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Kinematic analysis of penile reflexes in a rat model of spinal cord injury

Asian Journal of Andrology 2021年第1期23卷 30-35页

作者： Casey J steadman sai s vangoor Charles H Hubscher Department of Anatomical sciences and Neurobiology University of LouisvilleLouisvilleKY 40202USA Kentucky spinal Cord Injury Research Center LouisvilleKY 40202USA.

The ex-copula penile dorsiflexion reflex(PDFR)is an established measure of sexual dysfunction in male rat models of spinal cord *** the PDFR after complete spinal transection is well described,information regarding the more clinically relevant incomplete spinal contusion injury model is *** study examined,using two-dimensional(2D)kinematic analysis,the relationship between the PDFR and degree of white matter sparing(WMs).Male Wistar rats received a T9 contusion with varying degrees of impactor *** kinematic recordings of the PDFR were made 3-8 weeks *** reflex components examined included maximum angle of penile dorsiflexion,total penile event duration,and penile ascent *** hoc comparison between animals grouped based upon injury severity(moderate-severe:13.33%-17.15%WMs vs moderate:20.85%-33.50%WMs)ndicated PDFR ***,the numbers of animals with more moderate contusions having data points above the median n both maximum angle of penile dorsiflexion and penile ascent speed were significantly lower than animals with more severe *** penile event duration was also affected but only at more chronic time points(6-8 weeks).Thus,2D kinematic analysis of the PDFR allows for more consistent and quantifiable analysis of the subtle differences that can occur between injury severity groups in the rat contusion model.

关键词： erection penile sexual dysfunction spinal cord injury

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Effect of dietary incorporation of n-3 polyunsaturated fatty acids rich oil sources on fatty acid profile, keeping quality and sensory attributes of broiler chicken meat

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Animal Nutrition 2017年第4期3卷 386-391页

作者： sridhar Kalakuntla Nalini K.Nagireddy Arun K.Panda Narasimha Jatoth Raghunandan Thirunahari Ravinder R.vangoor College of Veterinary science PVNR Telangana Veterinary University ICAR-Directorate of Poultry Research

The present study was undertaken to investigate the effect of dietary replacement of commonly used vegetable oil(sunflower oil, sFO) with n-3 polyunsaturated fatty acids(PUFA) rich oil sources on broiler chicken performance, carcass yield, meat fatty acid composition, keeping quality and sensory attributes of meat. In the current experiment, 300 day-old Krishibro broiler chicks were randomly distributed to 5 dietary groups(50 replicates with 6 chicks in each) prepared by replacing sFO(2% and 3% of diet during starter and finisher periods, respectively) with n-3 PUFA rich soybean oil(sO), mustard oil(MO), linseed oil(LO) or fish oil(FO) on weight basis. Variation in oil sources had no influence(P > 0.05) on performance and carcass yield. supplementation of MO, LO or FO significantly(P sed the n-3 PUFA, lowered the n-6 PUFA deposition and n-6:n-3 ratio in breast and thigh without affecting the organoleptic characters(appearance, flavour, juiciness, tenderness and overall acceptability) of ***, thiobarbituric acid reacting substances concentration in meat was increased(P supplementation compared with sFO. It is concluded that, dietary incorporation of MO, LO or FO at 2% and 3% levels during starter and finisher phase can enrich broiler chicken meat with n-3 PUFA without affecting the bird's performance and sensory characters of meat.

关键词： Broiler chickens Fatty acid composition Keeping quality n-3 PUFA rich oils Performance sensory characters of meat

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