Zobrazeno 1 - 10
of 25
pro vyhledávání: '"Jan Frelich"'
Publikováno v:
Scientific Papers Animal Science and Biotechnologies, Vol 44, Iss 1, Pp 55-55 (2023)
The aim of this work was to assess the impact of the liquid Biopolym FZT on quality components in cow´s milk and daily milk yield. Biopolym was, calibrated by a milking robot, given to dairy cows in a selected breeding around České Budějovice for
Externí odkaz:
https://doaj.org/article/40ccff5e942545e9a44d64a585fa4f50
Publikováno v:
Scientific Papers Animal Science and Biotechnologies, Vol 44, Iss 1, Pp 80-80 (2023)
The cows with the canulla were divided into two groups - experimental and control. One cow was added to experimental product Biopolym FZT, second Biopolym granules. The samples of rumen fluid and feces were analyzed. The growth of microorganisms in t
Externí odkaz:
https://doaj.org/article/15a579ca1dc84835bedeb317e2ff3ac1
Autor:
Lenka Martínková, Bohuslav Čermák, Barbora Vondrášková, Miloslav Šoch, Luboš Zábranský, Jan Frelich, Miroslav Maršálek
Publikováno v:
Scientific Papers Animal Science and Biotechnologies, Vol 47, Iss 2, Pp 26-26 (2023)
Quality of meadow and grazing herbage was evaluated. Dry matter, crude protein, ash, fat and fibers were analyzed. Herbage sampling was realized on three pastures of cattle with higher altitudes. Grass and herbage are the most natural and optimal fee
Externí odkaz:
https://doaj.org/article/9cb2a01a9aaa47039045fb7e487ca80a
Autor:
Tomáš Frejlach, Miloslav Šoch, Jan Frelich, Luboš Zábranský, Anna Švarcová, Zuzana Křížová, Iveta Novotná, Kateřina Švejdová, Anna Šimková, Robert Kala
Publikováno v:
Scientific Papers Animal Science and Biotechnologies, Vol 48, Iss 1, Pp 272-272 (2023)
The breeding of dairy cattle, in terms of investment and operating costs, is the most demanding sector of livestock production. In terms of importance for agricultural enterprises and all of society, in most EU Member States and the Czech Republic it
Externí odkaz:
https://doaj.org/article/f2176c8793c24cbd86311a9ec998467c
Publikováno v:
Czech Journal of Animal Science, Vol 62, Iss 12, Pp 501-510 (2017)
Genetic relationship was analyzed between type traits and longevity measures in dual-purpose cattle. Data from 91 486 Czech Fleckvieh cows first calved between 2003 and 2009 were used. Longevity was defined as the actual number of lactations initiate
Externí odkaz:
https://doaj.org/article/55838c2bd9734dd9ab58b9f9f98fa0bd
Publikováno v:
Journal of Central European Agriculture, Vol 16, Iss 1, Pp 225-234 (2015)
One of the important goals of current research is to find a balance between the diversity of grass covers and their economically sustainable use for farming purposes. The aim of this study was to find relationships between the number of species (N),
Externí odkaz:
https://doaj.org/article/6972b64ba95644d899c20467a8caa902
Publikováno v:
Littera Scripta, Iss 1, Pp 23-29 (2011)
The effectiveness of the milk production was evaluated in fifty farms with seasonal pasture or indoor breeding on the basis of questionnaires data on structure and financial health. The pyramid analysis of relative changes in profit (loss) was used.
Externí odkaz:
https://doaj.org/article/7540672ac37149f7a66484c22affd712
Autor:
Jitka KUČEROVÁ, Eva NĚMCOVÁ, Miloslava ŠTÍPKOVÁ, Irena VRTKOVÁ, Josef DVOŘÁK, Jan FRELICH, Josef BOUŠKA, Miroslav MARŠÁLEK
Publikováno v:
Journal of Central European Agriculture, Vol 5, Iss 4, Pp 303-308 (2005)
There were observed milk production parameters in 5506 daughters of 37 Czech Pied cattle sires in our study. Sires were genotyped for markers CSN3 and ETH10. The aim was to fi nd relation between genetic markers CSN3, ETH10 and observed milk performa
Externí odkaz:
https://doaj.org/article/1de8bb63c94740b3aaa9b5b8f5a44008
Autor:
Oto Hanuš, Vladimír Černý, Jan Frelich, Marek Bjelka, Jan Pozdíšek, Jan Nedělník, Marcela Vyletělová
Publikováno v:
Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis, Vol 53, Iss 2, Pp 19-32 (2005)
In general, the over sea height is cumulative factor, which can influence significantly the farm conditions. This effect consists of temperature (mean year temperature), rain (sum of rainfulls), sunshine (total period of sunshine) and so on, in terms
Externí odkaz:
https://doaj.org/article/20cb7709b16d473e951504e0837f5ef4
Autor:
Tomáš FREJLACH, Miloslav Šoch, Jan FRELICH, Luboš ZÁBRANSKÝ, Anna ŠVARCOVÁ, Zuzana KŘÍŽOVÁ, Iveta NOVOTNÁ, Kateřina ŠVEJDOVÁ, Anna ŠIMKOVÁ, Robert KALA
Publikováno v:
Scientific Papers Animal Science and Biotechnologies, Vol 48, Iss 1, Pp 272-275 (2015)
The breeding of dairy cattle, in terms of investment and operating costs, is the most demanding sector of livestock production. In terms of importance for agricultural enterprises and all of society, in most EU Member States and the Czech Republic it