Table 2.
Numbers of surveys requested and number of surveys received for each of the six different housing systems
| Conventional cages | Enriched cages | Elevated pens | Floor pens | Outdoor/partially indoor | Organic systems | Total | |
|---|---|---|---|---|---|---|---|
| Number of surveys requested for this systemb | 37 | 31 | 34 | 22 | 30 | 26 | 180 |
| Number of responses received | 38a | 20 | 28 | 13 | 15 | 11 | 125 |
a
One expert who had initially been allocated to another system also provided information for this housing system.
b
Since the experts were expected to respond to two surveys, the total number of surveys does not equal the total number of experts (total number of experts = 122).