Fertility
Found in 72 Collections and/or Records:
Heredity and fertility in sheep, December 1963
Located in A.B.R.O. Reprints 1962 - 1964. Volume 3 of 19.
How does the Meishan pig achieve its prolificacy?, 1991
Located in I.A.P.G.R-E.R.S. Staff Papers 1991. Part 2.
Improvement of sheep fecundity by treatment with antisera to gonadol steroids, 1982
Located in A.B.R.O. Reprints 1982. Volume 16 of 19.
Increase in heterozygote frequency with differential fertility, May 1966
Located in A.B.R.O. Reprints 1965 - 1966. Volume 4 of 19.
Influence of the male on the decline of fertility with age in broiler breeder flocks, 1990
Located in I.A.P.G.R-E.R.S. Staff Papers 1990. Part 1 and Index.
Letter to James Cossar Ewart from A. Hayward, 10 January 1913
Hayward writes that he would like to capture some Burchell's zebras for his estate in South Africa and enquires whether a hybrid zebra and horse stallion would be fertile. He has heard that the Burchell's zebra mixes more freely with donkeys and mules than with horses.
Letter to James Cossar Ewart from Digby Willoughby, 27 May 1904
Willoughby, who signs himself 'Middleton', accepts Ewart's offer of the young stallion to go to Applecross and asks him to arrange the journey. He remarks that he has never found the pony's sister with the white mane and tail to be in season.
Letter to James Cossar Ewart from Percy St Michael Podmore, 29 December 1903
Podmore writes on the recommendation of Professor Poulton and asks Ewart if he know whether anyone else had proved the fertility of the ringdove or stock dove hybrids before himself (ie Podmore).
Letter to James Cossar Ewart from Sir Claud Alexander, 09 August 1913
Alexander suggests that one of them should try to get the fertile mule, and that he is happy to purchase her if need be. He reports that Sir Charles Assheton Smith has purchased a zebra hybrid for £200.
Libido and fertility in rams in relation to plasma copper levels, 7 February 1976
Located in A.B.R.O. Reprints 1976. Volume 10 of 19.