Grande Champagne Petite Champagne (3) Borderies (4) Fins Bois (5) Bons Bois and (6) Bois Ordinaires. Grande champagne is the first (and, according to many connoisseurs, the favored) cru. A blend of Grande and Petite Champagne Cognacs, with at least half the eaux-de-vie coming from Grande Champagne, is known as Fine Champagne. Grande Champagne Grande Champagne is a French district, called a "cru", known for its cognac. It produces the finest cognacs in a zone of 34703 hectares, of which 17% is dedicated to production of cognac. At its heart is the town of Segonzac, in the Département of Charente. Grande Champagne
Champagne gene was not until many years after the name "champagne" was ascribed to Champagne Lady Diane that the term appeared in scientific literature. It was first studied and described by Sponenberg and Bowling in 1996. They studied the ratio of champagne-to-non-champagne offspring of champagne horses, and designated the causal mutation as the dominant "Ch" allele on the hypothetical "Champagne" locus. The champagne locus is on exon 2 of the SLC36A1 gene, which is on chromosome 14 (ECA14); a single nucleotide polymorphism (SNP) exchanges a C for a G at base 76 (c.188C>G) resulting in a missense mutation. On a protein level,