Über Himmel und Erde

Über Himmel und Erde

4.11 - 1251 ratings - Source

Copyright Deutsche Morgenl'andische Gesellschaft 2006.The prerequisite to the whole development was the mastering of artificial incubation to ensure limitless availability of ... process required a stable source of constant temperature (achieved with the a#39;electric forced draught egg incubatora#39; in ... finally in the 1960s by the genetically controlled breeding of chicken like the White Leghorn which lay up to 300 eggs ... Within the same time the a#39;conversion ratioa#39; of lbs. feed into lbs. broiler optimized from 4.4 into 1.9 (William Boyd: aquot; Making Meat.

Title:Über Himmel und Erde
Author:Erling von Mende
Publisher:Otto Harrassowitz Verlag - 2006


You Must CONTINUE and create a free account to access unlimited downloads & streaming