Chú thích Cừu_nhà

  1. ↑ 10th edition of Systema Naturae
  2. 1 2 3 Pugh, pp. 19.
  3. 1 2 Simmons & Ekarius, p. 146.
  4. ↑ Van Soest, P. J. 1994. Nutritional ecology of the ruminant. 2nd ed. Cornell Univ. Press. 476 pp.
  5. ↑ Wright, A.-D. G. et al. 2004. Molecular diversity of rumen methanogens from sheep in Western Australia. Appl. Environ. Microbiol. 70: 1263-1270
  6. ↑ Smith et al., p. 56.
  7. 1 2 3 4 Smith et al.
  8. ↑ Kimberling, C. V. 1988. Jensen and Swift's diseases of sheep. 3rd ed. Lea & Fibiger, Philadelphia. 394 pp.
  9. ↑ Simmons & Ekarius, p. 171.
  10. ↑ Simmons & Ekarius, p. 82.
  11. ↑ Simmons & Ekarius, p. 160.
  12. ↑ Brown, Dave; Sam Meadowcroft (1996). The Modern Shepherd. Wharfedale Road, Ipswich 1P1 4LG, United Kingdom: Farming Press. ISBN 0-85236-188-2. 
  13. ↑ Simmons & Ekarius, p. 143.
  14. ↑ “Sheep grazing reduces pesticide use in alfalfa”. ucanr.org. University of California Agriculture and Natural Resources. 
  15. 1 2 Wooster
  16. 1 2 Wooster, p. 64.
  17. 1 2 3 4 Weaver
  18. ↑ Simmons & Ekarius
  19. ↑ Smith et al., p. 101.
  20. ↑ Wallace, J. M. 2000. Nutrient partitioning during pregnancy: adverse gestational outcome in overnourished adolescent dams. Proc. Nutr. Soc. 59: 107-117.
  21. ↑ Redmer, D. A., J. M. Wallace and L. P. Reynolds. 2004. Effect of nutrient intake during pregnancy on fetal and placental growth and vascular development. Domestic Anim. Endocrinol. 27: 199-217.
  22. ↑ Simmons & Ekarius, p. 159.