1. Lacasta D, Ferrer L, Ramos J, González J, De las Heras M. Influence of climatic factors on the development of pneumonia in lambs. Small Ruminant Research. 2008;80(1-3):28-32.
2. Besser TE, Cassirer EF, Highland MA, Wolff P, Justice-Allen A, Mansfield K, et al. Bighorn sheep pneumonia: Sorting out the cause of a polymicrobial. 2012.
3. Drew M, Edwards H, Fox K, Gillin C, Gonzales B, Jennings-Gaines J, et al. Bighorn sheep herd health monitoring recommendations. Western Association of Fish and Wildlife Agencies. https://www. wafwa. org …; 2014.
4. Radostits OM, Gay C, Hinchcliff KW, Constable PD. Veterinary Medicine E-Book: A textbook of the diseases of cattle, horses, sheep, pigs and goats: Elsevier Health Sciences; 2006.
5. Danesh Lari S, Tahamtan Y, Hayati M, Kargar M. Rapid and simultaneous identity of virulence factors and capsular typing of Pasteurella multocida isolated from sheep and goats by Multiplex PCR. Journal of Microbial World. 2010;3(3):162-8.
6. Wood ME, Fox KA, Jennings-Gaines J, Killion HJ, Amundson S, Miller MW, et al. How respiratory pathogens contribute to lamb mortality in a poorly performing bighorn sheep (Ovis canadensis) herd. Journal of wildlife diseases. 2017;53(1):126-30.
7. Patel S, Chauhan H, Patel A, Shrimali M, Patel K, Prajapati B, et al. Isolation and identification of Klebsiella pneumoniae from sheep-case report. Int J Curr Microbiol App Sci. 2017;6(5):331-4.
8. Al-Agha AGM, Al-Khafaji NJM, Al-Azawi AKS. Isolation and identification of Klebsiella pneumoniae using API-20E analytical system and conventional PCR assay. Intl J Curr Microbiol App Sci. 2017;6(8):203-10.
9. Mansour AM, Zaki HM, Hassan NA, Al-Humiany AA. Molecular characterization and immunoprotective activity of capsular polysaccharide of Klebsiella Pneumoniae isolated from farm animals at Taif Governorate. American Journal of Infectious Diseases. 2014;10(1):7-20.
10. Rania H, Rehab EM, Amira EL, Noha M, Heba A. Mixed infection of Mycoplasma and bacteria in the respiratory tract of sheep with reference to thehistopathological picture in Sharkia Governorate. Egyptian Journal of Animal Health. 2021;1(1):7-22.
11. T Husseein M, Alrodhan M. Isolation and identification of some aerobic bacteria associated with respiratory infections of sheep in Al-Diwaniya Governorate. AL-Qadisiyah Journal of Veterinary Medicine Sciences. 2011;10(2):138-46.
12. Rashid M, Ferdoush M, Dipti M, Roy P, Rahman M, Hossain M, et al. Bacteriological and pathological investigation of goat lungs in Mymensingh and determination of antibiotic sensitivity. Bangladesh journal of veterinary medicine. 2013;11(2).
13. Fouad EA, Khalaf DD, Farahat E, Hakim AS. Identification of predominant pathogenic bacteria isolated from respiratory manifested small ruminants in western north Egypt with regard to their susceptibility to antibiotics. International Journal of Health Sciences. 2022(II):10818-28.
14. El-Mashad A-BI, Moustafa SA, Amin A, Samy EM. Pathological Studies on lung affections in sheep and goat at Kalubia Governorate. Benha Veterinary Medical Journal. 2020;38(1):17-23.
15. Oruc E. The pathologic and bacteriologic comparison of pneumonia in lambs. Turkish Journal of Veterinary & Animal Sciences. 2006;30(6):593-9.
16. Ahmed WA, Mohammed RJ, Khalaf IA. Molecular and phenotypical characterization of mannheimia haemolytica isolated from goats in Baghdad province. Advances in Microbiology. 2017;7(04):304.
17. Tabatabaei M, Abdollahi F. Isolation and identification of Mannheimia haemolytica by culture and polymerase chain reaction from sheep’s pulmonary samples in Shiraz, Iran. Veterinary World. 2018;11(5):636.
18. Adeyemi MT, Morenikeji OA, Emikpe BO, Jarikre TA. Interactions between gastrointestinal parasitism and pneumonia in Nigerian goats. Journal of Parasitic Diseases. 2017;41:726-33.
19. Lowrey B, Butler CJ, Edwards WH, Wood ME, Dewey SR, Fralick GL, et al. A survey of bacterial respiratory pathogens in native and introduced mountain goats (Oreamnos americanus). Journal of Wildlife Diseases. 2018;54(4):852-8.
20. Besser TE, Highland MA, Baker K, Cassirer EF, Anderson NJ, Ramsey JM, et al. Causes of pneumonia epizootics among bighorn sheep, western United States, 2008–2010. Emerging Infectious Diseases. 2012;18(3):406.
21. Zaghawa A, Hassan H, El-Sify A. Clinical and Etiological study on respiratory affections of sheep. Minufiya veterinary journal. 2010;7(1):93-103.
22. Bangar Y, Pachpute S, Nimase R. The survival analysis of the potential risk factors affecting lamb mortality in deccani sheep. J Dairy Vet Anim Res. 2016;4(2):266-70.
23. MonaMA. Studies on respiratory affec-tions of sheep in Matrouh governorate, Egypt. European Biomedical Pharmaceutical Sci J. 2019;6(13):505-12.
24. Contreras-Luna MJ, Ramírez-Martínez LA, Sarmiento Silva RE, Cruz Lazo C, Pérez Torres A, Sánchez-Betancourt JI. Evidence of respiratory syncytial virus and parainfluenza-3 virus in Mexican sheep. Virusdisease. 2017 ;28(1):102-110