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Revista de la Facultad de Medicina Veterinaria y de Zootecnia
versão impressa ISSN 0120-2952
Resumo
OSORIO, J. H. e FLORES, J. D.. Blood lipid comparison between broilers and laying hens. Rev. Med. Vet. Zoot. [online]. 2018, vol.65, n.1, pp.27-35. ISSN 0120-2952. https://doi.org/10.15446/rfmvz.v65n1.72021.
The aim of the present study was to compare total cholesterol, triglycerides, low-density lipoprotein cholesterol and high-density lipoprotein cholesterol serum levels between broiler chickens and laying hens. Whole blood was collected after fasting from 30, 35-day-old broiler chickens (Cobb 500 line) and 40, 26-week-old laying hens (Hy-Line line W-36). The serum triglyceride and total cholesterol levels were measured by enzymatic colorimetric methods, while a direct method [detergent + N,N-Bis(4- sulfobutyl)-m-toluidine] was used to determine the low density lipoprotein cholesterol and high density lipoprotein cholesterol levels. Data were analyzed by simple ANOVA using the statistics package Statgraphics® Plus 5.1. Significant differences (P < 0.05) were found between broiler chickens and laying hens in serum triglycerides (21.4 vs. 759.6 mg/dL, respectively) and high-density lipoprotein cholesterol levels (93.1 vs.64.6 mg/dL, respectively). No significant differences were found for total cholesterol (125.1 and 137.0 mg/dL, respectively) or low-density liprotein cholesterol levels (52.2 and 48.2 mg/dL, respectively). The results of the present study show that even though there are differences in gender, age, sexual maturity and production systems, there are no differences in serum total cholesterol or low-density lipoprotein cholesterol levels between broiler chickens and laying hens. The 35-fold difference in serum triglycerides is related to the transport of lipids to the ovary in a laying hen.
Palavras-chave : blood lipid profile; broiler chickens; laying hens; serum triglycerides..