Calculations

Question 1

Calculation in water (poultry)

Answer 1

• 1). Total no. kg to treat
• No. animals x average weight of animals (kg) = total kg
• 2). Total mg of drug required
• Total kg x drug dose (mg/kg) = total mg of drug required
• 3). Number of g or mL of product required
• Total mg / conc od product (mg/mL or mg/g) = total product required

Question 2

Solution concentrations, percentages

Answer 2

• % (compound containing product) x 10 = mg
• mg / 1000 -> g of product
• E.g. 100% = 1000 mg/g - would need to convert to g

Question 3

Calculation in feed

Answer 3

• 1). Total amount of feed consumed over course Tx
• No. animals x epected feed consumption per animal

Question 4

Pig consumption

Answer 4

• 4% of its BW per day