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Table 1.

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

Yolk
Embryo
Eggshell
Embryonic stageNDry mass (mg)Calcium mass (mg)Dry mass (mg)Calcium mass (mg)Dry mass (mg)Calcium mass (mg)
Oviductal 54.4±1.9a 0.17±0.01a   4.3±0.4a 0.19±0.08a 
Stage 31,32,33* 10 50.4±1.7a 0.17±0.01a 3.8±1.2a 0.02±0.02a 8.3±0.3b 1.21±0.06b 
Stage 36 45.7±2.7a 0.17±0.01a 5.9±2.4a,b 0.02±0.05a 8.7±0.6b 1.22±0.1b 
Stage 37 32.1±2.4b 0.10±0.01b 14.0±2.1b 0.14±0.04a 7.6±0.5b 1.10±0.09b 
Stage 40 18.8±1.9c 0.03±0.01c 29.3±1.7c 0.42±0.03b 8.4±0.3b 1.00±0.06b 
Hatchling 10 0.62±1.7d 0.004±0.01c 46.2±1.2d 0.89±0.02c 7.4±0.4b 0.72±0.06c 
Yolk
Embryo
Eggshell
Embryonic stageNDry mass (mg)Calcium mass (mg)Dry mass (mg)Calcium mass (mg)Dry mass (mg)Calcium mass (mg)
Oviductal 54.4±1.9a 0.17±0.01a   4.3±0.4a 0.19±0.08a 
Stage 31,32,33* 10 50.4±1.7a 0.17±0.01a 3.8±1.2a 0.02±0.02a 8.3±0.3b 1.21±0.06b 
Stage 36 45.7±2.7a 0.17±0.01a 5.9±2.4a,b 0.02±0.05a 8.7±0.6b 1.22±0.1b 
Stage 37 32.1±2.4b 0.10±0.01b 14.0±2.1b 0.14±0.04a 7.6±0.5b 1.10±0.09b 
Stage 40 18.8±1.9c 0.03±0.01c 29.3±1.7c 0.42±0.03b 8.4±0.3b 1.00±0.06b 
Hatchling 10 0.62±1.7d 0.004±0.01c 46.2±1.2d 0.89±0.02c 7.4±0.4b 0.72±0.06c 

Sample sizes are number of females (clutches)

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

*

Oviposited eggs

a–d

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

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