| 1 | NRC, 2007: Nutrient Requirements of Small Ruminants: Sheep, Goats, Cervids and New World Camelids, National Academy Press, Washington, DC, 2007. |
| 2 | Devendra, C., McLeroy, G.B. 1982. Goat and Sheep Production in the Tropics. ISBN 0582609356. |
| 3 | Increasing Small Ruminant Productivity in Semi-arid Areas. 1988. Kluver Academic Publishers. 1988 ICARDA, ISBN: 0898383862 |
| 4 | Nutritional ecology of the ruminant. Van Soest. Second ed. 1983.O&B Books, Inc. ISBN 0-9601586-0-X |
| 5 | IAEA 2006. Improving Animal Productivity by Supplementary Feeding of Multi nutrient Blocks, Controlling Internal Parasites and Enhancing Utilization of Alternate Feed Resources. IAEA-TECDOC-1495: |