Search Results - "Rajchard, J."

Ultraviolet (UV) light perception by birds: a review by Rajchard, J.

“…The ability to perceive the near ultraviolet part of the light spectrum (the wavelength 320–400 nm) has been detected in many bird species. This ability is an…”
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Chemical communication in the honeybee (Apis mellifera L.): a review by Trhlin, M.,Jihoceska Univ., Ceske Budejovice (Czech Republic). Zemedelska Fakulta, Rajchard, J.,Jihoceska Univ., Ceske Budejovice (Czech Republic). Zemedelska Fakulta

“…An important area of physiology of the honeybee is chemical communication between individuals and castes in the swarm, which maintains its integrity and…”
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Biologically active substances of bird skin: a review by Rajchard, J.

“…Bird skin has a number of specific properties. The uropygial gland is a significant skin gland in many species. The secretion of this gland is particularly…”
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Kairomones - important substances in interspecific communication in vertebrates: a review by Rajchard, J., University of South Bohemia, Ceske Budejovice (Czech Republic). Faculty of Agriculture

“…Interspecies chemical communication is widespread among many groups of organisms, including vertebrates. Kairomones belong to a group of intensively researched…”
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Primary screening of potentially bio-active substances in the lyophilisate of Pectinatella magnifica biomass by Balounova, Z., Brezina, V., Susterova, K., Rajchard, J.

“…The purpose of this research was to examine potential bio-active substances in the lyophilisate of Pectinatella magnifica biomass and its focus was on primary…”
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Biologically active substances from water invertebrates: a review by Sinko, J., Rajchard, J., Balounova, Z., Fikotova, L.

“…Some species of invertebrates especially bryozoans (Bryozoa syn. Ectoprocta) and marine sponges (Porifera) are very important sources of pharmacologically…”
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Antipredator pheromones in amphibians: a review by Rajchard, J.

“…Specific chemosignals (pheromones) have an important role in the antipredator behaviour in amphibians and other vertebrates. However, relatively little is…”
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Intraspecific and interspecific chemosignals in birds: a review by Rajchard, J.

“…This review of chemosignals in birds considers intraspecific oriented chemosignals such as pheromones, interspecific chemosignals, and chemical interactions…”
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Exogenous chemical substances in bird perception: a review by Rajchard, J.

“…The perception of exogenous chemical substances, olfactory navigation and the use of the olfactory sense by birds to search for food are reviewed. Many results…”
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Sex pheromones in amphibians: a review by Rajchard, J.

“…Amphibians are interesting animals, very often kept by aquarists and vivarists. Their ability of intraspecific chemical signalization belongs to very…”
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Nest and nest site characteristics of the Great Crested Grebe (Podiceps cristatus) on intensively managed fishponds: an example from Bohemia by Rajchard, J, Navrátil, J, Balounová, Z, Alt, M, Širlová, L, Hýlová, A, Školníková, H

“…Selected data of nest biology of the Great Crested Grebe (Podiceps cristatus) (Aves Podicipediformes) in specific fishpond conditions in the Protected…”
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Defective wing development in black-headed gull (Larus ridibundus) - case report by Rajchard, J., Rajchard, V.

“…In 2000-2001 juvenile individuals of black-headed gull (Larus ridibundus) were repeatedly found in a Nadeje fishpond system in the Trebon Basin Area that were…”
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Papilloma squamocellulare in chaffinch (Fringilla coelebs) by Rajchard, J, Rachac, V. (Jihoceska Univ., Ceske Budejovice (Czech Republic). Zemedelska Fakulta)

“…In October 2000 a chaffinch female with expressive pathological changes in the right foot was catched near Zliv in Ceske Budejovice area (Czech Republic). The…”
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Find of bird-pox (variola avium) in blackcap (Sylvia atricapilla) by Rajchard, J., Rachač, V.

“…In August 1999 there were netted and ringed passerines in the Naděje fishpond system in Třeboň area. 14 individuals of blackcap (Sylvia atricapilla) of both…”
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The batrachotoxins with a protective function in birds by Rajchard, Josef

“…Toxicity in vertebrates has usually been associated with venomous snakes, some fish species and also the so-called arrowy frogs. Arrowy frogs are Central- and…”
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