Jersey Evaluation
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32 Terms
Max score for 1st lactation
89
Max score for 2nd lactation
91
Max score for 3rd lactation
93
Max score for 4th lactation
94
Max score for 5th lactation
95+
AJCA gives you:
objective information, marketing value
What scores are preferred for the Dairy Form category
Intermediate
Least useful traits for prediction of cow survival
Body size, rump
Most important traits for survival
Udder traits (udder depth)
Second important traits
Feet and leg traits
Traits predict:
Survival in the herd, lifetime profitability
Range of Stature score
1-80
What score represents a level rump?
20
Where is rump width measured?
at the hips
How is rear udder height measured?
in relation to the midpoint between the point of the hock and the pins
How is rear teat placement scored?
Side view and rear view
What is not scored?
Body depth, rear feet-rear view
What % of total Jerseys are Excellent?
8
What % of total Jerseys are Very Good?
62
What % of Jerseys are Desirable?
29
What % of Jerseys are Acceptable?
1%
What scores are Excellent?
90+
What scores are Very Good?
80-89
What scores are Desirable?
70-79
What scores are Acceptable?
60-69
What scores are Poor?
50-59
A how many month rotation is used for Jersey evaluation?
6-9
States with the highest quantity of Jerseys appraised in 2024?
California, Oregon, New York, Wisconsin, Iowa
Reasons for Jersey appraisal?
Improve function and profitability, create matings to improve the next generation, tool to select sires, provide marketing value
Rear Feet & Legs became…
Feet & Legs
Equal weight is now given to what two categories for 7 points each?
Rear Udder, Fore Udder
True type images for what breeds were updated?
Holstein, Jersey, Milking Shorthorn