Elephant grass (Pennisetum purpureum) . A new forage in Egypt. IV. Effect of replacing concentrates by elephant grass on milk yield and its costs

Makky, A.A.; Abdel Malik, W.H.; El Shabokshy, A.; Abdel Malik, A.A.; Shehata, O.; Soliman, A.S.

Agricultural Research Review 55(6): 91-96


Accession: 000650540

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In a switchback trial with three 18-day periods 4 groups of 3 Friesian cows were given daily (DM)/cow: elephant grass 0, 6.35, 9.75 and 12.00 kg and concentrate 6.12, 4.31, 2.19 and 1.02 kg; in the 1st treatment wheat straw 6 kg/day was also offered. The allowance of elephant grass was calculated to provide 0, 50, 75 and 90% of energy requirements for the 4 treatments resp. Cows given the ration without elephant grass gave less milk, av. 7.4 kg/day, than cows given elephant grass, 8.2-8.4 kg resp., but they gained body wt. whereas cows given elephant grass lost body wt. Milk from cows not given elephant grass contained more fat but less SNF than those given elephant grass but differences were not significant. Replacing concentrates by elephant grass reduced feed cost/kg 4% FCM by 35.6-47.9%.