Physiological adjustments throughout lactation purpose oxidative tension in sows, scale back immunity, and abate the expansion capability of piglets. Subsequently, offering ok vitamins is of necessary significance. Nutritional fatty acids supplementation throughout overdue being pregnant and/or lactation can build up the total clutter enlargement and pig weaning weights, scale back frame weight reduction throughout lactation, and have an effect on milk yield and milk fatty acid profile. Alpha-glycerol monolaurate (α-GML) is an α-monoglyceride of medium-chain fatty acid (MCFA) lauric acid, which has possible for boosting the antimicrobial process of sows and the expansion of suckling piglets. Thus, this find out about aimed to judge the affect of α-GML on sow efficiency, milk composition and piglets’ enlargement. 80 sows had been allotted randomly to 4 teams: basal nutrition and basal diets supplemented with 500, 1000, or 2000 mg/kg α-GML. The experiment began on day 85 of gestation and lasted till piglets had been weaned on day 21 of lactation. The collection of live-born piglets was once standardized to twelve ± 1 in step with sow at the day of parturition. On days 0 and 21 of lactation, frame weight of piglets was once measured and milk samples had been bought from sows, and serum samples and feces from piglets had been bought on day 21.
In consequence, feed consumption, backfat loss, and weaning estrus period didn’t range a number of the 4 teams of sows. Maternal α-GML supplementation greater the frame weight of piglets at weaning and the obvious overall tract digestibility of crude fats of sows. The immunoglobulin A and immunoglobulin G ranges had been larger in a quadratic way within the milk of sows as nutritional α-GML greater. Regarding fatty acid profile, C12:0, C15:0, C17:0, C18:2n6c, C18:3n3, C24:0, and C22:6n3 had been upper in linear and quadratic manners in colostrum of sows-fed α-GML diets in comparison with the regulate sows. There was once decrease n-6:n-3 polyunsaturated fatty acid ratio in milk than within the regulate sows. Maternal α-GML greater the abundance of Firmicutes and lowered the abundance of Proteobacteria of piglet fecal microbiota.
In conclusion, nutritional supplementation with α-GML advanced milk immunoglobulins and adjusted fatty acids of sows, thereby making improvements to the well being of piglets.
Li L, Wang H, Dong S, Ma Y. Supplementation with alpha-glycerol monolaurate throughout overdue gestation and lactation complements sow efficiency, ameliorates milk composition, and improves enlargement of suckling piglets. Magazine of Animal Science and Biotechnology. 2023; 14(1): 1-12.
https://doi.org/10.1186/s40104-023-00848-x