00518nam a2200205 a 450000500170000002000180001708200160003510000060005111000110005711000230006811000220009124500530011326000490016630000230021549000350023850000190027360000080029285600060030085600060030620251203114854.0  a9780750615112  a636.08bBIO  d_  aBIOTOL  aThames Polytechnic  aOpen Universiteit  aBiotechnology innovations in animal productivity  aOxford ; BostonbButterworth-Heinemannc1992  a210 p.c24 cm.bPB  aBiotechnology by Open Learning  aIncludes index  bc_  f_  a_