ArticleTranslational animal science2025
L-glutamine- and enzyme-supplementation via liquid feed to suckling piglets does not impact growth, health or intestinal structure.
Article in Translational animal science, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
The provision of liquid creep feed to suckling pigs has been shown to increase dry matter intake compared to dry creep feeding. The increased feed intake associated with liquid feeding makes it attractive as a means of delivering feed additives to suckling pigs to optimize growth and health. The objective of this study was to determine the effect of L-glutamine and enzyme supplementation of liquid creep feed on pig growth up to target slaughter weight (~120 kg), health and intestinal structure. Sixty sows and their litters were blocked on sow parity, previous number of piglets weaned and sow weight at day 107 of gestation, and the litters were randomly assigned to one of 3 dietary treatments: 1) liquid starter diet (control); 2) control diet supplemented with 10 g of L-glutamine per kg of starter diet (glutamine); and 3) control diet supplemented with a cocktail of enzymes (lipase, protease and α-amylase included at 160 Lipase units, 30,000 New Feed Protein units and 67.5 Kilo Novozymes units, respectively per kg of starter diet). Dietary treatments were fed from day 8 of age to weaning at day 28. Pig weight and dry matter disappearance (DMd) were recorded during lactation and post-weaning until pigs reached target slaughter weight (~120 kg) at 158 d of age. Carcass weight and quality were recorded. Medication usage, and the number of injections and clinical cases of disease were recorded from birth to slaughter. At day 5 post-weaning, a subset of pigs (n = 30) were sacrificed and intestinal samples were collected for histological analysis. The DMd of creep feed did not differ between treatments (
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