Zobrazeno 1 - 4
of 4
pro vyhledávání: '"O. G. Williams"'
Publikováno v:
Annals of Applied Biology. 30:164-169
Field experiments on about 4700 sheep at about forty different farms in North Wales are discussed. Crutching is the most effective control measure for lambs. Regular dipping with commercial arsenic-sulphur dips gives reasonable control except during
Autor:
O. G. Williams, D. E. Edwards
Publikováno v:
Grass and Forage Science. 1:142-144
Autor:
O G, WILLIAMS
Publikováno v:
The Journal of the College of General Practitioners. 8
Autor:
O. G. Williams
Publikováno v:
Grass and Forage Science. 8:31-31