D. Gandhimathi

Comparative Assessment of Thermotolerance in Indigenous and Commercial Chickens Using Expression of HSP70 and HSP90 Gene

D. Gandhimathi, P. Muthusamy, R. Richard Churchil, R. Narendra Babu & P. Raja · Journal of Scientific Research and Reports · 2025

The experiment was conducted during November 2023 at Madras Veterinary College, Chennai. In poultry production, environmental stressors such as high ambient temperature decreased productivity of birds to counter these adverse effects, HSP70 and HSP90 are rapidly synthesized under...

Open access Research Article 10.9734/jsrr/2025/v31i113673

Haematological and Biochemical Profiles of Indigenous and Exotic Chickens during Broody and Laying Phases

D. Gandhimathi, P. Muthusamy, R. Richard Churchil & S. Vairamuthu · Journal of Scientific Research and Reports · 2025

The Indigenous Siruvidai is a native chicken ecotype of Tamil Nadu, while TANUVAS Aseel is an improved Aseel variety developed through selective breeding by the Poultry Research Station, TANUVAS. White Leghorn birds used in this study were procured from a commercial source. This...

Open access Research Article 10.9734/jsrr/2025/v31i73291

Yolk Colour Development, Plateau Stability and Post-Withdrawal Depletion with Marigold, Paprika and Annatto Pigments in Laying Hens

B. Sagar, B. Vasanthi, R. Richard Churchil, D. Gandhimathi & K. Sangilimadan · European Journal of Nutrition & Food Safety · 2026

Background: Natural botanical pigments can enhance egg yolk colour, but their temporal responses during supplementation and after withdrawal may differ. Aims: This study evaluated the comparative pigmentation kinetics, plateau stability, and post-withdrawal depletion of three nat...

Open access Research Article 10.9734/ejnfs/2026/v18i112181