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The efficiency of embryotransfer in cattle in Poland has been described. The number of superovulated cows in the years 1997 and 1998 was 736 and 390 respectively. 15 to 35.9 percent of all flushed donor cows were meat breeds, especially Limousine, Chereford and Piemontese. The average number of total embryos and oocytes and/or transferable embryos in 1997 and 1998 was 5.95 and 6.79 and/or 3.37 and...
Micro-satellite, or simple tandem repeat (STR) sequences, are arrays of mono-, di-, tri-, or tetranucleotide motifs repeated in tandem and present in high numbers in vertebrate genomes. So far, more than a 1000 micro-satellites have been isolated and described in the bovine genome. STRs are highly polymorphic and this makes them useful as molecular markers for parentage control and accurate pedigree...
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