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Table 4 Mean antimicrobial protein concentrations and albumen pH for the eggs of nine lark species

From: Are antimicrobial defences in bird eggs related to climatic conditions associated with risk of trans-shell microbial infection?

Species Lysozyme (mg ml-1) Ovotransferrin (mg ml-1) Albumen pH
Hoopoe lark Alaemon alaudipes 3.03 (0.85) 14.67 (3.55) 7.6 (0.3)
Black-crowned finchlark Eremopterix nigriceps 2.72 (1.47) 20.38 (6.21) 7.8 (0.5)
Crested lark Galerida cristata 3.66 5.46 8.5
Red-capped lark Calandrella cinerea 3.39 (0.60) 12.57 (2.26) 8.2 (0.3)
  1.73 10.27 6.7
Horned lark Eremophila alpestris 1.18 (0.26) 17.30 (2.98) 6.8 (0.1)
  1.08 (0.39) 21.32 (5.60) 7.0 (0.3)
  0.98 12.02 7.9
Hume’s short-toed lark Calandrella acutirostris 1.24 (0.39) 15.69 (0.97) 6.8 (0.2)
  0.88 (0.32) 25.45 (3.09) 6.9 (0.1)
  1.43 15.80 7.9
Oriental skylark Alauda gulgula 2.09 8.34 9.4
Skylark Alauda arvensis 1.22 (0.35) 14.61 (1.76) 7.8 (0.1)
Woodlark Lullula arborea 1.63 (0.28) 15.83 (2.04) 7.9 (0.2)
  1. The values are calculated from mean values per nest for each population, with standard errors (where appropriate) shown in brackets.