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. 2020 Jan 22;99(3):1444–1453. doi: 10.1016/j.psj.2019.10.064

Table 8.

Distribution of eggs laid according to Canadian egg size category.

Diet Egg size1 (% of total eggs laid)
Peewee Small Medium Large XL & jumbo
Phase 12
 CON 0.5 15.8 57.2 24.9a,b 1.6
 Ile70 0.5 17.5 58.6 20.7a,b 2.7
 Ile80 0.5 17.4 58.5 22.5a,b 1.1
 Ile90 1.0 13.8 51.2 30.2a 3.7
 Ile100 0.5 18.9 58.6 19.0b 3.0
 SEM 0.248 2.02 3.31 2.14 1.01
 P-value 0.431 0.471 0.462 0.013 0.396
Phase 22
 CON 0.0 0.3 29.1a,b 57.3a,b 13.3a
 Ile70 0.0 0.9 28.0b 57.8a,b 13.4a
 Ile80 0.0 1.4 27.3b 63.8a 7.5b
 Ile90 0.9 1.6 25.3b 63.0a 9.2a,b
 Ile100 0.0 3.4 35.2a 54.0b 7.4b
 SEM 0.41 0.86 1.75 2.24 1.39
 P-value 0.419 0.138 0.004 0.018 0.004

Abbreviation: CON, control.

a,bValues are statistically significant (P < 0.05).

1

Phase 1: 20 to 27 wk; phase 2: 28 to 46 wk of age.

2

According to Egg Farmers of Canada: peewee, <42 g; small, 42≤>49; medium, 49≤>56; large, 56≤>63; XL, 63≤>70; jumbo, 70≥.