|
Size: 2119
Comment:
|
← Revision 3 as of 2018-11-08 13:56:03 ⇥
Size: 2153
Comment:
|
| Deletions are marked like this. | Additions are marked like this. |
| Line 1: | Line 1: |
| Revised (revision 2000-06 denoted by *) | {{attachment:ibc_logo.jpg}} |
| Line 5: | Line 5: |
| ||Trait ||WHFF trait definition ||Other possible definition || ||1. Stature ||Height of the rump between hips ||wither height || ||2. Chest width ||width of the fore end of the cow, distance between the fore legs;front view ||strength || ||3. Body Depth ||depth of the last rib; deepest point of the body; side view; two dimensional ||depth of chest || ||4. Angularity ||angularity is not a single linear trait and cannot be measured; it is an essential trait to describe the perceived milk production; the extreme is a cow that shows openness and angle of the ribs, flatness of bone, sharp<<BR>>shouldered, long neck, clean head and lack of excess fleshing on hips and pins ||dairy character; dairy form || ||5. Rump Angle ||angle of the rump from hips to pins; side<<BR>>view || || ||6. Rump Width ||distance between pins ||distance between hips/thurls || ||7. Rear Leg set ||angle of the hock in the rear leg; side view || || ||8. Rear Leg Rear View ||angle of toe out of the rear feet || || ||9. Foot Angle* ||angle between ground and front of the rear<<BR>>foot; side view ||foot diagonal;<<BR>>heel depth || ||10. Fore Udder ||strength and quality of attachment between<<BR>>body and fore udder; side view || || ||11. Rear Udder Height ||distance between vulva and milk secreting<<BR>>tissue; in relation to the height of the animal ||distance between<<BR>>pin bone and milk<<BR>>secreting tissue || ||12. Udder Support ||cleft of udder; emphasis to the bottom of<<BR>>udder ||central ligament;<<BR>>median<<BR>>suspensory || ||13. Udder Depth ||distance between hock and bottom of udder || || ||14. Teat Placement ||placement of front teats; front view || || ||15. Teat Length ||length of front teats; side view || || |
||'''Trait ''' ||'''WHFF trait definition ''' ||'''Other possible definition ''' || ||1. Stature ||Measured from top of the spine in between hips to ground ||wither height || ||2. Chest width ||Measured from inside surface between the top of the front legs ||strength || ||3. Body Depth ||Distance between the top of spine and bottom of barrel at last rib – the deepest point. Independent of stature. ||depth of chest || ||4. Angularity ||The angle and openness of the ribs, combined with flatness of bone avoidingcoarseness. Not a true linear trait. ||dairy character; dairy form || ||5. Rump Angle ||Measured as the angle of the rump structure from hooks (hips) to pins. || || ||6. Rump Width ||The distance between the most posterior point of pin bones ||distance between hips/thurls || ||7. Rear Leg set ||Direction of feet when view from the rear. || || ||8. Rear Leg Rear View ||Angle measured at the front of the hock || || ||9. Foot Angle ||Angle at the front of the rear hoof measured from the floor to the hairline atthe right hoof ||foot diagonal;<<BR>>heel depth || ||10. Fore Udder ||The strength of attachment of the fore udder to the abdominal wall.Not a true linear trait. || || ||11. Rear Udder Height ||The distance between the bottom of the vulva and the milk secreting tissue:in relation to the height of the animal. ||distance between<<BR>>pin bone and milk<<BR>>secreting tissue || ||12. Udder Support ||The depth of cleft, measured at the base of the rear udder. ||central ligament;<<BR>>median<<BR>>suspensory || ||13. Udder Depth ||The distance from the lowest part of the udder floor to the hock. || || ||14. Teat Placement ||The position of the front teat from centre of quarter. || || ||15. Teat Length ||The length of the front teat. || || |
Table1. Conformation traits in Interbull genetic evaluations for Holstein as defined by the World Holstein Friesian Federation (WHFF); other possible trait definition also included |
Trait |
WHFF trait definition |
Other possible definition |
1. Stature |
Measured from top of the spine in between hips to ground |
wither height |
2. Chest width |
Measured from inside surface between the top of the front legs |
strength |
3. Body Depth |
Distance between the top of spine and bottom of barrel at last rib – the deepest point. Independent of stature. |
depth of chest |
4. Angularity |
The angle and openness of the ribs, combined with flatness of bone avoidingcoarseness. Not a true linear trait. |
dairy character; dairy form |
5. Rump Angle |
Measured as the angle of the rump structure from hooks (hips) to pins. |
|
6. Rump Width |
The distance between the most posterior point of pin bones |
distance between hips/thurls |
7. Rear Leg set |
Direction of feet when view from the rear. |
|
8. Rear Leg Rear View |
Angle measured at the front of the hock |
|
9. Foot Angle |
Angle at the front of the rear hoof measured from the floor to the hairline atthe right hoof |
foot diagonal; |
10. Fore Udder |
The strength of attachment of the fore udder to the abdominal wall.Not a true linear trait. |
|
11. Rear Udder Height |
The distance between the bottom of the vulva and the milk secreting tissue:in relation to the height of the animal. |
distance between |
12. Udder Support |
The depth of cleft, measured at the base of the rear udder. |
central ligament; |
13. Udder Depth |
The distance from the lowest part of the udder floor to the hock. |
|
14. Teat Placement |
The position of the front teat from centre of quarter. |
|
15. Teat Length |
The length of the front teat. |
|
16. Overall Conformation |
|
final score; final class |
17. Overall udder score |
|
|
18. Overall feet&leg score |
|
|