Production of the 6-mth-old Friesian calf. II. Correlations between some plasma lipid components and weight gain, carcass composition, and fatty acid composition of carcass fat

Maria, C. de; Romita, A.; Aloisi, R.

Annali dell' Istituto Sperimentale per la Zootecnia 7(2): 199-216

1974


Accession: 000470215

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Abstract
The 22 animals used in Pt. 1 [see ABA 43, 5704] were bled at 4-wk intervals from 1 to 6 mth of age. Plasma lipid levels at the different ages are tabulated. Live-weight gain was highly significantly correlated with initial and final phospholipid levels (0.64 and 0.55 resp.) and with initial and final triglyceride levels (0.53 and 0.57). Corresponding values for correlations with total meat in the carcass were 0.49 and 0.46, and 0.48 and 0.55. Initial and final phospholipid levels were also significantly correlated with total carcass fat (0.50 and 0.53 resp.). The final cholesterol level was significantly correlated with the percentages of perirenal fat (0.42) and of total fat (0.42). Correlations between the fatty acid composition of kidney and longissimus dorsi fat and plasma lipid levels are tabulated.