Predict genetic risk for milk fever in Jerseys
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New Clarifide® Plus for Jerseys: What You Need to Know

April 04, 2019
POSTED BY: Dave Erf | Geneticist | U.S. Dairy Technical Services | Zoetis

With the introduction of Clarifide® Plus for Jerseys, for the first time ever you can use genomic testing direct selection to reduce the risk of disease. Clarifide Plus allows you to select cattle for traits vital to the Jersey breed such as mastitis, lameness, milk fever and scours.

Read on for answers to key questions we’ve received from your Jersey peers about Clarifide Plus for Jerseys.

  1. What is Clarifide Plus for Jerseys?

Clarifide Plus for Jerseys is the first commercially available, U.S.-based genomic test created exclusively for the Jersey breed. It includes genomic predictions that provide direct indication of the genetic risk factors for seven of the most common and costly adult cow diseases and three calfhood diseases.

Cow Wellness Traits

Calf Wellness Traits

Mastitis

Calf livability

Lameness

Respiratory disease

Metritis

Scours

Retained placenta

 

Displaced abomasum

 

Ketosis

 

Milk fever

 

  1. What common Jersey diseases can I test for?

If you work with Jerseys, you know how quickly adult cows go down with milk fever and how susceptible Jersey calves are to scours. Testing with Clarifide Plus for Jerseys will give you the information you need to genomically select Jersey heifers based on wellness and other economically important traits prevalent to the Jersey breed. These traits include mastitis, lameness, milk fever and scours.

Raising healthy heifers with fewer health challenges means fewer treatment and fewer bottles of calcium.

  1. What indexes are included in Clarifide Plus for Jerseys and how do they differ from well-known selection indexes such as Cheese Merit (CM$) and Genomic Jersey Performance Index (GJPI)?

Zoetis developed the Dairy Wellness Profit Index® (DWP$®), Wellness Trait Index® (WT$®) and Calf Wellness Index™ (CW$™) to provide the most comprehensive animal ranking selections commercially available. These selection indexes are critical components of all genetic selection strategies.

DWP$ is a simple, easy-to-use, multi-trait selection index created to help make more profitable animal rankings and management decisions. It includes:

    • Production
    • Reproduction
    • Functional type
    • Longevity,
    • Calving
    • Zoetis adult cow and calf wellness traits
    • Polled* results

The use of DWP$ offers selection emphasis comparable to other well-known selection indexes such as Cheese Merit (CM$) and Genomic Jersey Performance Index™ (GJPI™) on core traits. However, DWP$ applies additional selection emphasis and improvement on cow and calf wellness to help producers achieve faster progress toward an overall profitability goal.

WT$ and CW$ are custom indexes that estimate differences in expected lifetime profit by factoring in disease risk. Combined with DWP$, WT$ and CW$ offer the most comprehensive package of trait predictions to help reach herd health and profitability goals. In fact, DWP$ identifies greater genetic variation around profitability than other industry indexes due to the greater description of actual disease risk for adult cows and calves.

Clarifide Plus for Jerseys builds on the proven success of Clarifide Plus for Holsteins. It comes with industry-leading support and expertise to help producers integrate test results with other Zoetis management solutions to achieve desired outcomes.

We’re happy to talk to you to help answer more questions.

*Polled trait = genetically hornless

CLR-00389

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