Two-dimensional and M-mode ultrasonographic features of the heart of lactating Crossbred Dairy Cattle

Issue Date

1-2016

Abstract

The study was conducted to characterize the ultrasonographic features of the heart in lactating dairy cattle and identify possible relationships between the ultrasonographic features and milk production performance. Sixty-eight 4-13 year-old Holstein-Friesian x Sahiwal crossbred dairy cattle, weighing 400-450 kg, with milk production of 4-20 kg/day were utilized to determine the two-dimensional and M-mode ultrasonographic features of the heart. The animals were grouped by average daily milk production into low producers (<9 >kg, 26 animals), medium producers (9-11 kg, 23 animals) and high producers (>11 kg, 19 animals). The heart was examined on the right thorax using an ultrasound machine equipped with a 3.5 MHz convex scanner. The cardiac structures were identified using two-dimensional ultrasonography and measurements were made using M-mode echocardiography. No significant differences were observed between the three groups, except for interventricular septum in diastole which was higher in high milk producers than in low and medium milk producers. The echocardiographic values obtained in the study can be helpful in diagnosing cardiovascular disorders of lactating dairy cattle with different milk production performances.

Source or Periodical Title

Philippine Journal of Veterinary Medicine

ISSN

0031-7705

Volume

53

Issue

1

Page

1-9

Document Type

Article

Language

English

Subject

Cattle, Echocardiography, Heart, Lactation, Ultrasound

Digital Copy

yes

Link to Full Text

Share

COinS