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The genome sequence of the Garden Tiger, Arctia caja (Linnaeus, 1758) (Lepidoptera: Erebidae).

We present a genome assembly from a male specimen of Arctia caja (Garden Tiger; Arthropoda; Insecta; Lepidoptera; Erebidae). The assembly contains two haplotypes with total lengths of 700.59 megabases and 699.20 megabases. Most of haplotype 1 (99.63%) is scaffolded into 31 chromosomal pseudomolecules, including the Z sex chromosome. Haplotype 2 was assembled to scaffold level. The mitochondrial genome has also been assembled, with a length of 15.41 kilobases.

Arctia caja↗

Serum concentrations of lipids, vitamin d metabolites, retinol, retinyl esters, tocopherols and selected carotenoids in twelve captive wild felid species at four zoos.

Serum concentrations of several nutrients were measured in 12 captive wild felid species including caracal (Felis caracal), cheetah (Acinonyx jubatus), cougar (Felis concolor), fishing cat (Felis viverrinus), leopard (Panthera pardus), lion (Panthera leo), ocelot (Felis pardalis), pallas cat (Felis manul), sand cat (Felis margarita), serval (Felis serval), snow leopard (Panthera uncia) and tiger (Panthera tigris). Diet information was collected for these animals from each participating zoo (Brookfield Zoo, Fort Worth Zoo, Lincoln Park Zoological Gardens and North Carolina Zoological Park). The nutritional composition of the diets at each institution met the probable dietary requirements for each species except for the pallas cat. Blood samples were collected from each animal (n = 69) and analyzed for lipids (total cholesterol, triacylglycerides, HDL cholesterol and LDL cholesterol), vitamin D metabolites [25-hydroxycholecalciferol (25(OH)D) and 1,25-dihydroxycholecalciferol (1,25(OH)(2)D)], vitamin A (retinol, retinyl stearate and retinyl palmitate), vitamin E (alpha- and gamma-tocopherol) and selected carotenoids. Species differences were found for all except triacylglycerides and 1,25(OH)(2)D. Genus differences were found for retinol, retinyl palmitate, retinyl stearate, gamma-tocopherol and beta-carotene. Circulating nutrient concentrations for many of the species in this study have not been reported previously and most have not been compared with the animals' dietary intakes. The large number of animals analyzed provides a substantial base for comparing the serum nutrient concentrations of healthy animals, for both wild and captive exotic species.

Animal Nutritional Physiological Phenomena↗

Demonstration of Helicobacter pylori-like organisms in the gastric mucosa of captive exotic carnivores.

Samples of gastric tissue from the cardiac, fundic and pyloric region of 30 carnivores comprising 12 tigers (Panthera tigris), 10 lions (Panthera leo), three pumas (Felis concolor), two leopards (Panthera pardus), one serval (Felis serval), one wolf (Canis lupus) and one hyena (Crocuta crocuta) kept at German zoological gardens were subjected to histopathological and immunohistochemical examination. Selected tissue specimens of 12 animals were examined also by electron microscopy. The purpose of this study was to determine the prevalence of Helicobacter-like organisms in carnivores and to record infection rates, degree of colonization and associated histopathological changes. Three morphologically different types of spiral-shaped bacteria were demonstrated. A Helicobacter pylori-like organism (HPLO) was found in 42% of the tigers and 90% of the lions examined. Large Helicobacter-like organisms (HLOs) were identified in three pumas, one serval, one hyena and in three lions (in the latter, in coexistence with HPLOs). A third organism with a spiral periplasmic fibril (Helicobacter felis-like) was demonstrated in a wolf. The most striking histopathological finding associated with HPLO and HLO colonization was the formation of lymphoid follicles in the mucosa. Additional lymphoplasmacytic and neutrophilic infiltrates in the gastric mucosa were found in a number of tigers and lions infected with HPLOs, but none in the other carnivores infected with HLOs. From these results it is concluded that gastric bacteria similar or identical with H. pylori may also be an important cause of chronic gastritis in tigers and lions.

Animals↗

[Scabies among the Zoo mammals].

Scabies was observed in 9 species of mammals at the Zoological Garden of Lódź in years 1957-1989. Sarcoptes scabiei spp. was found in capybaras, tapirs and camelids. Notoedres cati was recorded from the siberian tiger, but Notoedres sp. from the Erinaceus europaeus. Scabies was also found in a wild dead Tapla europaea at the Zoo area.

Animals↗

[Bacterial infections in felines in zoological gardens].

The significance of selected bacterial infections of felines in zoological gardens is discussed. Anthrax and malleus are in Germany of historical interest only, tuberculosis went down very strongly. Isolated cases of pseudotuberculosis must be expected in future. Infections with bacteria of the genera Chlamydia, Pasteurella and of the family Enterobacteriaceae are also considered. The significance of Clostridium perfringens in the so called tiger disease is discussed.

Animals↗