ad libitum
英
美
随意；即兴（的）；无限制地
英英释义
adv
- without advance preparation
- he spoke ad lib
双语例句
- Light was provided 24 h a day, feed and water were provided ad libitum during the entire experimental period.
整个试验期实行24小时光照，自由采食和饮水。 - Group C and D was fed ad libitum only every other day from day 8 or day 31 after MAM, respectively.
C组和D组在接种MAM后分别从第8天或第31天起问日自由采食和禁食。 - On d 28 three ad libitum treatments in experiment 1 and d 21 in experiment 2, all the pigs were sacrificed to obtain dorsal subcutaneous, abdominal subcutaneous and visceral adipose tissue samples.
试验1和试验2结束时，屠宰试验1中的自由采食组和试验2的所有仔猪，取背部、腹部和内脏脂肪组织，提取总RNA。 - The results showed that there was diurnal rhythm of digestive enzymes activities in the intestinal fluid of ducks under ad libitum access to diets and water.
结果表明，北京鸭在自由采食、饮水的条件下，小肠液中消化酶活性具有昼夜节律及日间变化。 - Mice were placed in a standarded light-dark cycle with food and water ad libitum for 2 wk before experimens.
小鼠自实验前2Wk置于标准的明期和暗期下饲养，自由进食饮水。 - Laying hens were housed in a naturally ventilated room with an average temperature of 23 C and an average relative humidity of 66%. were fed thrice daily, and had access to feed and water for ad libitum consumption.
舍内自然通风.平均温度23℃，平均相对湿度66%，日喂3次，自由采食与饮水，每日分别记录各组的采食量、产蛋量、蛋重。 - Transplantation of ad libitum flap of nasolabial groove for inferior lip defect
鼻唇沟任意型皮瓣在下唇缺损畸形整复中的应用 - 174 day-old AA male broilers were randomly assigned to 3 groups, which were provided corn-soybean meal diet and water for ad libitum.
选择174只1日龄AA肉仔鸡公雏，随机分成3组，采食玉米-豆粕日粮。 - The correlation coefficient of the corresponding parameters in the group fed with ad libitum feeding were-0.46, 0.97 and-0.46respectively.
而在自由采食下，这三个相关系数则依次为-0.46,0.97和-0.46。 - Early feed restriction markedly decreased the plasma MDA concentration. The plasma SOD and GSH-Px activity of feed restricted broiler was markedly higher than that of the fed ad libitum broiler during late experimental period.
限饲处理显著降低了肉鸡血浆MDA含量，并且限饲处理肉鸡生长后期血浆中SOD和GSHpx活性显著高于自由采食组肉鸡。