Zobrazeno 1 - 10
of 58
pro vyhledávání: '"J. Trinacty"'
Publikováno v:
Czech Journal of Animal Science, Vol 61, Iss 8, Pp 351-359 (2016)
The objective of this study was to evaluate the interaction effect of maize grain texture (dent vs semi-flint) and two different stages of maturity (1/2 vs 3/4 milk line) on ruminal starch degradability and total tract digestibility using in situ and
Externí odkaz:
https://doaj.org/article/9956f5c5562a47f1a355f6cfc1db3650
Publikováno v:
Plant, Soil and Environment, Vol 61, Iss 12, Pp 560-565 (2015)
The objective of the experiments was to compare types of maize hybrids harvested at the similar stage of maturity, between one and two thirds of the milk line stage of grain. The study involved 9 hybrids with different parameters that were grown duri
Externí odkaz:
https://doaj.org/article/e1f59c9fd9294cf084f06337fae67504
Publikováno v:
Czech Journal of Animal Science, Vol 56, Iss 6, Pp 269-278 (2011)
The objective of this study was to determine rumen degradability and total digestibility of flavonolignans from a milk thistle fruit expeller in dairy cows considering milk production and changes in plasma flavonolignans. The experiment was carried o
Externí odkaz:
https://doaj.org/article/238cb57adfe1420a9671ecaecc53f041
Publikováno v:
Czech Journal of Animal Science, Vol 56, Iss 1, Pp 37-45 (2011)
An experiment was carried out on four dry Holstein cows fitted with rumen cannulas that were divided into two groups. The crossover design experiment was divided into 4 periods of 3 weeks. Each period consisted of a 17-day preliminary period followed
Externí odkaz:
https://doaj.org/article/7f2d9140203b4dc784bbd0532f8c3568
Publikováno v:
Czech Journal of Animal Science, Vol 55, Iss 10, Pp 401-407 (2010)
The aim of this study was to continuously monitor ruminal pH and redox potential of individual dry cows using a newly developed wireless device. Three dry Holstein cows fitted with rumen cannulas were used for the individual measurement of ruminal pH
Externí odkaz:
https://doaj.org/article/88ffc7ca94784ccabb0da834845dfeba
Publikováno v:
Czech Journal of Animal Science, Vol 55, Iss 9, Pp 351-358 (2010)
Four high-yielding lactating Holstein cows fitted with duodenal cannulas were used in the experiment. Cows were divided into 2 groups - control (Control) with leucine deficiency and experimental (Leucine) with a leucine supplement. The experiment was
Externí odkaz:
https://doaj.org/article/bc819b0b51bb4667a9079e94554afa99
Publikováno v:
Czech Journal of Animal Science, Vol 55, Iss 1, Pp 11-29 (2010)
The milk freezing point (MFP) is used for the control of milk food chain quality especially for possible adulteration with water. A crucial issue is the acceptance of the legislative discrimination limit (RLDL) of MFP for standard quality. The aim wa
Externí odkaz:
https://doaj.org/article/7f0da7110a5c4004a4ccbb9cc2dd3aaa
Publikováno v:
Czech Journal of Animal Science, Vol 54, Iss 6, Pp 239-248 (2009)
The objective of this study was to determine the effect of supplemental lysine (Lys), methionine (Met) or both amino acids added in the form of rumen-protected (RP) tablets with copolymer coating to a diet of dairy cows on yield and composition of mi
Externí odkaz:
https://doaj.org/article/efd0cea4721640e386c14eb0c6af1c56
Publikováno v:
Czech Journal of Animal Science, Vol 54, Iss 5, Pp 201-209 (2009)
The aim of the study was to evaluate the effect of extruded rapeseed cake in diets of dairy cows on changes in milk fatty acid profile and iodine content in milk and on the thyroid gland status. An experiment was carried out on four lactating Holstei
Externí odkaz:
https://doaj.org/article/b6f5ea9ab8cd47c0ab53600837cc8453
Publikováno v:
Czech Journal of Animal Science, Vol 52, Iss 11, Pp 378-386 (2007)
In this study, nutritive values of rapeseed (R), rapeseed meal-expeller A (RM-A), rapeseed meal-expeller B (RM-B) and extracted rapeseed meal (ERM) were compared. The trials were performed using the in sacco method with three steers of the Czech Flec
Externí odkaz:
https://doaj.org/article/ab48cc397f92427fa348fdd5afd8cf08