GESTATION PERIOD FOR CATTLE
| The Probable Date of Birth Listed Below May Vary a Few Days |
| Date of Service | Date of Birth | Date of Service | Date of Birth | Date of Service | Date of Birth | ||
| January 1 | October 12 | February 26 | December 7 | April 23 | February 1 | ||
| January 8 | October 19 | March 5 | December 14 | April 30 | February 8 | ||
| January 15 | October 26 | March 12 | December 21 | May 7 | February 15 | ||
| January 22 | November 2 | March 19 | December 28 | May 14 | February 22 | ||
| January 29 | November 9 | March 26 | January 4 | May 21 | March 1 | ||
| February 5 | November 16 | April 2 | January 11 | May 28 | March 8 | ||
| February 12 | November 23 | April 9 | January 18 | June 4 | March 15 | ||
| February 19 | November 30 | April 16 | January 25 | June 11 | March 22 | ||
| Date of Service | Date of Birth | Date of Service | Date of Birth | Date of Service | Date of Birth | ||
| June 18 | March 29 | August 27 | June 7 | November 5 | August 16 | ||
| June 25 | April 5 | September 3 | June 14 | November 12 | August 23 | ||
| July 2 | April 12 | September 10 | June 21 | November 19 | August 30 | ||
| July 9 | April 19 | September 17 | June 28 | November 26 | September 6 | ||
| July 16 | April 26 | September 24 | July 5 | December 3 | September 13 | ||
| July 23 | May 3 | October 1 | July 12 | December 10 | September 20 | ||
| July 30 | May 10 | October 8 | July 19 | December 17 | September 27 | ||
| August 6 | May 17 | October 15 | July 26 | December 24 | October 4 | ||
| August 13 | May 24 | October 22 | August 2 | ||||
| August 20 | May 31 | October 29 | August 9 | ||||
| Date of Service | Date of Birth | Date of Service | Date of Birth | Date of Service | Date of Birth |