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Comparison of selection indexes for Holstein bulls
Production indexes for Holstein cattle were compared. In this article was made -top ten- for Holstein bulls. Production indexes for Holstein cattle were compared. In this article was made -top ten- for Holstein...
GI - Šlechtění a plemenářství hospodářských zvířat
- 2003 •
- Jx
Rok uplatnění
Jx - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)
Comparison of selection indeces for Holstein bulls
Work is about comparison of foreign selection indeces with Czech selection index for Holstein bulls. Charts of bulls are made by different indeces and traits. Work is about comparison of foreign selection indeces with Czech...
GG - Chov hospodářských zvířat
- 2003 •
- Jx
Rok uplatnění
Jx - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)
Comparison between breeding values for milk production and reproduction of bulls of Holstein breed in artficial insemination and bulls in natural service
Breeding values of bulls in artificial insemination (AI) and bulls in natural service (NS) in the Czech Republic were evaluated. Examined bulls were of Holstein breed, born between the years 1996 and 2001. NS b...
GI - Šlechtění a plemenářství hospodářských zvířat
- 2008 •
- Jx
Rok uplatnění
Jx - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)
The effect of the imported genetics on the Holstein population
The present Holstein population in CR was developed on the base of absoptive crossing with BW bulls from Europe and America. Only a small number of female has been imported. Only 15 % of bulls originated from the national b...
GG - Chov hospodářských zvířat
- 2001 •
- D
Rok uplatnění
D - Stať ve sborníku
Feed efficiency, growth intensity and carcass characteristics of bulls various breed
intensity and carcass characteristics of Aberdeen Angus, Gascon, Holstein and Czech Fleckvieh bulls. The highest feed intake was observed in Holstein bulls, while the lowest feed conversion ratio was found in Czec...
GG - Chov hospodářských zvířat
- 2012 •
- Jx •
- Link
Rok uplatnění
Jx - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)
Výsledek na webu
Meat quality and beef production parameters in Holstein bulls fattened to 305-400 kgof live weight.
The experimental group consisted of 51 young Holstein bulls kept in Czech Republic. The aim of the study was to evaluate beef production parameters and meat quality and their mutual relationship....
GG - Chov hospodářských zvířat
- 2001 •
- Jx
Rok uplatnění
Jx - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)
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. The rati...
GI - Šlechtění a plemenářství hospodářských zvířat
- 2010 •
- Jx
Rok uplatnění
Jx - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)
Selection indices in Holstein cattle breeding
Total selection index (SIH) was proposed for bulls of Holstein cattle in the Czech Republic. Sub-indexes were constructed for bulls of Holstein breed according to the groups of production traits - production index ...
GI - Šlechtění a plemenářství hospodářských zvířat
- 2004 •
- Jx
Rok uplatnění
Jx - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)
Allele and Genotype Frequencies of Milkprotein Kappa-Casein (CSN3) in Artificial Insemination Bulls of Czech Fleckvieh and Holstein Breed
-casein (CSN3) in artificial insemination bulls in the Czech Republic of Czech Fleckvieh breed (n =133) and Holstein breed (n =58). Studied bulls were born between A = 0.6391 B = 0.3459 E = 0.015.Genotype frequencies establ...
GI - Šlechtění a plemenářství hospodářských zvířat
- 2007 •
- Jx
Rok uplatnění
Jx - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)
Beef production from bulls of different genotypes
Czech Pied, Holstein and crossbred Gascon x Holstein bulls were used in the expriment. Upon reaching the average target slaughter weight of 550 kg, the animals were slaughtered and hot carcass and internal fat weights were ...
GG - Chov hospodářských zvířat
- 2004 •
- D
Rok uplatnění
D - Stať ve sborníku
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