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Clever device of cattle delivery date calculates

来源: 作者:Stand originally 时间:2008-12-24 Tag: 点击:
Breed door how to calculate quickly cattle delivery date, the following method provides a help for you.
Horse " subtract on the month 1 " , finally subtract a month is delivery date 1 times on the month of hybridization date. For example: On March 25, 2006 hybridization, the left and right sides laborred on Feburary 25, 2007.
Ox " add on the month 9, add on day 9 " , finally add 1 times on hybridization date month 9, add on day 9 it is delivery date. For example: On April 20, 2006 hybridization, the left and right sides laborred on January 29, 2007.
Sheep " add on the month 5, decrease on day 3 " , finally add 1 times on hybridization date month 5, decrease on day 3 it is delivery date. For example: On October 6, 2006 hybridization, the left and right sides laborred on March 3, 2007.
Pig " 3, 3, 3 " , 1 times finally hybridization date increases 3 months, add 3 weeks, adding 3 days is delivery date. For example: On April 4, 2006 hybridization, the left and right sides laborred on July 28, 2006.

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