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Serum biochemistry profile of laying hens fed diets with fish waste oil

2021; UNIVERSIDADE FEDERAL DE MINAS GERAIS; Volume: 73; Issue: 1 Linguagem: Inglês

10.1590/1678-4162-11704

1678-4162

Kely Cristina Bastos Teixeira Ramos Brelaz, Frank George Guimarães Cruz, João Paulo Ferreira Rufino, Ronner Joaquim Mendonça Brasil, AF Silva, Adriene Núzia de Almeida Santos,

Antioxidant Activity and Oxidative Stress

ABSTRACT The present study aimed to evaluate increasing levels of fish waste oil in diets for laying hens on serum biochemistry profile. 192 Hisex White laying hens at 29 weeks of age were used, with water and food ad libitum. The experimental design was completely randomized consisting of eight treatments corresponding to the inclusion levels of fish waste oil (0, 0.5, 1.0, 1.5, 2.0, 2.5, 3.0 and 3.5%) in the diets, with four replicates of six birds each. Data collected were subjected to polynomial regression at 5% of significance. Significant differences (P<0.05) were observed in triglycerides, glucose, total cholesterol, and uric acid. These parameters presented a decrease when hens fed diets with higher level of fish waste oil. The results of the present study indicated that the inclusion of fish waste oil caused a significant effect in the serum biochemical profile of laying hens, especially in glucose, triglycerides, total cholesterol, and uric acid concentrations. The inclusion level of 3.5% of fish waste oil caused larger disequilibrium in the serum biochemical profile of laying hens.