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Full-Text Articles in Medicine and Health Sciences

Effects Of Behavior Responses On The Vasovagal Tonus Index In Healthy Dogs, Walasinee Moonarmart, Kripitch Suttummaporn, Thapana Jarutummsiri, Rungrote Osathanoniri Mar 2012

Effects Of Behavior Responses On The Vasovagal Tonus Index In Healthy Dogs, Walasinee Moonarmart, Kripitch Suttummaporn, Thapana Jarutummsiri, Rungrote Osathanoniri

The Thai Journal of Veterinary Medicine

The vasovagal tonus index (VVTI) is a time-domain analysis method of heart rate variability acquired over a short period. It is a useful measurement for evaluating severity and prognosis heart failure in dogs. Behavior responses can be used to evaluate stress in each dog individually. Stress during clinical examination may interfere with the VVTI since it influences the sympathetic nervous system. The aim of this study was to investigate the effect of behavior responses during clinical examination on the VVTI. Data set obtained from physical examination, systolic blood pressure measurement, electrocardiography, VVTI calculation, and video recording were collected from 50 …


Seasonal And Group Effects On Dairy Cow Behavior In Large Yards, Akbar Nikkhah, Rasool Kowsar Jan 2012

Seasonal And Group Effects On Dairy Cow Behavior In Large Yards, Akbar Nikkhah, Rasool Kowsar

Turkish Journal of Veterinary & Animal Sciences

In mechanized modern dairy facilities with competitive environments, monitoring behavior provides opportunities to manipulate and optimize the nutritional, health, and social status of high-merit cows. The objective of the current study was to determine seasonal and cow group effects on the eating, ruminating, standing, and lying behaviors of dairy cows in large yards. Seasonal data on various behaviors of lactating cows in different production and lactation stages were collected continuously for 26 months, from December 2006 through February 2008. The herd had approximately 3000 dairy cattle housed in groups within specific yards. A total of 415 multiparous high-producing cows (MH), …