Collins Thesaurus of the English Language – Complete and Unabridged 2nd Edition. 2002 © HarperCollins Publishers 1995, 2002 Want to thank TFD for its existence?Tell a friend about us, add a link to this page, or visitthe webmaster's page for free fun content. ...
The majority of educators surveyed are elderly as 52% of educators surveyed are between 36 and 50 years of age and 42% of educators surveyed have a primary education. It seems that the breeding of the Ouled Djellal and Rembi sheep breed is ...
cattle- domesticated bovine animals as a group regardless of sex or age; "so many head of cattle"; "wait till the cows come home"; "seven thin and ill-favored kine"- Bible; "a team of oxen" Bos taurus,cows,kine,oxen calf- young of domestic cattle ...
An example is the bovine leukocyte deficiency gene, which does not allow white blood cells to migrate out of the blood supply into the tissues to fight infection. The calves perish at a young age. Screening all sires that enter artificial breeding organizations and not using sires that transmit...
Several reasons for early sexual maturation in female desert sheep are provided.doi:10.1515/mamm.1982.46.2.183Joel BERGERDe GruyterMammaliaBerger, J. 1982 . Female breeding age and lamb survival in desert bighorn sheep ( Ovis canadensis ). Mammalia 46: 183 – 192 ....
The aim of this paper is to review highly prolific sheep breeds and their use in different crossbreeding programmes. Prolific sheep are characterized by high fertility and fecundity values. Both, mainly the litter size, vary greatly between breeds, as well as with season, age and nutrition年份...
The ewe lambs normally attained puberty in their first year of life, on average at 7 months of age, with marked individual variation in both age and body weight at first oestrus. Ewe lambs always showed oestrus on average slightly later than mature ewes (2–9 years), the mean date of ...
The age of first breeding is estimated to be 17 years for males and 22 years for females.en.wikipedia.org It is black in breeding plumage, and very pale in winter.en.wikipedia.org Several of the breeding islands are protected areas.en.wikipedia.org They migrate between saltwater and freshwat...
(age of breeding). The σgfactor cannot be easily changed within a breed, though it can be changed bycrossbreeding. The other quantities in the equation can be changed. More completepedigreerecords on candidates for breeding can increase the accuracy of selection, but waiting for candidates to ...
9 RegisterLog in Sign up with one click: Facebook Twitter Google Share on Facebook Thesaurus Encyclopedia Wikipedia Related to stockbreeding:husbandry stock·breed·ing (stŏk′brē′dĭng) n. The breeding and raising of livestock. stock′breed′ern. ...