The cow’s greatest energy requirement occurs during
peak lactation, which is 60 days postpartum. She will also be trying to get rebred in order to calve within a 365-day window. Nuttelman says the cow’s energy requirements start
to decrease after peak lactation as she starts producing less milk, and her calf starts to demand less milk as it begins to consume additional feed.
Third trimester needs higher energy and protein As the cow enters the start of her third trimester,
energy and protein requirements begin increasing at a greater rate. Protein is commonly the fi rst limiting nutri- ent once the cow enters her third trimester. However, this is entirely dependent on the diet the cow is consuming. As the fetus continues to grow and the cow prepares
for lactation, energy requirements increase. These nu- tritional demands will continue to increase until the cow reaches peak lactation once again. At this point, the cycle begins again. “As far as the
cow’s demands are concerned, mid-gestation is the best opportunity to manipulate her BCS, because this is typically when the cow is not lactating,” he says.
Additionally, Nuttelman reminds producers that a
cow should be on a balanced mineral program year- round, one that matches the time of season for the specifi c region. The most expensive mineral is not necessarily the
best or even necessary for an individual producer. Having a basic understanding of the cow’s mineral requirements for the specifi c area where she is living can help producers avoid spending money unnecessar- ily. Mineral supplementation is also a good method for incorporating an ionophore into the cow’s daily diet, which will help improve forage digestibility. It is important to remember that a cow needs to be
in optimal body condition at the time of calving for her to wean a healthy calf and for her to be successful in the subsequent breeding season. If a cow is in poor condition and needs to gain ad-
ditional weight, the easiest point in the energy cycle to accomplish this is when the calf is weaned and she becomes dry, which typically coincides with mid- gestation. Each operation has different resources available and,
therefore, producers need to match the cow’s nutrient requirements with their resources.
JAN 15 FEB 6 Call, write or click for offi cial entry applications, premium lists, rodeo tickets and other info.
MAJOR CATTLE SHOWS/PUREBRED SALES 47th Annual Commercial Hereford Heifer Sale JAN. 31 29th Annual Invitational Commercial Heifer Sale FEB. 6
INVITATIONAL RANCH RODEO BEST OF THE WEST North Texas Chevy Dealers An ExxonMobil Subsidiary
JAN. 15 & 16 @ 7:30 p.m. A part of Ranching Heritage Weekend presented by Western Horseman®
BULLS’ NIGHT OUT JAN. 19 & 20
WILL ROGERS MEMORIAL CENTER P.O. BOX 150, FORT WORTH, TX 76101 817.877.2400 •
FWSSR.COM
tscra.org
@ 7:30 p.m. Presented by
PlainsCapital Bank
JAN. 17 @ 7:30 p.m. Presented by
BEST OF MEXICO CELEBRACIÓN
Univision Radio & Telemundo 39
JAN. 21 @ 7:30 p.m. Presented by SCHAEFER® “America’s Finest Ranchwear”
FORT WORTH SUPER SHOOTOUT®
-
JAN. 18 @ 2:00 p.m. Presented by
COWBOYS OF COLOR RODEO
Univision Radio & Telemundo 39
@ 10:00 a.m., 2:00 p.m. & 7:30 p.m.
Entry Deadline for all Livestock: NOVEMBER 15, 2015
October 2015 The Cattleman 103
WORLD’S ORIGINAL INDOOR RODEO® JAN. 22 - FEB. 6
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