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...
Main Authors: | , , , , |
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Format: | Article |
Language: | English |
Published: |
Wolters Kluwer Medknow Publications
2017-01-01
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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 |