The quality of the water used in poultry produciton is important, not only for the metabolism and well-being of the birds but also when the water is used for vaccination.

In the table below some reference values are given for several parameters in drinking water. The table is based on publications by the Royal Animal Health Institute in Deventer, the Netherlands. www.gdanimalhealth.com

 

Parameter

Unit

Good

Poor

pH

 

5 to 8

< 4 or >9

Ammonium

mg/l

<1

>2

Nitrite

mg/l

<0,1

>1,0

Nitrate

mg/l

<100

>200

Chloride

mg/l

<200

>300

Sodium

mg/l

<100

>200 (young birds)

>400 (adult birds)

Iron

mg/l

<0,5

>2,5

Manganese

mg/l

<0,5

>1,0

Sulfate

mg/l

<100

>250

Hardness

oD

>4 and <15

>20

Yeasts and fungi

   

>10.000

E.coli

CFU/ml

<10

>100

Total colony count

CFU/ml

<10.000

>100.000