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Table 8 Results of bacteriological, biochemical and macroscopic analysis of the drinking water used in both stables

From: Porcine ear necrosis in weaned piglets: prevalence and impact on daily weight gain

Parameter

Result

Laboratory reference values

Macroscopic evaluation

Physical appearance

Orange sediment

Bright

Smell

No

No

Color

Yellowish

Colorless

Bacteriological analysis

Number of coliforms (cfu/ml)

0

< 100

Intestinal enterococci (cfu/100 ml)

2

< 1

Sulfite-reducing clostridia (cfu/ 20 ml)

1

< 1

Aerobic bacteria (22 °C) in total (cfu/ml)

2400

< 100,000

Aerobic bacteria (37 °C) in total (cfu/ml)

530

< 100,000

Chemical analysis

pH

7.70

4–9

Ammonium (mg/l)

0.78

≤ 2

Nitrates (mg/l)

< 10

≤ 200

Nitrites (mg/l)

< 0.10

≤ 0.5

Sulfates (mg/l)

< 5.0

≤ 250

Total hardness (°D)

13.0

≤ 20

NaCl (mg/l)

26.0

≤ 3000