Ljiljana B. Lazarević

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Beginning January 2014, Psychological Science gave authors the opportunity to signal open data and materials if they qualified for badges that accompanied published articles. Before badges, less than 3% of Psychological Science articles reported open data. After badges, 23% reported open data, with an accelerating trend; 39% reported open data in the first(More)
and NW within each parity are very high, from 0.7 to 1. Genetic correlations between data of consecutive parities seem to be high, excepting those including the first litter, which go from 0.7 with the second to 0 with the fourth (for NB and NA). So it appears that data of first parity are a poor enough information about the genetic value of sows ; on(More)
The culling process from one lactation to the next is described and quantified with a mathematical culling model proposed by R OBERTSON (1966). The conscious yield selection can be separated from involuntary natural wastage. The appropriate survival curves and parameters were calculated by a max. likelihood method described by F INNEY (1972). Selection for(More)
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