• 1963
  • Melanoscleritoites (Eisenack, 1963) is interpreted as a hydrozoan, with other taxa not attributable to that particular class, on the basis of a broad morphological similarity - though the distinguishing features are far from unequivocal, and the preservation of the material raises some taphonomic problems. (wikipedia.org)
  • Their efforts were successful in reintroducing the Arabian oryx (under the auspices of the Fauna and Flora Preservation Society), in 1963. (wikipedia.org)
  • genetic
  • For this purpose the semen is bought and the cow is bred artificially with the hope that the young will receive that genetic trait. (wikipedia.org)
  • The United States Department of Agriculture's National Animal Germplasm Program has collected semen samples from several of the sheep as part of a program that aims to preserve the genetic material of animals significant to American history. (wikipedia.org)
  • main
  • Cervical insemination with fresh semen is the main method chosen due to its simplicity and satisfactory results. (intechopen.com)
  • quality
  • The explanation seems to be that the various gynecological clinics have not had access to a sufficiently large semen laboratory which could check the quality of the ejaculates supplied and the reliability of the technique used. (springer.com)
  • In cervical AI, semen is deposited in the external portion of the cervix and the sperm transport is affected by cervical mucus quality. (intechopen.com)
  • Furthermore, this approach yields lower-quality semen, because shipping requires extending the life of the sperm for the transit time. (wikipedia.org)