Academic literature on the topic 'Viper body weight'

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Journal articles on the topic "Viper body weight"

1

Saeedeh, Fani, Hussein Vaezi Qulam, and Todehdehghan Fatemeh. "Serum Level of Thyroid Stimulating Hormone, Triiodothyronine, Thyroxin and Weight Rate in Caucasian Pit Viper (Viperidae: Gloydius Halys Caucasicus) of Iran during Different Seasons." Annual Research & Review in Biology 14, no. 1 (2017): 1–9. https://doi.org/10.9734/ARRB/2017/33828.

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In this research, concentration of thyroid-stimulating hormone (TSH), triiodothyronine (T3), thyroxin (T4) and their relationship with body weight in Caucasian viper have been studied. The female Caucasian pitviper (n=26) were collected from Lar in Tehran province, the animal's body weight and length, and serum TSH, T3 and T4 levels were measured by electrochemiluminescence method during autumn, winter and summer in year 2014. The results showed T3 hormone concentration in autumn was 0.74± 0.06 nmol/Lt that was higher than its level in winter, 0.46± 0.8 nmol/Lt (P≥0.05) and no significant diff
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2

Mudrak, O., O. Maievskyi, A. Parfenyuk, Ye Tkach, and O. Tertychna. "Environmental and biological significance of the action of viper poison on the homeostasis of mammals." Agroecological journal, no. 1 (May 17, 2023): 76–83. http://dx.doi.org/10.33730/2077-4893.1.2023.276730.

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The article examines the ecological and biological significance of the action of animal poisons as an evolutionary adaptation that maximizes the adaptation of more than 250,000 species to the conditions of their habitat. It was found that animal poisons have a significant impact on the formation and course of various forms of connections in ecosystems, perform several ecological functions and are important biotic factors of the environment. The best-studied venomous animals have been found to be snakes, of over 3,800 different species, only a small number are highly venomous. The Viperidae fam
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3

Todehdehghan, Fatemeh, Arefeh Salehi, and Delaram EslimiEsfahani. "Testosterone Level, Testicular Histology and Reproductive Events Of Caucasian Pit Viper, Gloydius Halys Caucasicus (Serpentes: Viperidae)." JOURNAL OF ADVANCES IN BIOLOGY 11, no. 1 (2018): 2155–62. http://dx.doi.org/10.24297/jab.v11i1.6755.

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The steroid hormones regulate the reproductive physiology of animals and may influence by habitat and seasonal conditions. In this study, body weight and length, testosterone concentration and testicular histology were measured in Caucasian pit viper from Lar region, Tehran province, during summer and autumn seasons in year 2014. Serum samples were collected from 24 anesthetized snakes and testicles were removed and fixed for histological study. Enzyme immunoassay (ELISA) was conducted on serum samples to determine concentrations of testosterone (T) and standard histological procedure was perf
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4

Ismailova, Z. S., and L. F. Mazanaeva. "On the reproductive biology of the transcaucasian gyurza, <i>Macrovipera lebetina obtusa</i> (Dwigubsky, 1832) (Serpentes, Reptilia), in the NortheastERN Caucasus (Dagestan, Russia)." Zoologičeskij žurnal 103, no. 11 (2024): 92–96. https://doi.org/10.31857/s0044513424110068.

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Data on the reproduction of the Transcaucasian viper in Dagestan are presented. The studies were carried out in natural conditions and in captivity. To characterize clutches in nature, five females were captured after the mating period and then kept in a terrarium. The body length of females varied from 865 to 1040 mm. The number of eggs in clutches ranged from 12 to 24. The width of eggs in clutches averaged 36.8 ± 1.35, the diameter, 25.8 ± 0.21 mm, and the weight, 14.9 ± 0.13 g. Incubation in the laboratory conditions lasted 40–45 days. The body length with the tail of the hatched juveniles
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5

Xiong, Mingfu, Zhiyu Gao, Ruimin Hu, et al. "A Lightweight Efficient Person Re-Identification Method Based on Multi-Attribute Feature Generation." Applied Sciences 12, no. 10 (2022): 4921. http://dx.doi.org/10.3390/app12104921.

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Person re-identification (re-ID) technology has attracted extensive interests in critical applications of daily lives, such as autonomous surveillance systems and intelligent control. However, light-weight and efficient person re-ID solutions are rare because the limited computing resources cannot guarantee accuracy and efficiency in detecting person features, which inevitably results in performance bottleneck in real-time applications. Aiming at this research challenge, this study developed a lightweight framework for generation of the person multi-attribute feature. The framework mainly cons
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6

Dempfle, Carl-Erik, Sotiria Argiriou, Klaus Kucher, H. Müller-Peltzer, Klaus Rübsamen, and Dieter L. Heene. "Analysis of fibrin formation and proteolysis during intravenous administration of ancrod." Blood 96, no. 8 (2000): 2793–802. http://dx.doi.org/10.1182/blood.v96.8.2793.

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Abstract Ancrod is a purified fraction of venom from the Malayan pit viper, Calloselasma rhodostoma, currently under investigation for treatment of acute ischemic stroke. Treatment with ancrod leads to fibrinogen depletion. The present study investigated the mechanisms leading to the reduction of plasma fibrinogen concentration. Twelve healthy volunteers received an intravenous infusion of 0.17 U/kg body weight of ancrod for 6 hours. Blood samples were drawn and analyzed before and at various time points until 72 hours after start of infusion. Ancrod releases fibrinopeptide A from fibrinogen,
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7

Dempfle, Carl-Erik, Sotiria Argiriou, Klaus Kucher, H. Müller-Peltzer, Klaus Rübsamen, and Dieter L. Heene. "Analysis of fibrin formation and proteolysis during intravenous administration of ancrod." Blood 96, no. 8 (2000): 2793–802. http://dx.doi.org/10.1182/blood.v96.8.2793.h8002793_2793_2802.

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Ancrod is a purified fraction of venom from the Malayan pit viper, Calloselasma rhodostoma, currently under investigation for treatment of acute ischemic stroke. Treatment with ancrod leads to fibrinogen depletion. The present study investigated the mechanisms leading to the reduction of plasma fibrinogen concentration. Twelve healthy volunteers received an intravenous infusion of 0.17 U/kg body weight of ancrod for 6 hours. Blood samples were drawn and analyzed before and at various time points until 72 hours after start of infusion. Ancrod releases fibrinopeptide A from fibrinogen, leading t
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8

Badalyan, A. V., V. A. Shchetkin, Yu S. Goldfarb, et al. "THE APPLICATION OF WAVE BIOMECHANICAL THERAPY FOR THE COMBINED TREATMENT OF THE PATIENTS SUFFERING A SNAKE (VIPER) BITE DURING THE REHABILITATION PERIOD." Russian Journal of Physiotherapy, Balneology and Rehabilitation 16, no. 2 (2017): 94–101. http://dx.doi.org/10.18821/1681-3456-2017-16-2-94-101.

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We have undertaken the comparison of the results of the treatment and the changes in the laboratory characteristics of 25 patients that suffered a viper bite and were given the combined treatment either with the application of wave biomechanical therapy (WBMT) (10 patients comprising the study group), and without it (15 patients making up the control group). During the rehabilitation period, all the patients exhibited the common symptoms of intoxication including fever, shortness of breath, dizziness, nausea, dilated pupils, and rapid heartbeat as well as the local changes (burning sensation,
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9

Shalniev, Oleksii, Volodymyr Shilan, and Cyril Shilan. "Death from poisoning of snake venom, as a result of a viper’s bite." Forensic-medical examination, no. 2 (December 30, 2016): 85–87. http://dx.doi.org/10.24061/2707-8728.2.2016.20.

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Aspect of poisoning after a black adder’s bite can be very various (from the absence of clinical picture of poisoning to the mortal case) and unforeseeable in its progress. Poison of black adder is more toxic in comparison with Orsini’s viper, the death after a black adder’s bite comes approximately in 1% cases. Unpredictability of consequences of such bite depends on such objective factors as: weight of the injured person’s body (the reaction is more severe for children); state of health (presence of co¬existing diseases); places of bite (the most dangerous bites are considered in head or nec
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10

Cox, Merel J., David Chiszar, and Hobart M. Smith. "Mandibular Protractions and Their Correlation with Meal Size in Juvenile Thai Snakes During Ingestion of Rodent Prey." Russian Journal of Herpetology 4, no. 1 (2011): 31–33. http://dx.doi.org/10.30906/1026-2296-1997-4-1-31-33.

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Nine neonatal and juvenile snakes, four vipers and five nonvipers, were fed rodent meals varying in size, expressed as percent of snake body weight. The number of mandibular protractions and the time to complete swallowing were recorded, with both measures increasing linearly as a function of meal size. These young snakes routinely swallowed meals that were 50% of body weight, and ranged up to 80%, far higher than meals reported by previous workers studying adult vipers (36.4%) and nonvipers (18.4%). Furthermore, the slopes of regressions relating mandibular protractions to meal size in all of
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