7. GENERAL CHANGES IN THE SEASONAL DISTRIBUTION OF EGG PRODUCTION 8. CONCLUSIONS 131 133 LIST OF FIGURES Fig. 1. Variation in annual egg production; nine years' records. Fig. 2. Changes in mean annual egg production from 1911 to 1919. Fig. 3. Annual changes in the percentage of pullets laying 210 eggs per year and more. Fig. 4. Annual changes in the percentage of pullets laying 104 eggs per year and less. Fig. 5. Monthly variation in mean egg production, nine years' records. Fig. 6. Comparison of low and high producing pullets on the basis of monthly distribution of egg production. |