Abstract
ABSTRACT Samples from subcutaneous, intermuscular and internal fat depots of 30 crossbred pig carcasses with tenth rib fat thickness ranging from 1.5 to 4.3 cm were used to evaluate the relationships of backfat thickness and fat depot composition (moisture, lipid and cholesterol contents). Moisture and cholesterol were highest and lipid content was lowest in intermuscular fat while cholesterol was lowest (P < 0.05) in subcutaneous fat when compared to the other fat depots. Significant (P < 0.01) linear effects of tenth rib fat depth on moisture and lipid contents of all fat depots were observed. Linear effects (P < 0.05) of tenth rib fat thickness on cholesterol content of subcutaneous and internal fat depots were observed on both a wet and dry bases. However, the linear effect (P < 0.05) of tenth rib fat depth on cholesterol content in the intermuscular fat depot was observed only on a dry basis. When the three fat depots were combined, increased tenth rib fat depth resulted in decreased moisture and cholesterol contents on a dry basis while percentage lipid increased (P < 0.05).
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