The NAGARATHAR SANGAM OF NORTH AMERICA ("NSNA") is a non-profit, charitable, non-political, tax-exempt community-based organization that was founded in 1976 to foster cohesive understanding and cooperation between Nagarathars in North America.
Vision
To preserve and protect the rich heritage and culture of Nattukottai Nagarathars while fostering their growth, and enhance the quality of life for all Nagarathars.
Objective
The main objectives of this organization are to:
Since its inception the organization has been able to uphold its objectives through its wide spectrum of activities. New initiatives recognize the long-standing generational growth of the Nagarathar community and serves to foster cross-cultural appreciation and understanding with other communities and organizations with similar objectives in North America.
Contributions to NSNA are exempt from United States federal income tax under Section 501 (C) (3) of the Internal Revenue Code of 1954.

I extend my heartfelt gratitude to the dedicated leadership of NSNA over the years, which has allowed our organization to flourish since its humble beginnings in 1976. As we approach the golden jubilee celebrations of NSNA, Atlanta takes great pride in being entrusted with administering the NSNA Executive Committee for the 2025-2026 term. I am truly honored to lead this talented team during this important milestone and look forward to serving our beloved community.
The Nagarathars are a Chettiar community that originated in Kaveripoompattinam under the Chola kingdom of India. They are a prominent mercantile caste in Tamil Nadu, South India. Nagarathar business people are Hindus, predominantly originating in the Chettinad region of Tamilnadu. They have been trading with Southeast Asia since the heyday of the Chola empire, but in the 19th Century they migrated to countries throughout Southeast Asia. Nagarathars, also known as Nattukkottai Chettiars, were an important trading class of 19th and 20th century South East Asia and spread to Sri Lanka, Myanmar, Malayasia, Singapore, Java, Sumatra, and Ho Chi Minh City.
செட்டிநாடு என்றாலே நம் நினைவுக்கு வருவது செட்டிநாட்டுப் பண்பாடும், பாரம்பரியமும், தேக்குமரத்திலான மாளிகைகளும், பாரம்பரியமிக்க உணவு வகைகளும், மூன்று நாள் திருமணங்களும், சிறப்பான சடங்கு முறைகளும், தனித்துவமான தங்க நகைகளும், வகை வகையான வைர நகைகளும், எண்ணிலடங்காத சீர்வரிசைகளும், சாமான்களும் தான்.
செட்டிநாட்டில் எத்தனையோ வகையான சாமான்கள் உள்ளது. செட்டிநாட்டு சாமான்கள் என்று பொதுப்படையாய் கூறினால் மிகையாகாது. மர சாமான்கள் முதல் தொடங்கி, மங்கு சாமான்கள்,
Interview of Dr. Priya Sethu Chockalingam, Vice President and Head of Clinical Bioanalytics & Translational Sciences at a Cell & Gene therapy (CGT), Boston, MA
Dr. Priya has more than 2 decades of drug discovery and development experience in several major biopharma and biotechs in the US. Currently, she is the Vice President and Head of Clinical Bioanalytics & Translational Sciences at a Cell & Gene therapy (CGT) company in
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Stereotypies (e.g., crib-biting in horses, bar-biting in pigs, pacing in zoo carnivores) are repetitive, invariant behaviors with no obvious goal. Research indicates these behaviors arise from chronic frustration or central nervous system dysfunction, involving dopaminergic dysregulation in the basal ganglia. In a veterinary context, the emergence of a new stereotypic behavior in a geriatric dog (e.g., compulsive circling) may indicate a brain tumor, while in a young stall-confined horse, it indicates environmental insufficiency (Mason & Latham, 2004).
A guide to for a specific species (dogs, cats, horses).
For decades, many legal systems had a blind spot regarding sexual acts with animals, often treating them as a nuisance crime or a cultural taboo. That has changed dramatically. Today, the act known as "zoofilia" (bestiality) is a serious criminal offense in most Western nations.
Smart collars track changes in sleep patterns, scratching, and heart rate variability, allowing veterinarians to monitor pain and anxiety levels remotely.
Veterinary science and animal behavior intersect to provide holistic care. Physical illness directly alters behavior, and psychological stress can cause or worsen physical disease.
The synergy between these disciplines has given rise to the specialized field of veterinary behaviorism. These experts treat "behavioral illnesses" like separation anxiety, obsessive-compulsive disorders, and aggression using a combination of environmental modification and psychotropic medication. This acknowledges that the brain is an organ like any other; it can suffer from chemical imbalances that require medical intervention. This approach has saved countless pets from euthanasia or abandonment by addressing the root causes of "bad" behavior. One Welfare: The Ethical Link
New studies explore the gut-brain axis, proving that specific diets and probiotics can alter gut flora to help reduce anxiety and aggression.
Veterinary science plays a critical role in understanding and addressing animal behavior. Veterinarians are trained to observe and interpret animal behavior, identifying potential behavioral problems and developing treatment plans to address these issues. Veterinary science also encompasses the study of animal physiology, anatomy, and pathology, which provides a comprehensive understanding of animal health and disease.
A house-trained dog or cat that begins urinating indoors may not be acting out. They often suffer from urinary tract infections (UTIs), bladder stones, diabetes, or age-related cognitive decline.
Researchers are mapping animal brains to better understand conditions analogous to human PTSD, dementia (Cognitive Dysfunction Syndrome in senior pets), and autism-spectrum variants. Technology and Biometrics
Animals learn by associating their actions with consequences. This involves positive reinforcement (adding a reward to repeat a behavior) and negative punishment (removing something desirable to stop a behavior). Modern veterinary science heavily favors reward-based methods over aversive techniques.
Just as veterinary science emphasizes vaccines and parasite prevention to protect physical health, it also champions preventive behavioral care to secure mental health. Behavioral problems are the leading cause of pet abandonment and euthanasia worldwide. Preventing these issues before they develop is a critical welfare directive. Socialization Windows
An in-depth look at why searching for content like "zoofilia caballos" or "zooskool" is dangerous and illegal. This article explores the legal consequences, the link to broader violence, and how to report animal abuse.
Similar to Alzheimer's disease in humans, CDS affects geriatric pets, causing disorientation, altered sleep cycles, and house soiling. It is managed with specialized diets, antioxidant supplements, and medications like selegiline.
The integration of animal behavior and veterinary science has fundamentally changed how we care for domestic animals. By viewing medicine through the lens of behavior, veterinary professionals ensure that our animals live lives that are both physically healthy and emotionally fulfilled.
: The study of domestic animals to improve housing, handling, and stress management in farms or shelters.