Page 30 - MWC 03-11-2021

EVALUATE YOUR The Midwest Cattleman · March 11, 2021 · P30
continued from page 23
period when the
2020 show that steer calves born third calf is born.
in the first 21 days of the calving Both methods
season averaged 47 pounds (lb.) work, says Payne,
heavier at weaning than calves but use the same
born during days 22-42 (537 lb. method to be con-
vs. 490 lb.). sistent.
While the number of calves in Once you have
this group is relatively small (47 the start date,
steers born in the first 21 days count the number
and 12 born during days 22-42), of calves born in
Payne says other studies report the first 21 days
similar weight differences. of the calving
Begin tracking calving distri- season and divide of the first 21-day period. days 22-42, 28%; days 43-63, 6%;
bution by establishing the date that number by the total num- Finally, evaluate the calving >63, none. Based on the calv-
of the initial counting period. ber of calves born, says Payne. distribution of first-calf heif- ing distribution, this herd per-
One option is to start the first Repeat the process for days ers (2-year-old cows) separate- formed better than the industry
period 283 days from bull turn- 22-42, days 43-63 and after day ly from the mature herd. Their standard.
in or artificial insemination 63. Count all full-term calves breeding season is often earlier To achieve the targets, all
(AI). If this information is not born, dead or alive. Also include or managed differently. cows must cycle at the begin-
available, begin the first 21-day calves born before the beginning Once you know your herd’s ning of the breeding season, and
distribution, compare it to the bulls must be fertile.
industry standard. Benchmarks “If your distribution is unfa-
for the first, second and third 21- vorable, meaning a higher per-
• Featuring ‘ Program’ day periods are 65%, 23% and centage of calves are born later
Cattle Weekly 7%, respectively. The remaining in the calving season, it could in-
5% of calves are born later than dicate one or more problems and
• DVAuction Service for convenient 63 days. will require more investigation,”
online viewing & bidding The following is the calving says Payne.
distribution of 142 calves from Factors to consider are nu-
Vienna, Mo 65582 Selling All Classes of Cattle Wednesday @ 10:00 a.m. a 2020 spring-calving herd in trition, bull power or fertility,
For more information: Ross Patton 573-308-6657 • Bill Patton 573-308-6658 northwestern Missouri (see disease or conditions that cause
• David Patton – 573-308-6655 • Table 1): Day of calving season early embryonic loss or infer-
Visit our website at www.scrsvienna.com • or E-mail us at: SCRSVienna@gmail.com and percentage: days 1-21, 66%; tility, or a mismatch between
herd genetics and environment.

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