Livestock improvement in relation to heredity and environment /

Eitemau Tebyg

• Livestock improvement in relation to heredity and environment /
  gan: Nichols, J. E. (James Edward), 1902-
  Cyhoeddwyd: (1944)
• Environment and the evolution of breeds of livestock /
  gan: Yeates, N. T. M. (Neil Tolmie McRae), 1915-
  Cyhoeddwyd: (1966)
• A world dictionary of livestock breeds, types, and varieties /
  gan: Mason, I. L. (Ian Lauder), 1914-
  Cyhoeddwyd: (1988)
• A history of British livestock husbandry to 1700.
  gan: Trow-Smith, Robert
  Cyhoeddwyd: (1957)
• Improving the servicing of animal breeding programs in Australia : report of a workshop held at the University of New England, Armidale, N.S.W., July 11-15, 1977 /
  Cyhoeddwyd: (1977)