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In a study with 12 calves on milk nutrition the course of methemoglobinemia as well as transrenal passage of nitrates and nitrites after a single per os administrations of 4 g NaNO₂ per animal and 30 g KNO₃ per animal in the form of water solutions has been observed. The response of the organism of calves to per os administered doses of sodium nitrite and potassium nitrate was observed by the determination...
Effect of both vitamin D₃ and cadmium (Cd) on chymotrypsin activity (ACHT) of laying hen has been studied. Ten month-old laying hens were fed a compound feed of HYD-10 ad libitum. The birds were divided into 8 groups (each group consisting of 6 birds) as follows: experimental groups G1, G3, and G5 were supplemented with Cd (0.3; 0.6; and 6.0 mg.kg⁻¹ CdCl₂, respectively) groups G2, G4, and G6 were...
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