Hatchability and early chick growth potential of broiler breeder eggs with hairline cracks

Journal of Applied Poultry Research

Volumn 13, Issue 1, 2004, Pages 65-70

  Barnett, D M ^a   Kumpula, B L ^a   Petryk, R L ^a   Robinson, N A ^a   Renema, R A ^a   Robinson, F E ^a  

^a UNIVERSITY OF ALBERTA   (Canada)

Author keywords

Chick weight; Embryo mortality; Fertility; Hatchability; Incubation egg weight loss; Shell quality

Indexed keywords

GALLUS GALLUS;

EID: 2042423134     PISSN: 10566171     EISSN: None     Source Type: Journal    
DOI: 10.1093/japr/13.1.65     Document Type: Article

References (18)

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13. Fertility, hatchability, and embryonic mortality data were analyzed by 2-way ANOVA using the general linear model procedure SAS software [12], with shell type and egg source being the main effects. The experimental unit was each replicate incubator-hatcher tray. Growth traits and mortality were analyzed as a 3-way ANOVA with shell type, egg source, and sex as the main effects. The replicate rearing cage used for each treatment combination was used as the experimental unit for these traits. If significant differences were indicated for main effects, comparison of means was performed using the least significant difference procedure. Significance was assessed at the P < 0.05 level.
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