Selection methods in plant breeding based on mode of reproduction — This article discusses Selection methods in plant breeding based on mode of reproduction. Some plants reproduce by (more or less strict) self fertilization where pollen from a plant will fertilise reproductive cells or ovules of the same plant.… … Wikipedia
animal breeding — Introduction controlled propagation of domestic animals in order to improve desirable qualities. Humanity has been modifying domesticated animals to better suit human needs for centuries. Selective breeding involves using knowledge from several… … Universalium
red factor — noun : a canary carrying some proportion of black hooded red siskin blood and used in breeding to increase reddish tones in the plumage of the offspring … Useful english dictionary
коэффициент воспроизводства ядерного топлива — — [А.С.Гольдберг. Англо русский энергетический словарь. 2006 г.] Тематики энергетика в целом EN breeding ratiofuel conversion ratioBRconversion ratioCRbreeding factorconversion factorgain factor … Справочник технического переводчика
Life Sciences — ▪ 2009 Introduction Zoology In 2008 several zoological studies provided new insights into how species life history traits (such as the timing of reproduction or the length of life of adult individuals) are derived in part as responses to… … Universalium
reproductive behaviour — In animals, any activity directed toward perpetuation of a species. Sexual reproduction, the most common mode, occurs when a female s egg is fertilized by a male s sperm. The resulting unique combination of genes produces genetic variety that… … Universalium
migration — migrational, adj. /muy gray sheuhn/, n. 1. the process or act of migrating. 2. a migratory movement: preparations for the migration. 3. a number or body of persons or animals migrating together. 4. Chem. a movement or change of position of atoms… … Universalium
Agriculture — General … Wikipedia
Holstein (cattle) — The Holstein or Friesian is a breed of dairy cow known today as the world s highest production dairy animal. Originating in Europe, Holsteins were developed in what is now the Netherlands and more specifically in the two northern provinces of… … Wikipedia
Monsanto — This article is about the corporation. For other uses, see Monsanto (disambiguation). Monsanto Company Type Public company Traded as NYSE: … Wikipedia
Colony collapse disorder — Honey bees entering a beehive Colony collapse disorder (CCD) is a phenomenon in which worker bees from a beehive or European honey bee colony abruptly disappear. While such disappearances have occurred throughout the history of apiculture, the… … Wikipedia