ad libitum

英

美

随意；即兴（的）；无限制地

医学

英英释义

adv

• without advance preparation
  1. he spoke ad lib
  Synonym:ad libspontaneouslyimpromptu

双语例句

• 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。
• 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。
• 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。
• When the feeding of rosaniline in a concentration of 0.33% in the diet to white mice ad libitum was started 1 day before infection and continued for 26 days, the number of worms was markedly reduced.
  小白鼠自感染日本血吸虫病前1日起，饲以0.33%rosaniline药饵26天，可使虫数显著减少。
• 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。
• The basic diet includes 12% wheat bran, 8% bean, 6% casein, and 4% mixture of vitamins and mineral elements. All minipigs were housed individually in the pen, and had ad libitum access to feed and water.
  转基因大米组（GG），饲喂70%转SCK基因大米+基础饲料。基础饲料包括12%小麦麸，8%豆粕，6%酪蛋白和4%的矿物质和维生素混合物。
• 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。
• 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。