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Animal Nutritional Physiology Lab
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A lab that investigates heat stress in chickens through amino acids and neuropeptides.

AboutAbout the lab
Exploring how heat affects chickens through amino acids and neuropeptides.
The Animal Nutritional Physiology Lab studies heat stress in chickens, a major threat to the poultry industry.
The lab has identified physiological and metabolic indicators related to heat stress, and has found amino acids that play a role in body temperature regulation, including L-citrulline, L-leucine, and taurine.
In addition to amino acids, the lab also focuses on neuropeptide Y and related peptides, which regulate stress and immune function.
Key terms
- Heat stress
- The physiological burden placed on an animal's body by exposure to high temperatures.
- L-citrulline
- A type of amino acid. In chicks, oral administration lowered body temperature and made them more tolerant of heat.
- Neuropeptide
- A small molecule made of linked amino acids and released from nerves. Neuropeptide Y is one example.
NewsLab news
An Associate Professor receives an award for contributions to peer review for Animal Science Journal
ResearchResearch themes
The lab has identified physiological and metabolic indicators of heat stress in chickens and investigates the amino acids and neuropeptides involved in body temperature regulation. It also studies how neuropeptides function in the regulation of stress and immunity.
*Illustrative imageAmino acids and heat stress
The lab investigates amino acids that play a role in body temperature regulation under heat stress in chickens. Amino acids including L-citrulline, L-leucine, and taurine have been identified.
*Illustrative imageFunctions of neuropeptides
The lab focuses on neuropeptide Y and related peptides, which regulate stress and immune function. It investigates how neuropeptides function in feeding and body temperature regulation in birds.
MembersFaculty
The Animal Nutritional Physiology Lab consists of faculty members, postdoctoral and visiting researchers, doctoral students, master's and research students, and undergraduate students.As of 2025
- Associate ProfessorVishwajit Sur Chowdhury
VoicesStudent voices
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Report an errorAbout the images
The top and research theme images are illustrative and were not taken at the lab. They are cropped from Wikimedia Commons images. Cropped CC BY-SA images are provided under the same CC BY-SA license as the original (version shown on each line).
- Top image: “Broiler chicks around a week old” Shadow Ayush / CC BY-SA 4.0 (cropped)
- Amino acids and heat stress: “Broiler Chickens 001” Icem4k / CC BY-SA 4.0 (cropped)
- Functions of neuropeptides: “Poultry or chicken 04” Colesman25 / CC BY-SA 4.0 (cropped)
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