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- [7] Production traits in F1 and F2 crosses with naturalized hair breed Santa Ines ewes SPRINGERPLUS, 2014, 3 : 1 - 6
- [8] The morphology of the udder and mirk quantity and quality in the milking hybrid ewes F1 East Friesian x Polish Merino MILKING AND MILK PRODUCTION OF DAIRY SHEEP AND GOATS, 1999, (95): : 453 - 455
- [9] MILK EFFICIENCY OF THE F1 GENERATION OF THE SLOVAK SPOTTED BREED CROSSED WITH THE HOLSTEIN-FRIESIAN RED AND WHITE BULLS ZIVOCISNA VYROBA, 1979, 24 (07): : 513 - 523