Enhanced comment feature has been enabled for all readers including those not logged in. Click on the Discussion tab (top left) to add or reply to discussions.

Calving Difficulty

From BIF Guidelines Wiki
Revision as of 17:50, 24 June 2019 by Bgolden (talk | contribs) (Created page with "<!-- To use this, add &preload=Template:Trait to the URL after clicking on the Create button or redlink and reload the page --> <!-- Place brief trait defin...")

(diff) ← Older revision | Approved revision (diff) | Latest revision (diff) | Newer revision → (diff)


Calving difficulty is a subjective measure of the degree of dystocia. Dystocia can be caused by a large pre-natal calf, small pelvic area of the dam, lack of sufficient uterine contractions, insufficient dilation of the cervix, or mispositioned calf prior to parturition. Calving ease EPD are produced from calving difficulty scores and birth weight observations.

Phenotype

Producers are asked to score the degree of calving difficulty using the following subjective scores:

Score Description
1 No difficulty, no assistance required
2 Minor difficulty, some assistance
3 Major difficulty, usually mechanical assistance
4 Caesarian section or other surgery
5 Abnormal presentation

Adjusted Value

Contempory Group

Genetic Evaluation

Usage