title: The reproductive performance of Brittish breeds of sheep in an equatorial environment. III. Further data on imported ewes and their progeny.
mesh_terms: D000818:Animals; D003105:Colombia; D005260:Female; D008297:Male; D011247:Pregnancy; D012098:Reproduction; D012756:Sheep / Q000502:physiology*; D014329:Tropical Climate; D006113:United Kingdom