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
- 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。 - During the 28 days experiment the piglets were allowed ad libitum to feed and water.
在28d的试验期中，仔猪自由采食与饮水。 - 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 - 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。 - 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。 - 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。 - The growth trial lasted 42 days, and experimental diets and water were available ad libitum during the entire experimental period.
进行为期42天的生长试验，试验期间自由采食和饮水。 - 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。 - Feeding a grower/ finisher diet ad libitum from arrival in the breeding herd to puberty but delay mating until live weight and P2 targets are reached.
在进入种畜群后自由采食生长肥育猪日粮至初情期，但是要在活重或P2背膘厚达标后再配种。 - 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。