Titlebook: Environmental Endocrinology; Proceedings of an In Ivan Assenmacher (Professor of Physiology),Donald Conference proceedings 1978 Springer-V

Trabeculoplasty

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https://doi.org/10.1007/978-3-662-24846-1The domestic pig is known to be reproductive all around the year. There is, however, a trend toward a seasonal activity, or more exactly, a seasonal decrease in reproductive efficiency (CORTEEL et al., 1964; STORK, 19 77). An excessive inefficiency occurs in animals served during the summer months.

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Carl Noorden (Geheimer Medizinalrat) and . are nocturnal burrowing rodents. The former is typically xerophilic; the latter is more hygrophilic. The populations studied were found to occur sympatrically in a dry wadis south of Foum Tatahouine at approximately the 120–150 mm H.O per year isohyet (LE HOUEROU, 1969).

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The Annual Cycle of Plasma Testosterone and Territorial Behavior in the Roe DeerThe annual cycle of plasma testosterone in the European Roe Deer (. L.) exhibits pronounced seasonal variations. There appears to be a clear relationship between the plasma testosterone levels and the annual cycle in day length and ambient temperature (Fig. 1).

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Seasonal Reproductive Activity of the European Wild Boar. Comparison with the Domestic SowThe domestic pig is known to be reproductive all around the year. There is, however, a trend toward a seasonal activity, or more exactly, a seasonal decrease in reproductive efficiency (CORTEEL et al., 1964; STORK, 19 77). An excessive inefficiency occurs in animals served during the summer months.

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https://doi.org/10.1007/978-3-662-29638-7 Internal relationships lead to stability, external relationships to adaptability with regard to the environment. This had already been conceptualized in 1900 by the French physiologist RICHET, but the contradiction emerges clearest in comparing respective statements of the physiologist and the ecol