Environmental influences on reproduction and semen production in the buck,
the problem of interaction between seminal plasma and egg yolk or milk cons
tituents in diluent, liquid storage and processing of semen for freezing ar
e discussed. A review is given on the use of frozen-thawed semen for artifi
cial insemination (AI) in spontaneous and induced oestrus and factors influ
encing the fertility. (C) 2000 Elsevier Science B.V. All rights reserved.