Sika deer sika deer. All "Cervus" species can crossbreed and produce hybrids in areas where they coexist (for example, introduced sika hybridize with native red deer in the Scottish Highlands, where this is a serious threat to the gene pool of the red deer population). Serious genetic pollution has occurred in many populations, especially in China. Therefore, the status of many subspecies remains unclear. The status of "C. n. hortulorum" is particularly uncertain and might in fact be of mixed origin, hence it is not listed here. The sika deer is one of the few deer species that does not lose its
Sika AG (2016). Besides the brand Sika, more than 600 product brands are in use including Sikaflex, SikaTack, Sika ViscoCrete, SikaBond, Sikafloor, Sika CarboDur Sikagard, Sika MaxTack, Sikaplan, Sikament, Sikadur, SikaLastic, SikaRoof MTC, Sika Unitherm and Sika Sarnafil. Sika AG is the legal entity for the holding company, which includes the Sika organisations worldwide, Sika Technology AG (Research and Development) and Sika Services AG (Corporate functions supporting all organizations worldwide). Sika AG Sika AG is a specialty chemical company for building and motor vehicle supplies, headquartered in Baar, Switzerland. It has a leading market position in both the building sector and the