Page 21 - MWC 09-9-2021s

The Midwest Cattleman · September 9, 2021 · P21
Targeting Selection to Meet Consumer Demands

The gap between consum- size. In the second tier are
ers and cow-calf producers retailers, wholesalers, and
is wider than the miscon- packers, whose focus is on
ceptions about how beef gets quality grade, yield grade,
from ranch to table. This gap and weight as proxies for ten-
also exists in desired traits be- derness, juiciness, flavor and
tween cattle on the ranch and portion size. In the third tier
beef in the grocery store. As are feedlots, with interests
a cow-calf producer, it can be in quality grade, yield grade,
difficult to select for the traits weight, average daily gain,
the end user prefers. During feed efficiency, health and
the 2021 Beef Improvement disposition. Finally, in the
Federation (BIF) Symposium bottom tier are commercial
June 23 in Des Moines, Iowa, cow-calf and seedstock pro-
Dr. Jennifer Bormann, Kan- ducers. This tier encompass-
sas State University beef cat- es all the aforementioned
tle geneticist, explained the traits, plus fertility, efficiency
focus of all cattle producers on grass, preweaning average
should be on the end product daily gain, calving ease, lon- males are specifically bred enough offering of bred F1
–– beef. gevity and more. from maternal lines, and are heifers to go back into herds
“How do we select for and There are no bulls who can mated to a terminal sire, with as replacements to make the
make progress in carcass “do it all” and be average or all offspring being sold. These static terminal system work
traits at the seedstock and greater across the board in terminal sires are selected for on a large scale.
commercial level when most both maternal and terminal maximum growth, efficiency Second to the static termi-
of the profitability of those indices, Bormann says. Where and carcass merit without nal breeding, Bormann sug-
sectors is tied to other traits?” does this leave the producer? sacrificing too much calving gests modifying a roto-ter-
Bormann questions. Bormann proposes a stat- ease to produce ideal feeder minal system to achieve end
Imagine a four-tiered tri- ic terminal breeding system animals. In theory, this works product goals. In a roto-ter-
angle. At the top, in the would be ideal for breed/line “incredibly well,” according to minal system, approximately
smallest tier, are consum- complementarity to produce Bormann. However, she clar- half of a producer’s females
er preferences: tenderness, the desired end product. In ifies, the beef industry isn’t
juiciness, flavor and portion a static terminal system, fe- structured to provide a large continued on page 22

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