Cross-Breeding
Found in 212 Collections and/or Records:
Dexter Shorthorn Heifer 5 - Cross, 1870s-1930s
Photograph of a Dexter Shorthorn heifer, 5th cross standing in a wooded field in the early 20th century. Owned by Major Barton of Straffan, Ireland who began [breeding?] about 1860.
Draft letter to Herbrand Arthur Russell, 11th Duke of Bedford from James Cossar Ewart, 14 January 1909
Dumba-Hussar Cross-Bred Sheep, 1870s-1930s
Photograph of three Dumba-Hussar cross-bred sheep standing in a paddock in the early 20th century.
Dumba Ram and Dumba Deccant Cross-Bred Sheep, 1870s-1930s
Photograph of a Dumba ram and four Dumba deccant cross-bred sheep in a field with a stone fence and trees in the background in the early 20th century.
East African Nebele Cross Sheep, 1870s-1930s
Photograph of a flock of East African Nebele cross sheep grazing in a field in the early 20th century.
Effects of crossbreeding and inbreeding on the frequencies of blood groups in three breeds of sheep, 1974
Located in A.B.R.O. Reprints 1973 - 1974. Volume 8 of 19.
Estimations of heterosis in crossbred dairy cattle, 1977
Located in A.B.R.O. Reprints 1977. Volume 11 of 19.
Evidence on the genetic control of LH release in response to GnRH from crosses betwen selected lines of sheep, 1993
Located in Roslin Institute Staff Papers 1993. Part 1.
First Cross from Shorthorn Bull, 1870s-1930s
Photograph of a Shorthorn bull and a calf which was the first cross from it with a man standing in the background.
First Cross Mashona and Northern. W[illiams], 1870s-1930s
Photograph of three first cross Mashona and Northern. W[illiams] cattle in a field with two men in Africa in the early 20th century.