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It was found that all intensity of LHRHa hormone level could enhance the fish to breed with the exception of the control group. Fertilization rate, hatching rate, latency period, fecundity, oocytes diameter and GSI were quantified in each set of experiment. It was observed that the fertilised eggs of A.

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The royal python Python regius is commonly bred in captivity. To have a successful breeding season, accurate monitoring of the reproductive activity is necessary. The use of non-invasive monitoring methods in exotics is important in order to minimize stress.

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Female Japanese macaques Macaca fuscatain certain captive and free-ranging populations, frequently engage in same-sex mounting. Traditionally, same-sex mounting interactions in animals have been characterized as "sociosexual," that is, sexual in terms of their superficial form, but enacted to facilitate adaptive social goals. Sexual motivation is rarely ascribed to sociosexual interactions because their adaptive functions are often seen as their primary purpose, thus diminishing, or even negating, any sexual component that such activity might have.

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When people find young raccoons, whether tiny eyes-closed infants or slightly older eyes-open but un-weaned babies, it is usually due to one of 6 scenarios:. Obviously the first scenario means the young are orphaned and in immediate, often desperate need. Eyes-closed infants will be dehydrated and starving, usually having waited for their mother for a day or more before wiggling out of the nest.

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Glasgow, Scotland, UK. Senegalese sole Solea senegalensis have a high potential for aquaculture that is hampered by reproductive behavioural problems. These problems result in limited breeder participation in spawning.

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In this paper I examine exploratory behavior and learning in two groups of common marmosets Callithrix jacchus jacchusboth living under laboratory conditions. The main aim of my studies was to compare behavior occurring in an experimental testing situation with home-cage behavior, and to assess conditions under which exploration is enhanced. One group of marmosets was tested individually in an experimental room away from a larger animal holding room, and a second group was observed in their own home cages, surrounded by other marmosets.

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Either your web browser doesn't support Javascript or it is currently turned off. In the latter case, please turn on Javascript support in your web browser and reload this page. Many captive chimpanzees Pan troglodytes show a variety of serious behavioural abnormalities, some of which have been considered as possible signs of compromised mental health.

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