Zobrazeno 1 - 10
of 155
pro vyhledávání: '"J. Illek"'
Publikováno v:
Veterinární Medicína, Vol 69, Iss 9, Pp 314-320 (2024)
Cadmium is one of the most important environmental contaminants. Animals grazing on natural pastures are particularly exposed to cadmium. Sheep are mostly reared in extensive and grazing systems. Therefore, sheep may accumulate larger amounts of cadm
Externí odkaz:
https://doaj.org/article/08b3422dd47b4f5fbcf80aad49f86c82
Publikováno v:
Czech Journal of Animal Science, Vol 57, Iss 9, Pp 410-419 (2012)
The objective the present study was to determine the influence of a supplemental methionine analogue, the isopropyl ester of 2-hydroxy-4-(methylthio)-butanoic acid, commercially available as MetaSmartTM, on lactation performance, particularly milk pr
Externí odkaz:
https://doaj.org/article/5a7ecee149614d099b12578bc709ad4c
Publikováno v:
Czech Journal of Animal Science, Vol 54, Iss 9, Pp 395-402 (2009)
An experiment was conducted to evaluate the effect of ruminally protected methionine (Mepron®, Degussa AG, Germany) in dairy cows. Three weeks before calving 36 cows (Holstein and Czech Fleckvieh breeds) were assigned to one of the two dietary treat
Externí odkaz:
https://doaj.org/article/cacd578e5d394c49bc6f5d5aed7081eb
Publikováno v:
Czech Journal of Animal Science, Vol 53, Iss 7, Pp 292-298 (2008)
The effect of supplementation of selenium inorganic and organic forms on the activity of glutathione peroxidase (GSH-Px) was investigated for 7-8 months in three groups of ewes (by five animals each) and in born lambs. The basal feed ration contained
Externí odkaz:
https://doaj.org/article/d55a41bb180b4fd0a8c7b2521c8a3d4a
Publikováno v:
Veterinární Medicína, Vol 69, Iss 1, Pp 18-29 (2024)
Salinomycin, belonging to ionophore antibiotics, has been used as a feed additive for poultry for its coccidiostatic effect. Poisoning by ionophore antibiotics has been reported in cattle and other sensitive animals due to the replacement of medicate
Externí odkaz:
https://doaj.org/article/ad97a45939824eb9940069ea8e984afb
Publikováno v:
Polish journal of veterinary sciences. 25(1)
The aim of this study was to compare the effect of parenteral and oral supplementation of Selenium (Se) and vitamin E (VTE) on selected antioxidant parameters in blood and colostrum as well as their effect on the incidence of mastitis in dairy cows d
Autor:
K, Cebulska, P, Sobiech, D, Tobolski, D, Wysocka, P, Janiszewski, D, Zalewski, A, Gugołek, J, Illek
Publikováno v:
Polish journal of veterinary sciences. 24(3)
The study aimed to determine the content of selenium (Se), zinc (Zn), copper (Cu) and cadmium (Cd) in the liver of predominantly plant-eating omnivore wild boar (Sus scrofa), predominantly meat-eating omnivore red fox (Vulpes vulpes) and herbivore re
Publikováno v:
Ukrainian journal of veterinary sciences. 12
Publikováno v:
Ukrainian journal of veterinary sciences. 12
The aim of the study was to compare effects of two levels of selenium yeast (SY) and sodium selenite (SS) supplementation on blood, colostrum and milk Se levels, blood chemistry parameters in dairy cows under field conditions. The study included 36 H
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