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Articles by G. Krishnan
Total Records ( 2 ) for G. Krishnan
  Athira P. Ratnakaran , V. Sejian , V. Sanjo Jose , Shalini Vaswani , M. Bagath , G. Krishnan , V. Beena , P. Indira Devi , Girish Varma and R. Bhatta
  Climate change leads to several environmental stresses that affects livestock production. In order to re-store the productive potential the animals need to adapt to the existing climatic conditions. An animal may respond to a particular stress either through behavioral, physiological or by a combination of both and reactions of an animal to a particular stress can vary based on the animal’s earlier experience with the stressors, the duration and its intensity, the physiological status and environmental restraints. The aim of this study is therefore to understand the significance of behavioral responses in livestock adaptation. In the livestock sector, stress is considered as a reflex reaction that happens when animals are undergone through severe climatic and environmental changes and this can lead to several unfavorable consequences which can lead to even death of an animal. The discomfort which has been faced by the animals due to such stress conditions are resolved by them by generating various adaptation techniques. These adaptation techniques generated can compromise the productivity and performance of an animal. Farm animals try to cope up with different stresses by using behavioral stress responses. A better understanding of the behavior of livestock could enable improved handling and animal welfare. Assessing the behavioural response should help the farmers to take immediate step to identify and minimize the stressful conditions faced by their animals and should keep their animals in a comfort zone by employing better management strategies.
  G. Krishnan , T.A. Jayashri and K. Geetha Devi
  Thermal behaviour, X-ray diffraction and electronic spectra of nickel (II) complexes of diethylene triamine, pyridine and 2-amino pyridine were studied before and after gamma irradiation. Irradiation enhanced thermal decomposition of the complexes, lowering activation energy, frequency factor and entropy of activation. From X-ray diffraction studies, unirradiated and irradiated complexes are found to be orthorhombic. Irradiation changed the lattice parameters. The parameters Dq, B′ and β were calculated from the UV–visible spectra of the complexes. Irradiation decreased LFSE (10 Dq) and increased Racah parameter B′ and the covalency factor β of the complexes except in nickel (II) complex of diethylenetriamine where the effect of irradiation is insignificant.
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