A study on status of feed of dairy cattle in rurals area township Lenjan with standard condition.

In this study, 400 heads of dairy cattle (60 farms) were selected based on randomized stratified sampling method and divided to 3 classes of 1-5, 6-10 and more than 10 heads. Information for status of feed and milk yield production of the farms collected directly by completing questionnaires and monthly recording. Results showed that providing dry matter (DM),natural detergent fiber (NDF), acid detergent fiber (ADF) and net energy lactation (NEL) was more than requirement of dairy cattle (P≤ 0.01). By mean, DM, NDF, ADF and NEL were 1.46, 2.94, 1.52 kg. and 4.08 Mcal per day/ head, respectively. Defficiency of metabolizable protein (MP) for class one was equal 100.5 (g.) and excess of the protein was equal 87.53(g.) per head for class two. Mineral supply for calcium, phosphorus,magnesium, potassium,chlorine and sulfur were more than requirement of dairy cattles (P≤ 0.01).However, dairy cattle only received sodium at required level. Consequently dairy cow, confronted with deficiency in the protein and excessive energy,fiber and mineral in their diets (P≤ 0.01).