Utilization of ileal digestible amino acids by pigs: lysine

The British Journal of Nutrition
E S BatterhamR J Elliott

Abstract

Two experiments were conducted to determine the utilization of ileal digestible lysine by pigs. In the first, the apparent ileal digestibility of amino acids in cottonseed meal, meat-and-bone meal and soya-bean meal was determined in pigs fitted with 'T'-shaped cannulas. In the second experiment, three lysine-deficient diets were formulated to 0.36 g ileal digestible lysine/MJ digestible energy (DE), with lysine contributed from the three protein concentrates as the only source of lysine in sugar-based diets. An additional three diets were formulated with supplements of lysine to verify that lysine was limiting in the first three diets. The growth performance and retention of lysine by pigs given the six diets over the 20-45 kg growth phase were then determined. The apparent ileal digestibility of lysine in the three protein concentrates (proportion of total) was: cottonseed meal 0.74, meat-and-bone meal 0.78, soya-bean meal 0.89. Growth rates (g/d) of the pigs given the three diets formulated to 0.36 g ileal digestible lysine/MJ DE were significantly different (P less than 0.001): cottonseed meal 377, meat-and-bone meal 492, soya-bean meal 541. The response of pigs to the addition of lysine confirmed that lysine was limiting i...Continue Reading

References

Jul 1, 1981·The British Journal of Nutrition·E S Batterham, R D Murison
Feb 1, 1983·Journal of the Science of Food and Agriculture·M R TavernerC J Rayner

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Citations

May 1, 1991·The British Journal of Nutrition·S A BeechR Elliott
Nov 1, 1993·The British Journal of Nutrition·E S BatterhamD R Baigent
Sep 1, 1994·The British Journal of Nutrition·P D OvertonL M Morgan
Mar 1, 1994·The British Journal of Nutrition·E S BatterhamD R Baigent
Jan 1, 1992·Nutrition Research Reviews·E S Batterham
Apr 1, 1994·The British Journal of Nutrition·E S Batterham, L M Andersen
Mar 1, 1993·The British Journal of Nutrition·E S Batterham

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