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1. Further Insights Into Caprine Arthritis Encephalitis (CAE): The Current Status of Seroprevalence Among Small Ruminants in Two Selected States of Peninsular Malaysia.

Author

Paul, Bura Thlama, Hashi, Hamza Abdirahman, Burhannuddin, Nurul Najwa, Chung, Eric Lim Teik, Jesse, Faez Firdaus Abdullah, Lila, Mohd Azmi Mohd, Haron, Abd Wahid, Amat, Azlan Che, Abba, Yusuf, Maqbool, Arsalan, Bhutto, Khaleeq ur Rehman, Isa, Kamarulrizal Mat, Amira, Nur Azhar, Odhah, Mohammad Naji, Hambali, Idris Umar, and Norsidin, Mohd Jefri

Subjects
*PESTE des petits ruminants, *RUMINANTS, *GOATS, *SEROPREVALENCE, *IMMUNOGLOBULINS, *ENCEPHALITIS, *CENTRAL nervous system
Abstract

Caprine arthritis-encephalitis virus (CAEV) is a member of the genus lentivirus causing caprine arthritis-encephalitis (CAE), a chronic inflammatory condition affecting the lungs, joints, udder and central nervous system of small ruminants such as sheep and goats. CAE is distributed worldwide and is recognised as a significant cause of morbidity and decreased milk production in dairy goats. Earlier studies highlighted the clinicopathological features and supplied preliminary serological evidence for the existence of CAE among selected goat herds in Malaysia. Therefore, this study aims to provide further insights into the seroprevalence and contributing factors of CAE among sheep and goat herds in two states of Peninsular Malaysia. The blood samples and biodata were randomly collected from a total of 262 individual sheep (40) and goat (222) in seven smallholder farms. Blood sera were tested for specific anti-CAEV antibodies using Qayee-Bio CAEV sandwich-ELISA test kits according to standard procedures. Our results of the study revealed 21.4% (95% CI: 15.8-28.6) apparent and 20.6% (95% CI: 14.5-27.8) true seroprevalence with significant differences (p < 0.05) in seroconversion rates between the states, farms, production systems and breeds of small ruminants. The prevalence of CAE in the Malaysian Peninsular is a potential threat to the small ruminant industry and developing agricultural economy. Further studies are required to determine the genetic characteristics, distribution and risk factors of CAEV for effective prevention and control in Malaysia. [ABSTRACT FROM AUTHOR]

Published
2021
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2. Further Insights Into Caprine Arthritis Encephalitis (CAE): The Current Status of Seroprevalence Among Small Ruminants in Two Selected States of Peninsular Malaysia

Author

Nur Azhar Amira, Nurul Najwa Burhannuddin, Kamarulrizal Mat Isa, K.R. Bhutto, Idris Umar Hambali, Faez Firdaus Abdullah Jesse, Mohammad Naji Odhah, Mohd Jefri Norsidin, Mohd Azmi Mohd Lila, Azlan Che' Amat, Hamza Abdirahman Hashi, Eric Lim Teik Chung, Abd Wahid Haron, Bura Thlama Paul, Yusuf Abba, and Arsalan Maqbool

Subjects
Veterinary medicine, Serological evidence, Seroprevalence, Biology, General Biochemistry, Genetics and Molecular Biology, Article, medicine, Faktor Penyumbang, Seroconversion, Udder, Bebiri, Caprine arthritis encephalitis, Semenanjung Malaysia, Sheep, Peninsular Malaysia, Genus Lentivirus, Goats, CAEV, General Medicine, Kadar Kelaziman Serologi, medicine.anatomical_structure, Herd, Kambing, Agricultural economy, General Agricultural and Biological Sciences, Contributing Factors
Abstract

Caprine arthritis-encephalitis virus (CAEV) is a member of the genus lentivirus causing caprine arthritis-encephalitis (CAE), a chronic inflammatory condition affecting the lungs, joints, udder and central nervous system of small ruminants such as sheep and goats. CAE is distributed worldwide and is recognised as a significant cause of morbidity and decreased milk production in dairy goats. Earlier studies highlighted the clinicopathological features and supplied preliminary serological evidence for the existence of CAE among selected goat herds in Malaysia. Therefore, this study aims to provide further insights into the seroprevalence and contributing factors of CAE among sheep and goat herds in two states of Peninsular Malaysia. The blood samples and biodata were randomly collected from a total of 262 individual sheep (40) and goat (222) in seven smallholder farms. Blood sera were tested for specific anti-CAEV antibodies using Qayee-Bio CAEV sandwich-ELISA test kits according to standard procedures. Our results of the study revealed 21.4% (95% CI: 15.8-28.6) apparent and 20.6% (95% CI: 14.5-27.8) true seroprevalence with significant differences (Virus Kaprin Artritis Ensefalitis (CAEV) merupakan ahli kumpulan dalam genus virus lentivirus dimana akan menyebabkan penyakit kaprin artritis ensefalitis (CAE) di mana penyakit ini akan menyebabkan keradangan kronik pada paru-paru, sendi, kelenjar mamari dan sistem saraf pusat bagi haiwan ruminan kecil seperti bebiri dan kambing. CAE telah merebak ke seluruh dunia dan penyakit ini akan menyebabkan penularan wabak pada kadar morbiditi yang tinggi dan mengurangkan kuantiti penghasilan susu bagi kambing tenusu. Kajian terdahulu memberi penekanan kepada dapatan klinikal patologi dan data bukti serologi kewujudan penyakit CAE dalam kalangan gerompok kambing di Malaysia. Maka, kajian kini bertujuan memberikan pendedahan awal berkaitan kadar kelaziman serologi dan faktor yang menyumbang penyakit CAE dalam kalangan bebiri dan kambing bagi dua negeri di Semanjung Malaysia. Sampel darah dan data biologi telah dikumpulkan secara rawak dengan jumlah sampel 262 ekor (40 ekor bebiri dan 222 ekor kambing) daripada tujuh buah ladang peternak kecil. Serum yang telah dikumpul diuji dengan antibodi spesifik anti-CAEV dengan menggunakan prosedur piawai kit elisa daripada Qayee-Bio CAEV. Keputusan kajian ini menunjukkan kadar kelaziman serologi 21.4% (95% CI: 15.8–28.6) jelas dan 20.6% (95% CI: 14.5–27.8) kadar kelaziman benar dengan perbezaan ketara (

Published
2021

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