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- #101
overall for chickens the total lost would be 13% through the incubation... (some places say 12%) 13% over 21 days would be 0.62% per day .. by day 18 it would be 0.62 X 18 = 11.16%
so when you collect the eggs you would weigh them.. then make a note of the weight before you put them into the bator.. you can average the weights or weigh each egg and do the math for individual eggs...every time you go to monitor them.. that part is up to you
so as an example lets say you have 5 eggs..
egg 1 weighs 63 grams
egg 2 weighs 61 grams
egg 3 weighs 64 grams
egg 4 weighs 62 grams
egg 5 weighs 65 grams
if you weigh each egg once a week (on the same day of the week and roughly the same time of day)
egg 1 weighs 63 grams and needs to lose a total of 8.19 grams throughout the entire incubation.. or (8.19 / 21 days = 0.39 grams per day X 7 days = 2.73 grams per week
egg 2 weighs 61 grams and needs to lose a total of 7.93 grams throughout the entire incubation.. or (7.93 / 21 days = 0.38 grams per day X 7 days = 2.66 grams per week
egg 3 weighs 64 grams and needs to lose a total of 8.32 grams throughout the entire incubation.. or (8.32 / 21 days = 0.40 grams per day X 7 days = 2.80 grams per week
egg 4 weighs 62 grams and needs to lose a total of 8.06 grams throughout the entire incubation.. or (8.06 / 21 days = 0.38 grams per day X 7 days = 2.66 grams per week
egg 5 weighs 65 grams and needs to lose a total of 8.45 grams throughout the entire incubation.. or (8.45 / 21 days = 0.40 grams per day X 7 days = 2.80 grams per week
if you are averaging all the weights together it would look like
63 +61+ 64 + 62 + 65 = 315 grams total weight of all eggs.. divided by the number of eggs to get the average ( /5 = 63 grams average weight) after a week weigh the eggs again and average out the new weights.. for these eggs the expected average weight loss per week would be 2.73 grams
so looking at just egg 1:
day 0 (initial weight) 63 grams
day 7 weight: 60.27 grams
day 14 weight: 57.54 grams
day 21 weight: 54.81 grams
you can weigh eggs more often just do the math for however many days it will be
Thanks for that very detailed chart. I just noticed today that a few of my chicks I have hatched over the last three months have bent or curved toes, I guess you can say deformed. What do you think caused this?