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Table 3 Mean ± SD of zinc, copper, iron, calcium and phosphorus concentrations in dairy cows during winter/heat stress with and without retained fetal membranes

From: The effect of Seasonal heat stress on oxidants–antioxidants biomarkers, trace minerals and acute-phase response of peri-parturient Holstein Friesian cows supplemented with adequate minerals and vitamins with and without retained fetal membranes

Months Cold Hot P value
Parameters Normal Retained Normal Retained
Zinc /ug/dl 222 ± 2.92b 218 ± 2.42ab 214 ± 2.18ab 213 ± 2.20a 0.001
Copper /ugdl 210 ± 5.75 223 ± 8.56 227 ± 6.76 229 ± 4.72 0.08
Iron /ugdl 209 ± 10.12a 201 ± 16.79a 246 ± 13.29b 249 ± 13.29b 0.007
Phosphorus 4.24 ± .02bc 4.29 ± .07b 4.15 ± .02a 4.22 ± .04ab 0.003
calcium 10.26 ± .08ab 10.27 ± .24ab 10.33 ± .08b 10.02 ± .17a 0.015
Corrected calcium 9.07 ± 0.79b 9.09 ± 0.82b 9.47 ± 1.07c 8.73 ± 1.09a 0.0001
Calcium/Phosphorus 2.57 ± .02ab 2.54 ± .07a 2.64 ± .02b 2.51 ± .04a 0.008
  1. Means with different superscripts (a, b, c,) are significant at P < 0.05