Supplementing Sacha Inchi (Plukenetia volubilis) Oil in Laying Hen Diets: Influences on Production Performance, Egg Quality and Fatty Acid Profile. - 2025
[en] The omega-3 polyunsaturated fatty acids (n-3 PUFA) in animal-derived foods are increasingly important for human health. Sacha inchi (Plukenetia volubilis L.), rich in n-3 PUFA, is a promising feedstuff for producing n-3 PUFA-enriched animal products. However, research on dietary Sacha inchi oil (SIO) supplementation in laying hens remains limited. Therefore, this study aimed to evaluate the effects of SIO on production performance, egg quality, and yolk fatty acid (FA) composition in laying hens. A total of 192 hybrid hens [(♂ White Leghorn × ♀ Egyptian Fayoumi); initial body weight: 1910 ± 22.14 g; age: 25 weeks old] were randomly assigned one of the four diets: a basal diet (CONT), and three tested diets based on CONT with the addition of 1.5%, 3.0%, and 4.5% SIO (as-feed basis) (SI15, SI30, and SI45, respectively). Each dietary treatment included 48 hens housed in 12 battery cages for 56 days with 4 birds per cage. Increasing dietary SIO levels significantly reduced average daily feed intake (p < 0.05). Egg yolk weight linearly increased (p < 0.05) with higher SIO inclusion, while other egg quality traits were unaffected. SIO supplementation significantly increased (p = 0.001) yolk n-3 PUFA level (from 0.79% to 8.29% on day 28, and from 0.87% to 9.13% on day 56) and substantially reduced the n-6/n-3 PUFA ratio by about nine-fold on both 28 and 56 days. In conclusion, SIO is a promising n-3 PUFA-rich feed ingredient for egg production. Adding 3.0-4.5% SIO in laying hen diets can enhance egg yolk weight and n-3 PUFA level while reducing feed intake without negatively affecting egg production or quality.
Research Center/Unit :
FARAH. Productions animales durables - ULiège
Disciplines :
Animal production & animal husbandry
Author, co-author :
Oanh, Nguyen Cong ; Faculty of Animal Science, Vietnam National University of Agriculture, Hanoi 131000, Vietnam
Thu, Cu Thi Thien; Faculty of Animal Science, Vietnam National University of Agriculture, Hanoi 131000, Vietnam
Hornick, Jean-Luc ; Université de Liège - ULiège > Département de gestion vétérinaire des Ressources Animales (DRA)
Nguyen, Don Viet ; Faculty of Animal Science, Vietnam National University of Agriculture, Hanoi 131000, Vietnam ; School of Environmental and Rural Science, University of New England, Armidale, NSW 2351, Australia
Language :
English
Title :
Supplementing Sacha Inchi (Plukenetia volubilis) Oil in Laying Hen Diets: Influences on Production Performance, Egg Quality and Fatty Acid Profile.
Publication date :
02 October 2025
Journal title :
Veterinary Sciences
eISSN :
2306-7381
Publisher :
Multidisciplinary Digital Publishing Institute (MDPI), Switzerland
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