionin ökade tillväxten, foderutnyttjandet och kött/fett kvoten. Samtidigt kunde adaptiva förändringar i vissa enzymsystem i lever och Skelettmuskulatur iakttagas. Hondjuren ovulerade tidigare på den aminosyraberikade dieten.

Resultaten diskuteras i anslutning till nyare rön inom nutrition.

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The investigation was aided by grants from Statens Medicinska Forskningsråd, Stiftelsen Svensk Näringsforskning and AB Ferrosan.

The technical assistance of chem.ing. S. A. Jönsson and Miss Ulla Hoff is gratefully acknowledged.

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Larsson, S., Nilsson, T. & Olsson, B. Some Aspects on the Metabolic Effect of Amino Supplementation of Pig Diets. Acta Vet Scand 7, 47–65 (1966). https://doi.org/10.1186/BF03547097

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