This article was downloaded by: [Gazi University] On: 31 December 2014, At: 06:19 Publisher: Taylor & Francis Informa Ltd Registered in England and Wales Registered Number: 1072954 Registered office: Mortimer House, 37-41 Mortimer Street, London W1T 3JH, UK
New Zealand Veterinary Journal Publication details, including instructions for authors and subscription information: http://www.tandfonline.com/loi/tnzv20
Bovine photosensitization in New Zealand a
B.L. Smith & P.J. O'Hara
b
a
Ruakura Animal Research Station, Research Division , Ministry of Agriculture and Fisheries , Private Bag, Hamilton b
Animal Health Reference Laboratory , Wallaceville Animal Research Centre , Private Bag, Upper Hutt Published online: 23 Feb 2011.
To cite this article: B.L. Smith & P.J. O'Hara (1978) Bovine photosensitization in New Zealand, New Zealand Veterinary Journal, 26:1-2, 2-5, DOI: 10.1080/00480169.1978.34474 To link to this article: http://dx.doi.org/10.1080/00480169.1978.34474
PLEASE SCROLL DOWN FOR ARTICLE Taylor & Francis makes every effort to ensure the accuracy of all the information (the “Content”) contained in the publications on our platform. However, Taylor & Francis, our agents, and our licensors make no representations or warranties whatsoever as to the accuracy, completeness, or suitability for any purpose of the Content. Any opinions and views expressed in this publication are the opinions and views of the authors, and are not the views of or endorsed by Taylor & Francis. The accuracy of the Content should not be relied upon and should be independently verified with primary sources of information. Taylor and Francis shall not be liable for any losses, actions, claims, proceedings, demands, costs, expenses, damages, and other liabilities whatsoever or howsoever caused arising directly or indirectly in connection with, in relation to or arising out of the use of the Content. This article may be used for research, teaching, and private study purposes. Any substantial or systematic reproduction, redistribution, reselling, loan, sub-licensing, systematic supply, or distribution in any form to anyone is expressly forbidden. Terms & Conditions of access and use can be found at http:// www.tandfonline.com/page/terms-and-conditions
2
NEW ZEALAND VETERINARY JOURNAL
REVIEW ARnCLE
VOL. 26
Bovine photosensitization in New Zealand B. L. Smith· and P. J. O'Hara©
N.Z. Vet. J. 26: 2-S
Downloaded by [Gazi University] at 06:19 31 December 2014
INTRODUCTION
Photosensititation in New Zealand cattle is of considerable economic litlpqrtance.largely because of the incidence of facial eczema. A detailed consideration of facial eczema is outside the scope of this·review but several general articles and reviews of aspects offacial eczema are available/5) (7) (I41(2!1(261(27) (lI)(29)(lO)(l4)(3~) (371. More general or detailed accounts of photosensitivity di seases and mechanisims are also available'6)(1I)()21(13~ Known causes of photosensitization in New Zealand cattle other than facial eczema are few and of minor importance. However, each year a considerable number of cases of photo sensitization of unknown cause occur, especiaUy in the spring season. The purpose of this review is to describe the general photosensitization phenomenon and its mechanism, to discuss known causes of bovine photosensitization in New Zealand, to list other possible causes and to provide a guide to the inves tigation of bovine photosensitization under New Zealand con
New Zealand Veterinary Journal Publication details, including instructions for authors and subscription information: http://www.tandfonline.com/loi/tnzv20
Bovine photosensitization in New Zealand a
B.L. Smith & P.J. O'Hara
b
a
Ruakura Animal Research Station, Research Division , Ministry of Agriculture and Fisheries , Private Bag, Hamilton b
Animal Health Reference Laboratory , Wallaceville Animal Research Centre , Private Bag, Upper Hutt Published online: 23 Feb 2011.
To cite this article: B.L. Smith & P.J. O'Hara (1978) Bovine photosensitization in New Zealand, New Zealand Veterinary Journal, 26:1-2, 2-5, DOI: 10.1080/00480169.1978.34474 To link to this article: http://dx.doi.org/10.1080/00480169.1978.34474
PLEASE SCROLL DOWN FOR ARTICLE Taylor & Francis makes every effort to ensure the accuracy of all the information (the “Content”) contained in the publications on our platform. However, Taylor & Francis, our agents, and our licensors make no representations or warranties whatsoever as to the accuracy, completeness, or suitability for any purpose of the Content. Any opinions and views expressed in this publication are the opinions and views of the authors, and are not the views of or endorsed by Taylor & Francis. The accuracy of the Content should not be relied upon and should be independently verified with primary sources of information. Taylor and Francis shall not be liable for any losses, actions, claims, proceedings, demands, costs, expenses, damages, and other liabilities whatsoever or howsoever caused arising directly or indirectly in connection with, in relation to or arising out of the use of the Content. This article may be used for research, teaching, and private study purposes. Any substantial or systematic reproduction, redistribution, reselling, loan, sub-licensing, systematic supply, or distribution in any form to anyone is expressly forbidden. Terms & Conditions of access and use can be found at http:// www.tandfonline.com/page/terms-and-conditions
2
NEW ZEALAND VETERINARY JOURNAL
REVIEW ARnCLE
VOL. 26
Bovine photosensitization in New Zealand B. L. Smith· and P. J. O'Hara©
N.Z. Vet. J. 26: 2-S
Downloaded by [Gazi University] at 06:19 31 December 2014
INTRODUCTION
Photosensititation in New Zealand cattle is of considerable economic litlpqrtance.largely because of the incidence of facial eczema. A detailed consideration of facial eczema is outside the scope of this·review but several general articles and reviews of aspects offacial eczema are available/5) (7) (I41(2!1(261(27) (lI)(29)(lO)(l4)(3~) (371. More general or detailed accounts of photosensitivity di seases and mechanisims are also available'6)(1I)()21(13~ Known causes of photosensitization in New Zealand cattle other than facial eczema are few and of minor importance. However, each year a considerable number of cases of photo sensitization of unknown cause occur, especiaUy in the spring season. The purpose of this review is to describe the general photosensitization phenomenon and its mechanism, to discuss known causes of bovine photosensitization in New Zealand, to list other possible causes and to provide a guide to the inves tigation of bovine photosensitization under New Zealand con
