TY - GEN AU - Whitehead,C AU - Bromage,N R AU - Breton,B AU - Billard,R TI - Effects of altered photoperiod on serum gonadotrophin levels and spawning in female rainbow trout [proceedings] SN - 0022-0795 PY - 1979///0328 KW - Animals KW - Female KW - Gonadotropins KW - blood KW - Light KW - Periodicity KW - Reproduction KW - Salmonidae KW - physiology KW - Trout N1 - Publication Type: Journal Article ER -