ON TRAVAILLE POUR LE HAMSTER - LES P'TITS BONZOMS

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If breeding hamsters, separation of the pair after mating is recommended, or they will attack each other. This kind of thermoregulation diminishes the metabolic rate to about 5% and helps the animal to considerably reduce the need for food during the winter. The Roborovski hamster ( Phodopus roborovskii) is extremely small and fast, making it difficult to keep as a pet. Comparative studies of domestic and wild Syrian hamsters have shown reduced genetic variability in the domestic strain.

They are extremely susceptible to rapid temperature changes and drafts, as well as extreme heat or cold. In the wild, the burrow buffers extreme ambient temperatures, offers relatively stable climatic conditions, and protects against predators.Syrian hamsters are seasonal breeders and will produce several litters a year with several pups in each litter. The breeding season is from April to October in the Northern Hemisphere, with two to five litters of one to 13 young being born after a gestation period of 16 to 23 days.

One rodent characteristic that can be highly visible in hamsters is their sharp incisors; they have an upper pair and lower pair which grow continuously throughout life, so must be regularly worn down. Enjoy the largest amateur porn community on the net as well as full-length scenes from the top XXX studios. Their eyesight leads to them not having a good sense of distance or knowing where they are, but that does not stop them from climbing in (and sometimes out of) their cages or from being adventurous. Fritzsche indicated although some species have been observed to show more nocturnal activity than others, they are all primarily crepuscular.If housed together, acute and chronic stress might occur, [8] and they might fight fiercely, sometimes fatally. Wild hamsters will also appropriate tunnels made by other mammals; the Djungarian hamster, for instance, uses paths and burrows of the pika.

Gestation lasts 16 to 18 days for Syrian hamsters, 18 to 21 days for Russian hamsters, 21 to 23 days for Chinese hamsters and 23 to 30 for Roborovski hamsters. Females are in estrus about every four days, which is indicated by a reddening of genital areas, a musky smell, and a hissing, squeaking vocalisation she will emit if she believes a male is nearby.Female Chinese and Syrian hamsters are known for being aggressive toward males if kept together for too long after mating. All hamsters are excellent diggers, constructing burrows with one or more entrances, with galleries connected to chambers for nesting, food storage, and other activities. Both Syrian and Russian hamsters mature quickly and can begin reproducing at a young age (4–5 weeks), whereas Chinese hamsters will usually begin reproducing at two to three months of age, and Roborovskis at three to four months of age. conducted a molecular phylogenetic analysis of 12 of the above 17 species using DNA sequence from three genes: 12S rRNA, cytochrome b, and von Willebrand factor. Neumann, K; Michaux, J; Lebedev, V; Yigit, N; Colak, E; Ivanova, N; Poltoraus, A; Surov, A; Markov, G (2006).

They tend to learn similar noises and begin to know the sound of their food and even their owner's voice. The best-known species of hamster is the golden or Syrian hamster ( Mesocricetus auratus), which is the type most commonly kept as a pet.In the wild Syrian hamsters can hibernate and allow their body temperature to fall close to ambient temperature.