Date chart to determine at a glance birthing date
We got tired of counting days off on the calendar so we came up with a new "date chart" that makes it easy to determine at a glance birthing dates for bred livestock. The 10-in. dia. rotary chart is based on old-style aircraft navigational charts. One wheel turns inside the other to give the birthing date for any animal once you know the breeding date. Designed for cattle, horses, hogs, sheep, and goats, the chart also gives length of heat cycles, duration of heat periods, and when to expect the first heat after birth. Gestation periods for other animals can also be marked on the chart. I've had the original chart for over 10 years and relied on it constantly. It's worked so well we've started selling them for $5.00 apiece. (Jim Carmickle, Gestation Charts, P.O. Box 1272. Red Bluff. Calif. 96080)
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