Bidyut C. Deka

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The present study was aimed to reveal the effect on keeping quality of boar semen on holding or not holding at an elevated temperature than that used for preservation when combined with washing or not washing of seminal plasma. Twenty ejaculates, four from each of five Hampshire boars were used to hold for 0 and 4h in GEPS extender at 22°C and subsequently(More)
The objective of this study was to collect semen from semiwild Mithun (Bos frontalis) bulls using an artificial vagina (AV) and to determine semen characteristics. Collection of semen with an AV was attempted in five Mithun bulls using both anestrous and estrous Mithun females. No Mithun bull mounted an anestrous female Mithun during 60 trials, but(More)
The present study was conducted to evaluate the in vivo fertility of frozen thawed boar semen. Twenty ejaculates collected from six mature boars were frozen in a programmable freezer. After freezing the semen was evaluated for different sperm quality parameters. Twenty five sows were inseminated artificially utilizing frozen thawed semen. The percentage of(More)
The objective of the present study was to evaluate the effectiveness of conventional, and controlled freezing method adopting three freezing rates 20°C, 40°C and 60°C/min for cryopreservation of boar semen. Sixty sperm-rich fractions of ejaculates from six boars were utilized for freezing of semen with different freezing methods in lactose-egg yolk glycerol(More)
Prunus nepalensis is grown as a fruit crop in Northeast India. Severe leaf blight was observed on almost 40% of seedlings grown in a polyhouse in Meghalaya, India. Light and scanning electron microscopy revealed the presence of Cladosporium oxysporum, which was confirmed by a pathogenicity test. To our knowledge this is the first report of leaf blight on P.(More)
The effect of concentration and addition method of glycerol on the quality of cryopreserved mithun (Bos frontalis) spermatozoa was investigated. Semen samples were collected from five healthy mithun bulls through rectal massage method and cryopreserved in liquid nitrogen. The samples were diluted in Tris-egg yolk-glycerol extender, equilibrated for 4 h at 4(More)
Twenty ejaculates, 4 from each of 5 native goats, were collected using an artificial vagina, and the effects of glycerol level (4, 6.4 and 9 %) and the equilibration period (1, 3 and 5 h) were studied by split-sample technique. The extender used was Tris egg yolk citric acid fructose glycerol extender. The semen was frozen in 0.5-ml French straws by(More)
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