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Revista MVZ Córdoba
versão impressa ISSN 0122-0268versão On-line ISSN 1909-0544
Resumo
SANTOS R PH.D, Ronald; SEGURA C PH.D, Jose e SARMIENTO F PH.D, Luís. Egg quality during storage of eggs from hens fed diets with crude palm oil. Rev.MVZ Cordoba [online]. 2019, vol.24, n.3, pp.7297-7304. Epub 01-Jun-2020. ISSN 0122-0268. https://doi.org/10.21897/rmvz.1244.
Objective.
Evaluate the effect of crude palm oil (CPO) on quality traits of eggs stored various days at different temperatures.
Material and Methods.
A total of 240 hens, 28 weeks of age were fed diets with 30 g/kg of soybean oil (SO) or CPO. After 12 weeks, sample of eggs were stored during 0, 4, 8 and 12 days at 4, 12 and 24 °C. Egg quality traits were evaluated.
Results.
Egg and albumen from hens in CPO diet were heavier than those in SO (p<0.05). High storage temperature reduced egg, albumen and yolk weights, Haugh units (HU), albumen and yolk heights, pH and color (p<0.05), but increased albumen and yolk widths and albumen length (p<0.05). As storage time increased, egg weight, albumen weight and height, and yolk height, pH and colour were reduced (p<0.05). However, yolk weight and width, albumen width and length increased (p<0.05). Oil x storage time interaction (p<0.05) indicated that albumen height, HU and yellowness of yolk from hens in CPO diets were better at 12 days of storage than for hens fed SO.
Conclusions.
Hens in CPO diet had heavier eggs and albumen than those in SO diet. Egg quality traits decreased as temperature and days of storage increased, but, eggs from hens supplemented CPO had better quality in some traits at 12 days of storage.
Palavras-chave : Egg deterioration; egg properties; Elaeis guineensis; layer chickens; storage conditions (Sources: Agrovoc; CAB).