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作者研究了五种不同膳食水平的V_(D3)对两月龄断乳Yorkshire猪冠状动脉的影响。实验分为五组,每组17～60头动物:四组连续饲以每吨含下列水平V_(DS)的饲料四个月,第一组为10万IU,第二组为30万IU,第四组为200万IU,第五组为400万IU;第三组前两个月为10万IU,后两个月400万IU。于实验期结束时宰杀动物,测血浆中总胆固醇、总甘油三
The authors studied the effect of V_ (D3) at five different dietary levels on coronary arteries in two-month-old weaned Yorkshire pigs. The experiment was divided into five groups with 17-60 animals in each group: four groups were fed continuously for four months with the following levels of V DS diet, the first group was 100,000 IU, the second group was 300,000 IU, The fourth group is 2 million IU, the fifth group is 4 million IU; the third group is 100,000 IU in the first two months and 4 million IU in the second two months. Animals were slaughtered at the end of the experiment period to measure plasma total cholesterol and total triglycerides