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Articles by Jag Mohan Kataria
Total Records ( 2 ) for Jag Mohan Kataria
  Jag Mohan , Sanjeev Kumar Sharma , Gautham Kolluri , Jagbir Singh Tyagi and Jag Mohan Kataria
  This study was conducted to identify the suitable diluent for short-term preservation (0, 24 and 48 h) of Guinea fowl (pearl variety) semen. Semen samples were collected and diluted with normal saline, CARI, BPSE and Lake’s semen diluents and kept at 6°C for storage. No significant difference was found in sperm motility among the different diluents at 0 h (freshly ejaculated) storage period. A significant (p<0.05) reduction was found in sperm motility among all the diluents at 24 h storage period. Subsequently, there was no sperm motility was recorded in normal saline diluted semen samples at 48 h storage period. While a reduction (p<0.05) in sperm motility was recorded in rest of the three semen diluents. The mean values for fertility with freshly ejaculated semen during 2-12 days of fertile period were recorded as 66.27±4.08, 78.90±3.08, 64.90±4.87 and 67.99±6.36% whereas, after 24 h storage of semen, fertility reduced drastically such as: 0, 41.97±7.27, 36.09±8.72 and 30.90±7.12% in normal saline, CARI, BPSE and Lake’s semen diluent, respectively. No fertility was noticed at 48 h storage in any semen diluent. Irrespective of the storage period and diluents, CARI semen diluent expressed better fertility than others in Guinea fowl.
  Narayan Mohapatra , Jag Mohan Kataria , Sandip Chakraborty and Kuldeep Dhama
  Egg Drop Syndrome-76 (EDS-76) is a recognized disease of chickens and Japanese Quails, which is of high economic importance due to its drastic negative effects on egg production in laying birds. The aim of the present study was to better understand the EDS-76 viral disease process in Japanese quails (Coturnix coturnix japonica), since very limited studies have been conducted in this species of birds. For this purpose, an experimental study was conducted with infection of EDS-76 virus in laying Japanese quails to reveal pathology, effect on egg production/quality and immune responses of this virus in these birds. By 7, 9 and 13-15 Days Post Infection (DPI), drop as well as aberrant egg production and lower mean egg quality were observed compared to control birds. Significant histopathological changes were observed in genitalia and spleen. Haemagglutination Inhibition (HI) and Enzyme Linked Immunosorbant Assay (ELISA) titres rose rapidly by 2nd week when it became maximum; thereafter declined and maintained at low levels up to 10 week post infection. The mean total protein values in infected quail gradually increased to 4.10±0.05/100 mL without any change in mean albumen value at 12 DPI. In conclusion, the course of the EDS-76 is significant not only in chickens but also in quails even though it occurs occasionally in quails. Explorative pathological, blood biochemical and immunological studies are suggested during EDS-76 viral disease course in quails. This would aid in formulating effective disease prevention and control measures for this economically important disease of poultry.
 
 
 
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