454 Yearling Feed Trial

Trial Overview:

This field trial evaluated 454 in yearling feedlot cattle during summer conditions. Feeding 454 at 350 mg per head per day from late May through September was used to help manage heat stress and maintain dry matter intake.

Cattle Evaluated For:

Dry matter intake
Average daily gain
Feed conversion
Summer heat conditions

Feeding Rate:

350 mg/head/day

Trial Type:

Yearling Feed Trial

Environment:

96°F AVG High Temp

Environment:

54°F AVG High Temp

Trial Performance Summary

Yearling Feedlot Evaluation of 454 Under Heat Stress

Field observations from a yearling cattle trial assessing intake, gain, and feed efficiency with 454 during summer conditions.
Data represents feeding from late May through September under typical heat load.

Feeding Rate

mg/day

Per head per day during summer feeding

Average Daily Gain

lbs/day

Observed during the feeding period

Dry Matter Conversion

lbs/day

Dry matter conversion across the trial

Intake Stability

Dry matter intake supported under heat stress

Yearlings Trial - 454

Feeding 454 at 350 mg per head per day from late May through September helped support dry matter intake during summer heat conditions. In this yearling feed trial, cattle maintained performance through warm-weather conditions, with an observed average daily gain of 4.57 pounds per head per day and dry matter conversion of 6.26.

Trial Interpretation

This yearling feed trial supports the role of 454 in helping cattle maintain intake and performance during periods of elevated summer heat. With consistent feeding through the warm season, cattle showed solid gain and feed conversion while temperatures averaged 96°F high, 59°F low, with an average dew point of 49.

Yearling 454 Feed Trial Summary

Feeding period, ingredient pricing, and performance results

Yearlings on Feed
Date In	7/14/12
Date Out	9/13/12
DOF	61
Weight In	813
Weight Out	1087

Pricing of Ingredients
Corn	$8/bu
MDDGs	$155/ton
Silage	$60/ton
Mixed Hay	$115/ton
Straw	$90/ton

Results Summary
Metric	Value	Performance
Total Intake	660,795 lbs	As Fed Conv. 8.8
Total DM Intake	470,626 lbs	DM Conv. 6.26 lbs
Total Pounds Gained	75,151 lbs	ADG 4.57 hd/day
Total Cost	$63,570	COG w/o yard/int $0.85
Cost / hd / day	—	$4.35
COG w yard/int	—	$0.95