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Egg-Hatcher, or Eccalobeon. Fig. 43 represents an egg-hatcher or Eccalobeon, made of different sizes, with shelves so arranged as to hold from 200 to 800 eggs without touching each other. The
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The global distribution of avian eggshell colours suggest a thermoregulatory benefit of darker pigmentation | Nature Ecology & Evolution
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The complete poultry book. Poultry. 4U THE C031PLETE POULTRY BOOK. the lamp-closet must have four holes for ventilation, otherwise the lamp will not burn. Jhe lamp-closet is the si)ace within the
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