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51
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52
Weight and backfat thickness adjustment factors in growing pigs [microform]
Published 1977Visual Material -
53
The effect of high and low plane of nutrition on the reproductive performance of sows [microform]
Published 1977Visual Material -
54
Evaluation of response to selection of sow productivity and construction of a selection index [microform]
Published 1977Visual Material -
55
Estimates of genetic, environmental and phonotypic parameters of traits related to sow productivity [microform].
Published 1977Visual Material -
56
The performance of some improved strains of pigs and various purebreds in the Philippines [microform].
Published 1977Visual Material -
57
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58
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59
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60