Rates of triacylglycerol entry into the circulation in the lactating rat

The rate of entry of triacylglycerols into the circulation in lactating rats decreased after parturition and increased in mid-lactation. The decrease in entry rate after parturition may contribute to the disappearance of the hyperlipaemia of pregnancy. A method is described for the determination of the rate of entry in vivo of both triacylglycerols and lipid synthesized de novo.