A 61 day "perpetual" calendar for non-leap years
Estimate the date of whelping 61 days after the first mating by reading the date in the row directly below the date of mating (conception).
Allowances for leap years are made by subtracting one day after the estimated date where applicable.
Add one or two days if you expect the whelping at 62 or 63 days respectively.
Estimate the date of whelping 61 days after the first mating by reading the date in the row directly below the date of mating (conception).
Allowances for leap years are made by subtracting one day after the estimated date where applicable.
Add one or two days if you expect the whelping at 62 or 63 days respectively.
The average gestation period for German Shepherds is 61 days,
not 63-65 days as is commonly stated in the literature!
Important Note:
Right-click and select
"Save target as .... "