Milk is a mixture of fat, protein, carbohydrate and water. When raw milk sits, the fat separates from the rest of the liquid, rises to the top and forms a layer of cream. The purpose of homogenization is to keep the fat molecules dispersed throughout the milk, so separation does not occur and the milk remains uniform.
In the literature, reported cases of Zone II rupture include the one as described by Naohito et al. [4], of a man falling down stairs resulting in rupture of FDS and FDP. Other cases include one case in the series presented by Naam et al. [2], and 2 cases in the series presented by Imbriglia et al.
ZONE 30. Hill Country of Central Texas. Growing season: mid-Mar. through Nov. Zone 30 has higher annual rainfall than Zone 29 (to 35) and lower winter temperatures, normally to around 20 degrees F/-7 degrees C. Seasonal variations favor many fruit crops, perennials.