"The litter and sheep genetic evaluation"@en . "Z \u00FAdaj\u016F o reproduk\u010Dn\u00ED u\u017Eitkovosti ovc\u00ED zji\u0161t\u011Bn\u00FDch p\u0159i kontrole u\u017Eitkovosti (KU) na Slovensku lze pro genetick\u00E9 hodnocen\u00ED vyu\u017E\u00EDt jen velikost vrhu. U velikosti vrhu byly zji\u0161\u0165ov\u00E1ny komponenty rozptylu, koeficienty d\u011Bdivosti, plemenn\u00E9 hodnoty a genetick\u00FD zisk byly odhadov\u00E1ny na podklad\u011B \u00FAdaj\u016F z KU t\u0159\u00ED nejpo\u010Detn\u011Bj\u0161\u00EDch plemen (zu\u0161lecht\u011Bn\u00E1 vala\u0161ka \u2013 ZV, cig\u00E1ja (C) a merino M) z\u00EDskan\u00FDch v letech 1993-2004 (2005). U v\u0161ech plemen byly koeficienty d\u011Bdivosti n\u00EDzk\u00E9 (v\u011Bt\u0161inou 0,03). Pod\u00EDl rezidu\u00E1ln\u00ED variance byl relativn\u011B vysok\u00FD, ale v posledn\u00EDch letech kles\u00E1. Pr\u016Fm\u011Brn\u00FD genetick\u00FD zisk byl u velikosti vrhu od roku 1991 \u2013 2005 zanedbateln\u00FD. V porovn\u00E1n\u00ED se star\u0161\u00EDmi berany a bahnicemi byly vy\u0161\u0161\u00ED pr\u016Fm\u011Brn\u00E9 plemenn\u00E9 hodnoty pro velikost vrhu zji\u0161t\u011Bny u auk\u010Dn\u00EDch beran\u016F a ro\u010Dek. N\u011Bkte\u0159\u00ED \u010Distokrevn\u00ED berani C a ZV s nejvy\u0161\u0161\u00ED plemennou hodnotou m\u011Bli des\u00EDtky dcer, u kter\u00FDch pr\u016Fm\u011Brn\u00E1 plodnost p\u0159ekro\u010Dila limit 150 resp. 160 %." . "Ve\u013Ekos\u0165 vrhu a genetick\u00E9 hodnotenie oviec" . . "Z(MZE0002701401)" . "80-7137-748-1" . "The litter and sheep genetic evaluation"@en . . "505900" . "Z \u00FAdaj\u016F o reproduk\u010Dn\u00ED u\u017Eitkovosti ovc\u00ED zji\u0161t\u011Bn\u00FDch p\u0159i kontrole u\u017Eitkovosti (KU) na Slovensku lze pro genetick\u00E9 hodnocen\u00ED vyu\u017E\u00EDt jen velikost vrhu. U velikosti vrhu byly zji\u0161\u0165ov\u00E1ny komponenty rozptylu, koeficienty d\u011Bdivosti, plemenn\u00E9 hodnoty a genetick\u00FD zisk byly odhadov\u00E1ny na podklad\u011B \u00FAdaj\u016F z KU t\u0159\u00ED nejpo\u010Detn\u011Bj\u0161\u00EDch plemen (zu\u0161lecht\u011Bn\u00E1 vala\u0161ka \u2013 ZV, cig\u00E1ja (C) a merino M) z\u00EDskan\u00FDch v letech 1993-2004 (2005). U v\u0161ech plemen byly koeficienty d\u011Bdivosti n\u00EDzk\u00E9 (v\u011Bt\u0161inou 0,03). Pod\u00EDl rezidu\u00E1ln\u00ED variance byl relativn\u011B vysok\u00FD, ale v posledn\u00EDch letech kles\u00E1. Pr\u016Fm\u011Brn\u00FD genetick\u00FD zisk byl u velikosti vrhu od roku 1991 \u2013 2005 zanedbateln\u00FD. V porovn\u00E1n\u00ED se star\u0161\u00EDmi berany a bahnicemi byly vy\u0161\u0161\u00ED pr\u016Fm\u011Brn\u00E9 plemenn\u00E9 hodnoty pro velikost vrhu zji\u0161t\u011Bny u auk\u010Dn\u00EDch beran\u016F a ro\u010Dek. N\u011Bkte\u0159\u00ED \u010Distokrevn\u00ED berani C a ZV s nejvy\u0161\u0161\u00ED plemennou hodnotou m\u011Bli des\u00EDtky dcer, u kter\u00FDch pr\u016Fm\u011Brn\u00E1 plodnost p\u0159ekro\u010Dila limit 150 resp. 160 %."@cs . . "[D70E1C2CD4B4]" . "Marget\u00EDn, M." . "Nitra" . . "XXII. Dni genetiky" . "Nitra" . "1"^^ . . . "2006-09-12+02:00"^^ . . . . "4"^^ . . "Milerski, Michal" . . "105-108" . "Velikost vrhu a genetick\u00E9 hodnocen\u00ED ovc\u00ED"@cs . "sheep; litter size; variance components; genetic evaluation"@en . "Ve\u013Ekos\u0165 vrhu a genetick\u00E9 hodnotenie oviec" . "RIV/00027014:_____/06:#0000746!RIV08-MZE-00027014" . . . . "Slovensk\u00E1 po\u013Enohospod\u00E1rska univerzita v Nitre" . "RIV/00027014:_____/06:#0000746" . "From the reproduction traits monitored within the frame of sheep performance control (PC) in Slovakia, only litter size can be used for genetic evaluation of sheep. The variance components, heritability coefficients, breeding values and genetic gain were estimated for litter size on the basis of PC data gained in the years 1993-2004 (2005) in the three most numerous breeds (Improved Valachian - IV, Tsigai \u2013 T and merinos \u2013 M). In all breeds heritability coefficients were low (mostly 0.03). The proportion of residual variance was relatively high, but in the last years decreases. The average genetic gain for litter size was negligible since 1991 to 2005. Higher mean breeding values for litter size were found out in auction rams and yearlings in comparison with the older rams and ewes. Some purebred T and IV pedigree rams with the highest breeding values had tens daughters, in which the average fecundity overcame the limit 150 and 160 % respectively."@en . . "4"^^ . "Velikost vrhu a genetick\u00E9 hodnocen\u00ED ovc\u00ED"@cs . . .