Zobrazeno 1 - 10
of 26
pro vyhledávání: '"Petr Homolka"'
Autor:
Mariana Vadroňová, Adam Šťovíček, Kateřina Jochová, Alena Výborná, Yvona Tyrolová, Denisa Tichá, Petr Homolka, Miroslav Joch
Publikováno v:
Scientific Reports, Vol 13, Iss 1, Pp 1-12 (2023)
Abstract This study investigated the combined effects of nitrate (NT) and medium-chain fatty acids (MCFA), including C8, C10, C12, and C14, on methane (CH4) production, rumen fermentation characteristics, and rumen bacteria using a 24 h batch incubat
Externí odkaz:
https://doaj.org/article/caf723f47809465caacf6d8bdd5b9be0
Autor:
Radko Loučka, Filip Jančík, Dana Kumprechtová, Veronika Koukolová, Petra Kubelková, Yvona Tyrolová, Alena Výborná, Miroslav Joch, Václav Jambor, Hana Synková, Soňa Malá, Jan Nedělník, Jaroslav Lang, Petr Homolka
Publikováno v:
Czech Journal of Animal Science, Vol 68, Iss 3, Pp 111-121 (2023)
The aim of this study was to validate selected precision livestock farming (PLF) methods of nutrition and feeding management of high-yielding Holstein dairy cows. In a feeding trial with 36 dairy cows, the effect of replacing 0.1 kg of sodium bicarbo
Externí odkaz:
https://doaj.org/article/81fc1d4bad3b45fda3321436febb718f
Autor:
Radko Loučka, Václav Jambor, Hana Synková, Petr Homolka, Dana Kumprechtová, Veronika Koukolová, Petra Kubelková, Alena Výborná, Yvona Tyrolová, Filip Jančík
Publikováno v:
Animals, Vol 14, Iss 6, p 897 (2024)
The aim of the study was to investigate the effect of calcareous marine algae (Lithotamium calcareum)-based rumen content buffer (CMA) included in concentrated feed within total mixed ration (TMR), fed to 34 peak lactation (87–144 days in milk) Hol
Externí odkaz:
https://doaj.org/article/c4f48cc241d04108bad4e61b57815887
Autor:
Radko Loučka, Václav Jambor, Jan Nedělník, Jaroslav Lang, Petr Homolka, Filip Jančík, Veronika Koukolová, Petra Kubelková, Yvona Tyrolová, Alena Výborná
Publikováno v:
Czech Journal of Animal Science, Vol 67, Iss 5, Pp 176-184 (2022)
The aim of this study is to compare the differences between four maize hybrids in terms of nutrient determination by portable near-infrared reflectance spectrometer (pNIRS) and chemical analysis; each of the hybrids was grown in the same locality fro
Externí odkaz:
https://doaj.org/article/5e6661edf8dc495a93e0a275145f2f34
Effect of ruminal mechanical stimulating brushes on the performance of lactating Holstein dairy cows
Autor:
Radko Loucka, Filip Jancik, Junichi Takahashi, Vaclav Jambor, Ludek Barton, Petr Homolka, Ivana Knizkova, Veronika Koukolova, Petra Kubelkova, Petr Kunc, Yvona Tyrolova, Alena Vyborna
Publikováno v:
Mljekarstvo, Vol 71, Iss 2, Pp 132-140 (2021)
The aim of this study was to confirm the hypothesis that artificial brushes administered to the rumen can partially replace the function of structural fibre, and increase milk production or quality. To mitigate the risks of feeding low levels of phys
Externí odkaz:
https://doaj.org/article/ea5ac819e5ad4af39994d8a4fd8ce2fe
Autor:
Klára Pavlů, Teowdroes Kassahun, Chukwudi Nwaogu, Lenka Pavlů, Jan Gaisler, Petr Homolka, Vilém Pavlů
Publikováno v:
Plant, Soil and Environment, Vol 65, Iss 7, Pp 343-348 (2019)
Dung deposited by grazing animals is a key driver affecting sward structure and nutrient cycling in pastures. We tested herbage and soil properties in three types of tall sward-height patches (> 10 cm): (i) patches with dung under intensive grazing;
Externí odkaz:
https://doaj.org/article/fe724e5d8b98488bbf18acc151820eb3
Publikováno v:
PLoS ONE, Vol 16, Iss 3, p e0248804 (2021)
Semi-natural grasslands occupy large parts of the European landscape but little information exists about seasonal variations in their nutritive value during the growing season. This paper presents results of novel data showing the effect of 13 years
Externí odkaz:
https://doaj.org/article/68b3c8e40386448ebba59021adbcdc1d
Autor:
Filip Jančík, Petra Kubelková, Radko Loučka, Václav Jambor, Dana Kumprechtová, Petr Homolka, Veronika Koukolová, Yvona Tyrolová, Alena Výborná
Publikováno v:
Agronomy, Vol 12, Iss 5, p 1164 (2022)
Maize silage is one of the most important feeds for ruminant nutrition and various production methods can have a significant impact on their quality, especially the utilization of nutrients. The objective of the study was to evaluate the effect of co
Externí odkaz:
https://doaj.org/article/f28f56defeeb4144bdd6347b1b1e8642
Autor:
Radko Loučka, Filip Jančík, Petr Homolka, Yvona Tyrolová, Petra Kubelková, Alena Výborná, Veronika Koukolová, Václav Jambor, Jan Nedělník, Jaroslav Lang, Marie Gaislerová
Publikováno v:
Agriculture, Vol 12, Iss 4, p 559 (2022)
Farmers need information on which maize hybrid is best and under what conditions. They demand that this information be clear, simple and easily understood. This study aims to estimate the potential for milk production (MPP) and the biochemical methan
Externí odkaz:
https://doaj.org/article/6cad8572e1234be1a0d9484de0c65fd7
Publikováno v:
Czech Journal of Animal Science, Vol 63, Iss 7, Pp 272-279 (2018)
The objectives of the experiment were to study nitrogen fractions of the Cornell Net Carbohydrate and Protein System (CNCPS) and digestibility of organic matter (OMD) and crude protein (CPD) along with the possibilities for predicting OMD and CPD bas
Externí odkaz:
https://doaj.org/article/4f725eee047142a6b7b3fe28a1999487