英语释义

1. a local variety of a species of plant or animal that has distinctive characteristics arising from development and adaptation over time to conditions of a localized geographic region and that typically displays greater genetic diversity than types subjected to formal breeding practices
A small number of popular, high-yielding crop varieties bred by these companies have increasingly edged out landraces, the varieties adapted to localized conditions during millennia of farming.
— Janet Raloff By the 1900s most indigenous, colored cotton landraces, or cultivars, grown in Africa, Asia and Central and South America were replaced by all-white, commercial varieties.
— James M. Vreeland, Jr. Unlike pedigreed breeds, dogs described as a landrace are a loose population of canines with greater variation in appearance and temperament. They are physically adapted to a specific environment and often selected for working ability.
— Kim Thornton

2. a usually white, long-bodied pig of any of several breeds having large, drooping ears and developed from stock of the original Danish breed derived from a localized population of free-breeding swine native to Denmark
Although [Emma] Wischmeier said she tends to have a special bond with the cows she has raised, first-year exhibitor Sam Williams can't say the same about the 312-pound American Landrace pig he has been caring for since March.
— Mark Webber

片语

landrace variety地方品种

Swedish LandraceThe Swedish Landrace is the leading breed of pig in Swede They have heavy drooping ears and a white coat.

Landrace pigs长白猪

landrace population地方品种群体

belgian landraceThe Belgian Landrace, also known as the Improved Belgian, Belgian Improved Landrace, and the Belgian Lop-eared, is a breed of domestic pig from northern Belgium. It was created from importing English breeds and improving them until they were "graded up" to the German Improved Landrace from 1930 to 1945 and then breeding them with the Dutch Landrace in 1945.

American LandraceThe American Landrace is a medium to large breed of domestic pig, white in colour, with long bodies, fine hair, long snouts, and heavy, drooping ear They are bred for pork productio

landrace sow长白母猪

landrace gilts长白母猪

french landrace法国长白

英汉例句

• The results indicated that IMF of Meishan, Ningxia Black and Duroc were higher than that of Landrace and Yerkshire(P

  结果表明，梅山猪、宁夏黑猪和杜洛克猪肌内脂肪含量高于长白猪和约克夏猪（P

• The additive effect of the gene on litter size in Tailiu Pig is 1.39 higher than the allele in Landrace. The gene in Taihu Pig is dominant to the allele in Landrace with dominant ratio of 0.81.

  太湖猪产仔数性状基因加性值比长白猪高1．39头，太湖猪高产仔数基因对长白猪等位基因呈显性，显性度为0．81。

• Landrace sow was culled out after 8 farrowing, in order to increase producing profit.

  建议长白母猪在产完8胎后立即淘汰，以提高生产效益。

• The Landrace variety Monkhead use more soil water, but the water using efficient is low.

  而适度的干旱可以提高水分利用效率和收获指数。