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Form GE

Download the MS-Word version HERE FormGE]

DESCRIPTION OF NATIONAL GENETIC EVALUATION SYSTEMS

Country (or countries)

Main trait group1
NOTE!
Only one trait group per form!

Breed(s)

Trait definition(s) and unit(s) of measurement2
Attach an appendix if needed

Method of measuring and collecting data

Time period for data inclusion

Age groups (e.g. parities) included

Other criteria (data edits) for inclusion of records

Criteria for extension of records (if applicable)

Sire categories

Environmental effects3, pre-adjustments

Method (model) of genetic evaluation3

Environmental effects3 in the genetic evaluation model

Adjustment for heterogeneous variance in evaluation model

Use of genetic groups and relationships

Blending of foreign/Interbull information in evaluation

Genetic parameters in the evaluation

Use Appendix GE for heritability/genetic variance estimates; for multiple-trait genetic evaluations, provide genetic correlation estimates between traits separately.Use also appendices PR, CO, BCO, SM, LO, CA, as applicable, if you participate in the international genetic evaluations of Interbull

System validation

Expression of genetic evaluations
If standardised (e.g. RBV), give standardisation formula in the appendix

Definition of genetic reference baseNext base change

Calculation of reliability

Criteria for official publication of evaluations

Number of evaluations / publications per year

Use in total merit index4

Anticipated changes in the near future

Key reference on methodology applied

Key organisation: name, address, phone, fax, e-mail, web site

1) Either: Production (e.g. milk, fat, protein), Conformation, Health (e.g. mastitis resistance, milk somatic cell, resistance to diseases other than mastitis), Longevity, Calving (e.g. stillbirth, calving ease), Female fertility (e.g. non-return rate, interval between reproductive events, number of AI’s, heat strength), Workability (e.g. milking speed, temperament), Beef production, Efficiency (e.g. body weight, energy balance, body conditioning score), or Other traits.

2) Indicate frequencies per category if the trait is categorical and specify transformation of data if practiced.

3) Use abbreviations for most common effects (see document with list of abbreviations at www.interbull.org/service/service documentation/abbreviation to use in Interbull forms) and indicate random (R) or fixed (F).

4) Please give economic weights and indicate how they are expressed (preferably in genetic standard deviation units).

Form GE Appendix GE Parameters used in genetic evaluation

Country (or countries):

Main trait group:

Breed (repeat as necessary):

Trait

Definition

ITBa

h2b

geneticvarianceb

official proofstandardisation formulac

a Indicate, with X, traits that are submitted to Interbull for international genetic evaluations.

b If repeated records are treated as separate traits, provide heritability estimates and genetic variances separately for each trait, as well as for all traits pooled, i.e. for the trait submitted to Interbull.

c Expressed as follows: StandEval=((eval-a)/b)*c+d where a=mean of the base adjustment, b=standard deviation of the base, c=standard deviation of expression (include sign if scale is reversed), and d=base of expression.

Form GE Appendix PR Parameters for national genetic evaluations for production traits as provided to Interbull

Country (or countries):

Main trait group:

Production

Breed(s):

Trait

h2a

geneticvariancea

official proofstandardisation formulab

Milk yield:

Fat yield:

Protein yield:

a If lactations, or part of lactations, are treated as separate traits, provide heritability estimates and genetic variances separately for each lactation, as well as for all lactations pooled, i.e. for the trait submitted to Interbull.b Expressed as follows: StandEval=((eval-a)/b)*c+d where a=mean of the base adjustment, b=standard deviation of the base, c=standard deviation of expression (include sign if scale is reversed), and d=base of expression.

Form GE Appendix CO Parameters for national genetic evaluations for conformation traits as provided to Interbull
(all breeds except Brown Swiss)

Country (or countries):

Main trait group:

Conformation

Breed(s):

Trait

Definition

h2a

geneticvariancea

official proofstandardisation formulab

Stature

Chest Width

Body Depth

Angularity

Rump Angle

Rump Width

Rear Leg Set

Rear Leg Rear View

Foot Angle

Fore Udder

Rear Udder Height

Udder Support

Udder Depth

Front Teat Placement

Teat Length

Rear Teat Placement

Overall Conformation Score

Overall Udder Score

Overall Feet & Leg Score

Locomotion

Body Condition Score

a If repeated records are treated as separate traits, provide heritability estimates and genetic variances separately for each trait, as well as for all traits pooled, i.e. for the trait submitted to Interbull.b Expressed as follows: StandEval=((eval-a)/b)*c+d where a=mean of the base adjustment, b=standard deviation of the base, c=standard deviation of expression (include sign if scale is reversed), and d=base of expression.

Form GE Appendix BCO Parameters for national genetic evaluations for conformation traits as provided to Interbull

Country (or countries):

Main trait group:

Conformation

Breed:

Brown Swiss

Trait

Definition

h2a

geneticvariancea

official proofstandardisation formulab

Stature

Chest width

Body depth

Angularity

Rump angle

Rump Width

Rear Leg Side View

Pasterns/Foot Angle

Deep Heel (Hoof Height)

Fore Udder Attachment

Rear Udder Attachment Height

Rear Udder Attachment Width

Udder Support

Udder Depth

Front Teat Placement

Teat Length

Rear Teat Placement

Overall Conformation Score

Overall Udder Score

Overall Feet & Leg Score

Locomotion

Body Condition Score

a If repeated records are treated as separate traits, provide heritability estimates and genetic variances separately for each trait, as well as for all traits pooled, i.e. for the trait submitted to Interbull.b Expressed as follows: StandEval=((eval-a)/b)*c+d where a=mean of the base adjustment, b=standard deviation of the base, c=standard deviation of expression (include sign if scale is reversed), and d=base of expression.

Form GE Appendix SM Parameters for national genetic evaluations for udder health traits as provided to Interbull

Country (or countries):

Main trait group:

Health

Breed(s):

Trait

h2a

geneticvariancea

official proofstandardisation formulab

Milk Somatic Cell:

Clinical Mastitis:

a If repeated records are treated as separate traits, provide heritability estimates and genetic variances separately for each trait, as well as for all traits pooled, i.e. for the trait submitted to Interbull.b Expressed as follows: StandEval=((eval-a)/b)*c+d where a=mean of the base adjustment, b=standard deviation of the base, c=standard deviation of expression (include sign if scale is reversed), and d=base of expression.

Form GE Appendix LO Parameters for national genetic evaluations for longevity traits as provided to Interbull

Country (or countries):

Main trait group:

Longevity

Breed(s):

Trait

h2

geneticvariance

official proofstandardisation formulaa

Direct longevity:

Combined longevity:

a Expressed as follows: StandEval=((eval-a)/b)*c+d where a=mean of the base adjustment, b=standard deviation of the base, c=standard deviation of expression (include sign if scale is reversed), and d=base of expression.

Form GE Appendix CA Parameters for national genetic evaluations for calving traits as provided to Interbull

Country (or countries):

Main trait group:

Calving Traits

Breed(s):

Trait

h2

geneticvariance

official proofstandardisation formulaa

Direct calving ease:

a Expressed as follows: StandEval=((eval-a)/b)*c+d where a=mean of the base adjustment, b=standard deviation of the base, c=standard deviation of expression (include sign if scale is reversed), and d=base of expression.

public/Form GE1 (last edited 2014-10-29 10:25:07 by Valentina)