Ensiling of maple leaves and its use in winter nutrition of mantled guereza (Colobus guereza).

Young leaves are favored by mantled guereza (Colobus guereza) and the gastrointestinal tract of this species is well adapted to such a high fiber diet. Fresh maple leaves are often used in the diets for guereza in captivity but their use in winter feeding time is limited. The aim of the study was to evaluate the effect of additives on chemical composition and fermentation parameters of maple leaf silage, as well as inclusion of maple leaf silage in the diet for mantled guereza on feed and nutrient intake.

Associations between Mammary Gland Echotexture and Milk Composition in Cows.

Thirty clinically healthy Holstein-Friesian cows underwent twice daily machine milking and ultrasonographic examinations of the udder just prior to and after milking. Digital ultrasonographic images of each udder quarter were subjected to computer-assisted echotextural analyses to obtain mean numerical pixel values (NPVs) and pixel heterogeneity (PSD) of the mammary gland parenchyma. The average milk yield and pH were higher ( < 0.