References
- AOAC. Official Methods of Analysis. 1984. 14th edn, Association of Official Analytical Chemists, Gaithersburg, MD
- Bauer , R and Wagner , H . 1991 . “ Echinacea species as potential immunostimulatory drugs ” . In Economic and Medicinal Plant Research , Edited by: Wagner , H and Farnsworth , NR . Vol. 5 , 253 – 321 . London : London Academic Press Limited .
- BLUMENTHAL, M. (2000) Herbal Medicine Expanded Commission E Monographs. American Botanical Council; Integrative Medicine Communications. Newton, MA, pp. 88–93
- Bone , K . 1997 . Echinacea: what makes it work . Alternative Medicine Review , 2 : 87 – 93 .
- Chaves , F , Chacon , M , Badilla , B and Arevalo , C . 2007 . Effect of Echinacea purpurea (Asteraceae) aqueous extract on antibody response to Bothrops asper venom and immune cell response . Revista de Biologia Tropical , 55 : 113 – 119 .
- Culling , CFA , Alliston , RT and Barr , WT . 1985 . “ Connective tissue ” . In Cellular Pathology Technique , Edited by: Culling , CFA and Barr , WT . 164 – 179 . London : Butterworths .
- EUROPEAN PHARMACOPOEIA (2008). 6th edn, Vol. 3, Council of Europe, Strasbourg, 2785–2789
- Iben , B . 2000 . Warum kranke individuen nicht wachsen . GroBtierpraxis , 1 : 36 – 40 .
- Iji , PA , Saki , A and Tivey , DR . 2001 . Body and intestinal growth of broiler chicks on a commercial starter diet. 1. Intestinal weight and mucosal development . British Poultry Science , 42 : 505 – 513 .
- Janssen , W.M.M.A. 1989 . European Table of Energy Values for Poultry Feedstuffs, , 3rd , The Netherlands : Beekbergen .
- Ma , A , Shi , W , Niu , X , Wang , M and Zhong , X . 2009 . Effects of Echinacea purpurea extract on the immunological response to infectious bursal disease vaccine in broilers . Frontiers of Agriculture in China , 3 : 452 – 456 .
- Maass , N , Bauer , J , Paulicks , BR , Bohmer , BM and Roth-Maier , DA . 2005 . Efficiency of Echinacea purpurea on performance and immune status in pigs . Journal of Animal Physiology and Animal Nutrition , 89 : 244 – 252 .
- Montagne , L , Pluske , JR and Hampson , DJ . 2003 . A review of interactions between dietary fibre and the intestinal mucosa, and their consequences on digestive health in young non-ruminant animals . Animal Feed Science Technology , 108 : 95 – 117 .
- Roth-Maier , DA , Bohmer , BM , Maass , N , Damme , K and Paulicks , BR . 2005 . Efficiency of Echinacea purpurea on performance of broiler and layers . Archive Geflügelk , 69 : 123 – 127 .
- Skaudickas , D , Kondrotas , A and Baltrušaitis , K . 2004 . The effect of Echinacea purpurea extract on sexual glands of male rats . Medicina (Kaunas) , 40 : 1211 – 1218 .
- SPSS 15.0. 2006. Command Syntax Reference, SPSS Inc., Chicago Ill
- Stabuc-Starevic , D and Kumer , T . 2003 . A comparative study on the effect of an Echinacea preparation on the health status of weaning pigs . Ganzheitliche Tiermedizin , 17 : 95 – 97 .
- THAYER, S.G. & BEARD, C.W. (1998) Serologic procedures, in: SWAYNE, D.E., GLISSON, J.R., JACKWOOD, M.J., PEARSON, J.E. & REED, W.M. (Eds) A Laboratory Manual for the Isolation and Identification of Avian Pathogens, 4th edn, American Association of Avian Pathologists, pp. 256–258 (Philadelphia, USA)
- Uni , Z and Ferket , RP . 2004 . Methods for early nutrition and their potential . World's Poultry Science , 60 : 101 – 111 .
- Uni , Z , Geyra , A , Ben-Hur , H and Sklan , D . 2000 . Small intestinal development in the young chick:crypt formation and enterocyte proliferation and migration . British Poultry Science , 41 : 544 – 551 .
- Wagner , H , Jurcic , K , Doenicke , A , Rosenhuber , E and Behrens , N . 1986 . Effect of homeopathic drugs on the phagocytic activity of human granulocytes. In vitro tests in a controlled single-blind study . Arzneimittel. Forschung-Drug Research , 36 : 1421 – 1425 .