The Presence and Prevalence of Bovine Parainfluenza 3 (BPIV-3), Bovine Papillomaviruses (BPV), Bovine Herpesvirus 1 (BHV-1) in Subclinical Mastitis in Cattle
Öz
In general, bacterial pathogens are the focus of mastitis studies. Symptoms of mastitis may be absent in cases of viral infection, because other clinical symptoms are more dominant. Subclinical mastitis cases cannot be generally diagnosed and as a consequence, they are not investigated very well. This may lead to the inability of viral agents to be predicted in bovine subclinical cases. There are many viral agents associated with bovine mastitis and which may cause subclinical mastitis in dairy cattle. However, since viral infections have not been much investigated in mastitis studies, strategies developed against subclinical mastitis may be inadequate. Bovine Parainfluenza 3 (BPIV-3), Bovine Papillomaviruses (BPV), Bovine Herpesvirus 1 (BHV-1) could cause clinical and subclinical mastitis. The aim of the present study was to investigate the presence and prevalence of BPIV-3, BPV, and BHV-1 viral agents in subclinical mastitis case in Erzurum province. For this purpose, 120 bovine mammary tissues with no macroscopic lesions were collected and these tissues were examined with histopathology and immunofluorescence methods. Thereafter, all viruses were identified with qRT-PCR in mammary tissues. The end of histopathologic process 78 of 120 cases (56 chronic subclinic mastitis, 22 acut mastitis) was found severity of inflammatory changes. According to the results of immunofluorescence staining for all sections. The immun positive signs for BPIV-3 BPV, and BHV-1 was determined in 50 out of 120 cases. qRT-PCR results which compatible with immunofluorescence results showed that BPIV-3 agent was detected by the qRT-PCR in 26/120 samples, BPV-2 agent in 8/120 samples, BHV-1 agent in 16/120 samples, and BPV-1 agent in 7/120 samples (only by qRT-PCR). Coinfection with BPIV-3 and BHV-1 was detected in 5/120 samples, BPIV-3, and BPV-1 in 3/120 samples, BHV-1, and BPV-2 in 2/120 samples. According to our results, although the role of viral agents in mastitis disease has not been clearly elucidated, we have found that viral agents are common in mammary tissues with subclinical mastitis.
Anahtar Kelimeler
Kaynakça
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Ayrıntılar
Birincil Dil
İngilizce
Konular
Veteriner Bilimleri, Veteriner Cerrahi
Bölüm
Araştırma Makalesi
Yayımlanma Tarihi
30 Haziran 2019
Gönderilme Tarihi
2 Kasım 2018
Kabul Tarihi
25 Mart 2019
Yayımlandığı Sayı
Yıl 2019 Cilt: 12 Sayı: 2
