|
Breed |
Average
Gestation
Length in Days |
Variance* |
|
Holstein |
280 |
|
|
Ayrshire |
282 |
+2 |
|
Brown Swiss |
288 |
+8 |
|
Guernsey |
286 |
+6 |
|
Jersey |
279 |
-1 |
|
Milking Shorthorn |
283 |
+3 |
|
Angus |
283 |
+3 |
|
Hereford |
288 |
+8 |
|
Limousin |
289 |
+9 |
|
Brangus |
290 |
+10 |
|
Gelbvieh |
287 |
+7 |
|
Simmental |
287 |
+7 |
|
Charalais |
286 |
+6 |
|
*Add or subtract this number of days from "due
date" |
Please remember that all due dates are based on breed
averages.
Each animal's gestation length and heat cycle varies slightly.
Always watch for signs of heat a few days before and after the next expected
heat date.
|