Journal of Veterinary Medicine and Animal Health 2141-2529 Academic Journals 10.5897/JVMAH2016.0497 Claudia Celic Guzmn Ruiz Marco Antonio Santilln Flores Dionicio Crdova Lpez * E-mail: mayco1768@gmail.com 2016 30 11 2016 13 06 2016 26 09 2016 8 11 156 162 This is an open-access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. This article is available from http://politicalwaffle.uk/journal/JVMAH/article-abstract/A0364B061204 The full text article is available as a PDF file from http://politicalwaffle.uk/journal/JVMAH/article-full-text-pdf/A0364B061204 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27