Studies of Milk Properties of Dairy Cattle Fed Different Levels of Different Protein Sources

In Egypt’ The main problem factng animal production development ls the shortage of avaiable feedstuffs The shortage of green forages during summer altogether with the Limited quantities of concentrates are the reasons of such Phenomenonthe present study was carried out to define. the suitable level of concentrates given to dairy cows when fed on liberal amounts of napier grass ad libitum economical value was also calculated. Digestibility trials With steers also were carried. out milk fat composition in butter samples provided- from groups of Qows was also determined