Ultrasonic measurement of canine testes.

Ultrasonic measurement of canine testes. Research Abstract Details 

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Ultrasonic measurement of canine testes. Abstract Text:

B E Eilts,D B Williams,E B Moser,

The goals of the present study were to determine if ultrasonic measurement of testicular dimensions (length, width, and height) would provide an accurate assessment of canine testicular size (weight) and to determine the relationship of these measurements to animal body weight. The bodies of 30 intact male dogs of unknown health, breed or breeding history were obtained after the dogs were humanely killed at the local animal shelter. Total scrotal width (TSW) was measured by calipers and the length, width and height of each scrotal testis, excluding the epididymis, were measured by sonography. The testes were then excised and weighed, again excluding the epididymis. Multiple regression was used to predict total testicular weight from 1) only sonographic measurements (Model 1), 2) all testicular measurements (Model 2), 3) only total scrotal width (Model 3), and 4) only body weight (Model 4). In addition, stepwise multiple regression was used to identify models (Models 5 and 6) using external measurements of the testes which seemed most useful in predicting total testicular weight. Models 1, 2, 3, 4, and 6 yielded r(2) values 0.90, 0.94, 0.88, 0.48 and 0.95 respectively. Model 5 yielded an r(2) of 0.90, but the additional accuracy achieved by using the testicular height was minimal. Although sonographic testicular measurement accurately predicted testicular weight, the small degree of additional accuracy achieved over TSW measurement by calipers does not justify the use of sonography in each case. However, if a testicular ultrasound scan is being performed, the ultrasonic measurements could be used to predict testicular weight.

Ultrasonic measurement of canine testes. Publishing Authors By Initials

BE Eilts,DB Williams,EB Moser,

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Ultrasonic measurement of canine testes. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: Theriogenology

VOLUME: 40

Page Numbers: 819-28

Journal Abbreviation: Theriogenology

ISSN: 0093-691X

DAY: 26

MONTH: Oct

YEAR: 1993

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LANGUAGE: eng

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AFFILIATION: Department of Veterinary Clinical Sciences School of Veterinary Medicine, Louisiana State University Baton Rouge, LA 70803 USA.

Country: United States

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MEDLINETA: Theriogenology

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