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. 2019 Dec 17;98(12):7050–7062. doi: 10.3382/ps/pez441

Table 1.

Effect of in ovo injected L. animalis, E. faecium, or their combination on hatch parameters.

Treatments HVT Control L. animalis E. faecium Combination SEM P value
% hatch of transfer 93.37 94.62 93.24 93.52 1.09 0.6498
% late dead eggs 4.43 4.93 4.05 3.10 1.34 0.2309
% pipped eggs 1.98a 0b 1.58a 1.47a 1.50 0.0389
% cracked eggs 0.22 0 0.45 0 0.37 0.2175
% contaminated eggs 0 0 0.45 0.58 0.52 0.4635
% cull eggs 0 0 0 0 . .
Avg Chick Weight (g) 46.2 45.9 46.2 45.4 3.60 0.3900

Different superscripts (a — b) indicate significant differences in the means of treatments, where differences are considered significant at P ≤ 0.05. N = 3, where each replicate in the treatment was a GQF hatcher unit (∼170 eggs/GQF; 520 total eggs/treatment).