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Table 2.

Ontogeny of dry mass (mg) and calcium mass (mg) in eggs of viviparous Lacerta (Zootoca) vivipara

Yolk
Embryo
Eggshell
Embryonic stageNDry mass (mg)Calcium mass (mg)NDry mass (mg)Calcium mass (mg)NDry mass (mg)Calcium mass (mg)
Oviductal 55.4±3.4*,a 0.17±0.01*,a       
Stage 30 57.6±3.7a 0.14±0.01a 1.5±2.4a 0.004±0.05a 0.8±0.2a 0.08±0.03a 
Stage 32 54.6±4.2a 0.16±0.02a 2.4±2.7a 0.006±0.05a 1.0±0.3a 0.08±0.04a 
Stage 34 63.1±4.1a 0.16±0.02a 3.7±2.7a 0.008±0.05a 0.8±0.3a 0.13±0.04a,b 
Stage 36 50.5±4.2a 0.12±0.02a 7.6±2.7a 0.03±0.05a 1.1±0.3a 0.24±0.04a,b 
Stage 40 18.0±3.4b 0.03±0.01b 32.4±1.8b 0.46±0.04b 1.6±0.2a 0.24±0.03b 
Hatchling    40.2±1.6c 0.65±0.03c    
Yolk
Embryo
Eggshell
Embryonic stageNDry mass (mg)Calcium mass (mg)NDry mass (mg)Calcium mass (mg)NDry mass (mg)Calcium mass (mg)
Oviductal 55.4±3.4*,a 0.17±0.01*,a       
Stage 30 57.6±3.7a 0.14±0.01a 1.5±2.4a 0.004±0.05a 0.8±0.2a 0.08±0.03a 
Stage 32 54.6±4.2a 0.16±0.02a 2.4±2.7a 0.006±0.05a 1.0±0.3a 0.08±0.04a 
Stage 34 63.1±4.1a 0.16±0.02a 3.7±2.7a 0.008±0.05a 0.8±0.3a 0.13±0.04a,b 
Stage 36 50.5±4.2a 0.12±0.02a 7.6±2.7a 0.03±0.05a 1.1±0.3a 0.24±0.04a,b 
Stage 40 18.0±3.4b 0.03±0.01b 32.4±1.8b 0.46±0.04b 1.6±0.2a 0.24±0.03b 
Hatchling    40.2±1.6c 0.65±0.03c    

Sample sizes are number of females (clutches)

Values reported as least squares means ± s.e.m.

*

Values include eggshell

a—d

Comparisons within columns, values with the same letter denotation do not differ significantly (P≤0.05)

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