Individual Subject Meta-Analysis of Parameters for Giardia duodenalis Shedding in Animal Experimental Models

Table 4

Criteria used to determine age categories for experimental species (alphabetical order).

Animal species	Criteria used
	Newborn	Weanling^1	Adult
Cattle	<21 weeks	21–64 weeks [50]	≥65 weeks [51]
Cats	<8 weeks	8–25 weeks [52]	≥26 weeks [51]
Dogs	<8 weeks	8–29 weeks [53]	≥30 weeks [51]
Gerbils	<4 weeks	4–7 weeks [54]	≥8 weeks [55, 56]
Hamsters	<3 weeks	3 weeks [57]	>3 weeks
Mice	<3 weeks	3 weeks [58]	>3 weeks [51]
Rabbits	<4 weeks	4 weeks–17 weeks [59, 60]	≥18 weeks [51]
Rat	3 weeks	3–7 weeks [61]	≥8 weeks[51]

1Weanling was merged with the newborn category to create the classification “Young” in the “Age” variable for the cyst shedding outcome.