Table 8. European Food Safety Authority (EFSA)’s durations of the tolerance study¹⁾

Animal	Approximate study period			Study duration
	Start	Age	BW	Efficacy	Tolerance
Pigs
Piglets (suckling)	Birth	21–42 days	6–11 kg	14 days	14 days
Piglets (weaned)	21–42 days	120 days	35 kg	42 days	42 days
Piglets (both)	Birth	120 days	35 kg	42 days	42 days
Pigs for fattening	≤ 35 kg	120–250 days	80–150 kg	> 70 days1)	42 days
Sows for reproduction	First2)	-	-	2 cycles	1 cycle
Poultry
Chickens for fattening	Hatch	35 days	1.6–2.4 kg	35 days	35 days
Chickens reared for laying	Hatch	~ 16 weeks	-	112 days	35 days
Laying hens	16–21 weeks	~ 13 months	-	168 days	56 days
Turkeys for fattening	Hatch	~ 14 weeks	~ 7–10 kg	84 days	42 days
Turkeys for breeding	30 weeks	~ 60 weeks	-	6 months	56 days
Turkey reared for breeding	Hatch	30 weeks	~ 15 kg	Entire	42 days
Bovines
Calves for rearing	Birth	4 months	145 kg	56 days	42 days
Calves for fattening	Birth	6 months	180 kg	> 84 days	28 days
Cattle for fattening	Full3)	10–36 months	350–700 kg	168 days	42 days
Dairy cows	-	-	-	84 days	56 days
Cows for reproduction	First2)	-	-	2 cycles	1 cycle

Until slaughter weight (Data from FEEDAP [87]).
First insemination.
Full development.