Breeding programmes for the nineties
Smith, P.R.
Queensland Agricultural Journal 115(3): 131-133
1989
Document Number: 309310
Different breeding options available to pig producers are discussed. The options are (1) buying all breeding stock from outside, (2) a rotational crossbreeding system, in which only malemale are introduced, and (3) a synthetic system, in which all replacements are selected from within a crossbred herd.
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