Filters
CSI - total selection index for Czech spotted breed
Based on the analysis of data from 2469 Czech Spotted bulls, partial selection indexes for milk (IML) and meat (IMA) production were calculated and a total selection index (CSI) was developed. A high predictability...
GG - Chov hospodářských zvířat
- 2000 •
- D
Rok uplatnění
D - Stať ve sborníku
Ecological selective index for cattle with dual-purpose efficiency
The article solves usage of selective indexes on ecological farms of Czech Spotted cattle. It results from the index that was set together for German and Swiss breeders....
GI - Šlechtění a plemenářství hospodářských zvířat
- 2007 •
- Jx
Rok uplatnění
Jx - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)
Methodology of calculation of total selection index for Holstein's bulls
The objective of this methodology was created methodical procedure for calculation of total selection index for Holstein's bulls. Programme necessary forconstruction selection index. This programme also makes it po...
GI - Šlechtění a plemenářství hospodářských zvířat
- 2010 •
- NmetC
Rok uplatnění
NmetC - Metodiky certifikované oprávněným orgánem
Total selection index for Holstein's bulls
New variant of total selection index are proposed for bulls of Holstein cattle in the Czech Republic in the year 2008. Partial breeding values for milk performance, fertility and body conformation are combined in the index....
GI - Šlechtění a plemenářství hospodářských zvířat
- 2010 •
- Jx
Rok uplatnění
Jx - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)
Changes in the formula of selection indexes used in the U.S.A.
The article deals with changes of the formulas of selection and economic indexes for used the U.S. Holstein population. Changes of breeding values of sires are discussed as well....
GG - Chov hospodářských zvířat
- 2002 •
- Jx
Rok uplatnění
Jx - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)
Selection indexes in dairy cattle breeding in Czech Republic
Total selection indexes and sub-indexes for groups of production traits (milk production, beef productiion, reproduction, longevity, resistance and fittness) were constructed for bulls of Holstein cattle and Czech Fleckvieh...
GG - Chov hospodářských zvířat
- 2005 •
- D
Rok uplatnění
D - Stať ve sborníku
Selection indexes for beef cattle
Selection indexes (IM, IZ, IS) were constructed on the basis of routinely determined breeding values. The selection according to indexes leads nearly always) are of concern to breeding. The authors therefore recomm...
GG - Chov hospodářských zvířat
- 2005 •
- Jx
Rok uplatnění
Jx - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)
Selection index for bulls of Holstein cattle in the Czech Republic
Complex selection indexes are proposed for bulls of Holstein cattle in the Czech Republic. The index guarantees 69.30% reliability of breeding value estimate and the ratio of selection effects for milk, meat and se...
GI - Šlechtění a plemenářství hospodářských zvířat
- 2004 •
- Jx
Rok uplatnění
Jx - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)
Selection indexes in beef cattle breeding in the Czech republic
Three selection indexes were constructed for bulls of beef cattle: IM for terminal crossing (in dairy herds), IZ for the selection of foundation sires for beef herd and IS for the selection of bulls for beef herd. ...
GG - Chov hospodářských zvířat
- 2007 •
- D
Rok uplatnění
D - Stať ve sborníku
Ecological selective index for cattle with dual-purpose efficiency
The article solves usage of selective indexes on ecological farms of Czech Spotted cattle. It results from the index that was set together for German and Swiss breeders....
GI - Šlechtění a plemenářství hospodářských zvířat
- 2007 •
- O
Rok uplatnění
O - Ostatní výsledky
- 1 - 10 out of 119 090