Establishment of fetal age equations based on ultrasound measurements in cross-bred Holstein cows

Objective: To establish fetal age equations based on ultrasound measurements in cross-bred Holstein cows in Thailand.Methods: The animals were bred for 30-120 d before pregnancy diagnosis using transrectal ultrasonography with real-time B-mode and specify 5 or 7.5 MHz linear array transducer. Parame...

Full description

Bibliographic Details
Main Authors: Kanoknan Somnuk, Pim Wannapakorn, Waraporn Raksapol, Bunlue Kornmatitsuk, Sudsaijai Kornmatitsuk
Format: Article
Language:English
Published: Wolters Kluwer Medknow Publications 2017-01-01
Series:Asian Pacific Journal of Reproduction
Subjects:
Online Access:http://www.apjr.net/article.asp?issn=2305-0500;year=2017;volume=6;issue=4;spage=186;epage=190;aulast=Somnuk