Texas A&M University

Morphometrics

The following body measurements will be performed on all cases and controls. Please follow the instructions carefully to obtain accurate measurements.


Neck Circumference

The neck circumference is measured half-way between the poll and the highest point of the withers with the neck held in a neutral position.

Body Measurement The neck, in relaxed position, measures 36 inches from the poll to the highest point of the withers. A mark is placed at the half-way point, 18 inches.
Body Measurement The circumference of the neck is measured at the midpoint of 18 inches, perpendicular to the topline of the horse's neck.
Body Measurement The neck circumference measures 42 inches in this horse.

Height

Height is measured from the ground to the highest point of the withers.

Body Measurement The horse is measured from the ground to the highest point of the withers.
Body Measurement This horse measures 60.5 inches tall.

Abdominal Circumference

The abdominal circumference is measured at 1/3 the distance from the tuber coxae to the point of the shoulder.

Body Measurement The horse is measured in a straight line from the tuber coxae to the point of the shoulder. The total distance is 48 inches.
Body Measurement 1/3 the distance from the tuber coxae to the point of the shoulder is 16-inches. A mark is placed at this level.
Body Measurement The abdominal circumference is obtained at the 16 inch mark, during end-expiration.
Body Measurement The abdominal circumference in this horse is 84 inches.

Girth Circumference

The girth circumference is measured behind the elbow immediately behind the slope of the withers.

Body Measurement The measuring tape is placed around the horse, behind the elbow and immediately behind the slope of the withers.
Body Measurement The girth circumference of this horse is 78 inches.