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Abstract

The aim of current breeding plans in the German Democratic Republic is to attain by 1980 the artificial insemination of 70% (455, 000) of the sow population, with a N.R. rate of 80% and an av. litter size of 10.5. The use of A.I. in pig breeding will reduce the boar: sow ratio of 1: 5 for...

Author(s)
KÖNIG, I.; FREDERICH, W.; SCHAAF, A.
Citation
Archiv für Tierzucht, 1968, 11, pp 367-379