Effect of litter frequency on overall lamb production in romney

MILERSKI, Michal, ČERNÁ, Michaela a SCHMIDOVÁ, Jitka., 2021 Effect of litter frequency on overall lamb production in romney. In Aktuální směry ve šlechtění hospodářských zvířat. Praha Uhříněves: Výzkumný ústav živočišné výroby, v. v. i. Oddělení genetiky a šlechtění hospodářských zvířat, s. 25-28. ISSN
Year2021
CathegoryOthers
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Abstract

This paper presents the analysis of 19394 reproduction records of 5856 Romney ewes from 11 flocks during the years 2010-2020. Efects of litter size on overall ewe production traits were analysed. Despite higher rate of lamb losses (LSMs: 21,84% for singletons; 26,16% for twins; 36,42% for triplets and 37,20% for quadruplets, resp.) multiple litters led to significantly (P