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Table 1 Vitamin A concentration in different samples from clinically affected calves compared to reference values

From: Hypovitaminosis A coupled to secondary bacterial infection in beef cattle

Samples

Concentrations

Normal value (16)

Feeda

1360 IU/kg

400000 IU/kg

Milkb

36.1 IU/L

698 IU/L

Serum Ac

1055 IU/L

43605 IU/L

Serum Bd

130 IU/L

43605 IU/L

  1. a Five feed samples were chose randomly and vitamin A concentration was shown in average (p < 0.01).
  2. b Three milk samples from the affected cows were chose randomly and vitamin A concentration was shown in average(p < 0.05).
  3. c Serum A was prepared from the affected calves at the early stage of disease.
  4. d Serum B was prepared from the affected calves at the late stage.
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BMC Veterinary Research

ISSN: 1746-6148

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