Authors:
BIEDERMANN G
PESCHKE W
WITTMANN W
BRANDT C
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Citation: G. Biedermann et G. Rupp, INFLUENCE OF THE METHOD OF MATING ON THE PERFORMANCE OF REPRODUCTION OF SOWS, Zuchtungskunde, 67(1), 1995, pp. 25-30
Citation: G. Biedermann et al., INVESTIGATIONS OF THE INFLUENCES ON THE C ONDITION OF THE PLUMAGE OF LAYERS IN DIFFERENT AGES, Archiv fur Geflugelkunde, 57(6), 1993, pp. 280-285