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。 - 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。 - 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。 - 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 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。 - 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。 - 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 significance relationships of ad libitum feeding group between LD and ST in meat color, moisture content, crude protein content were changed by restricted feeding.
限制饲喂改变了自由采食饲喂方式下背最长肌和半腱肌肉色间、水分含量间、蛋白质含量间的显著性关系。 - Compared with the serum of pigs fed ad libitum in growing phase, sera of pigs fed restrictedly in the same phase decreased the capacity of C 2C 12 proliferation by 18 8% ( P< 0 01).
与自由采食的猪血清相比，生长期限制采食的猪血清，可使C2C12细胞的增殖能力降低188%（P<001）； - 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。