Zobrazeno 1 - 10
of 32
pro vyhledávání: '"Mojmír Vacek"'
Publikováno v:
Czech Journal of Animal Science, Vol 68, Iss 4, Pp 161-168 (2023)
The aim of this study was to evaluate the effect of rumination time, eating time and season on milk yield and on milk component content in the context of milk recording. The experiment was carried out with two breeds - Czech Fleckvieh cattle and Hols
Externí odkaz:
https://doaj.org/article/2c24a081bd4e4f248d0d9da103c56856
Autor:
Anna Poborská, Miroslav Šoch, Luboš Zábranský, Luboš Smutný, Iveta Novotná, Petr Smolík, Tomáš Frejlach, Zuzana Křížová, Anna Šimková, Kateřina Švejdová, Šárka Smutná, Mojmír Vacek
Publikováno v:
Scientific Papers Animal Science and Biotechnologies, Vol 49, Iss 2, Pp 249-249 (2023)
The most serious medical illness in breeding dairy cattle include diseases of the limbs, especially the hooves, which is a cause of premature decommissioning of the breeding. This is a crucial economic factor, because it can also significantly reduce
Externí odkaz:
https://doaj.org/article/0ed2109f1fb8472dbb33d242415f0a9e
Publikováno v:
Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis, Vol 69, Iss 5, Pp 555-561 (2021)
Monitoring the time of rumination and eating of dairy cows, by new technologies, is increasingly used in commercial herds. Evaluation of parameters obtained from Vitalimeter 5P, was performed in 656 dairy cows Czech Fleckvieh and Holstein cattle, inc
Externí odkaz:
https://doaj.org/article/d7bea07b3acc431392b866a97ff54d41
Publikováno v:
Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis, Vol 68, Iss 4, Pp 659-667 (2020)
Eating time, rumination and activity is affected by many factors. Evaluation of the parameters obtained from Vitalimeter 5P was performed on 719 dairy cows Czech fleckvieh cattle and Holstein cattle and their hybrids within one farm. Data collecting
Externí odkaz:
https://doaj.org/article/f95429f6c4ef4a0eb279104bad5638a9
Publikováno v:
Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis, Vol 66, Iss 3, Pp 707-715 (2018)
Suckler cow enterprises comprise an important segment of Czech agriculture, and the number of suckler cows has been steadily increasing in recent years. The objective of this study was to assess the profitability of suckler cow herds in the Czech Rep
Externí odkaz:
https://doaj.org/article/2f7f07c42b7f4be39622d1cb2ada9805
Publikováno v:
Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis, Vol 65, Iss 2, Pp 527-536 (2017)
Fattened bulls are the main source of beef in the Czech Republic (CR) and in most other EU countries. Profitability of fattening operations is a fundamental prerequisite for increasing domestic beef production. The objective of this study was to asse
Externí odkaz:
https://doaj.org/article/a170b0ee0df8410da22d273490f695ef
Autor:
Jaromír Ducháček, Luděk Stádník, Jan Beran, Monika Okrouhlá, Mojmír Vacek, Martina Doležalová
Publikováno v:
Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis, Vol 61, Iss 6, Pp 1621-1628 (2013)
The development of body condition score (BCS) and milk fatty acid composition and its mutual relationships were evaluated in the first 4 weeks of lactation of 50 Czech Fleckvieh cows. Average BCS values ranged from 4.14 at calving to 3.6 points in th
Externí odkaz:
https://doaj.org/article/6fb27a1f8819416eb9b41c1296df3d18
Autor:
Jaromír Ducháček, Mojmír Vacek, Luděk Stádník, Jan Beran, Zuzana Vodková, Veronika Rohlíková, Michaela Nejdlová
Publikováno v:
Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis, Vol 60, Iss 6, Pp 67-74 (2012)
The aim of this study was to confirm that a negative energy balance expressed by declining body condition score (BCS) can lead to the deterioration of fertility results of Czech Fleckvieh cows. The BCS of cows was evaluated before calving and during
Externí odkaz:
https://doaj.org/article/33db9fe92d8c408585a1ee8ce2646c3e
Publikováno v:
Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis, Vol 60, Iss 1, Pp 29-38 (2012)
The contents of protein (P), fat (F), a F:P ratio, and content of individual fatty acids (FA) and groups of FA, including ratio of SFA:UFA (saturated FA-to-unsaturated FA) and MUFA:PUFA (ratio monounsaturated FA-to-polyunsaturated FA) in milk during
Externí odkaz:
https://doaj.org/article/563d0456985047f4bcc3026e2c2a1c30
Publikováno v:
Journal of Central European Agriculture, Vol 9, Iss 2, Pp 377-384 (2008)
The objective of this study was to determine the relationship between calving year and season, parity, number of AI, day of lactation, milk production in the 1st 100 lactation days or diseases occurrence (retained placenta, endometritis or cysts), sp
Externí odkaz:
https://doaj.org/article/8f83d6b256a641b896b0bca0f2ade351