求翻译：本次试验选择临床健康，日龄、体重相同或相近的杜长大三元杂交猪350头，随机分7个组，每组50头。分别在第28日龄、42日龄、56日龄、84日龄、126日龄和182日龄时，逐一对各试验猪进行体重和采食量测定，计算平均日增重，进行对比分析。是什么意思？

This experiment choose a clinical health, age, body weight the same or similar DLY 350 crossbred pigs were randomly divided into seven groups (n = 50). 28 days of age, respectively, 42 days, 56 days, 84 days, 126 days and 182 days of age, one by one for each test pig weight and feed intake measureme

This test on selected clinical health, aging, weight the same or similar du grew up $3 350 hybrid pig head, and randomly divided into 7 groups of 50 each. In the first 28 respectively on Aging on Aging, 42, 84, 56, on Aging, aging, 126, and 182 days old age, on a case-by-case basis when the pilot pi

This experimental choice clinical health, the date age, the body weight same or close Du grows up three Yuan hybrid pig 350 heads, along with fuselage 7 groups, each group of 50 heads.Separately when 28th date age, on 42nd age, on 56th age, on 84th age, on 126th age and on 182nd age, one by one carr

This time select clinical health, age, weight, the same or similar du grew up three-way cross swine 350, randomly divided into 7 groups, each set of 50. Respectively, on the 28th day of age, 42, 84-day old age, 56 days of age, 126 day-old and when the 182-day old, one by one on the experimental dete

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