breeding stock• The local breeding stock appears to disperse in July and August and winter visitors may start to arrive in September.• Whilst the dates of Autumnsales for disposal of breeding stock may be the finalfactor.• This, again, ensures that the pool of breeding stock is continually improved with the introduction of non-related bloodlines.• the sale of breeding stock• It seems most likely that the breeding stock is becoming resident on its breeding waters.• The breeding stock has increased steadily since 1958, and some increase has occurred in the number wintering.• The high number of farms with adultcattle was surprising especially in areas more suited to breeding stock.