Dictyocaulosis in dairy cows in Brazil: an epidemiological, clinical-pathological and therapeutic approach
PBN-AR
Instytucja
Instytut Parazytologii im. Witolda Stefańskiego Polskiej Akademii Nauk
Informacje podstawowe
Główny język publikacji
angielski
Czasopismo
Acta Parasitologica (20pkt w roku publikacji)
ISSN
1230-2821
EISSN
1896-1851
Wydawca
VERSITA
DOI
URL
Rok publikacji
2017
Numer zeszytu
1
Strony od-do
129-132
Numer tomu
62
Identyfikator DOI
Liczba arkuszy
Autorzy
(liczba autorów: 11)
Pozostali autorzy
+ 10
Słowa kluczowe
angielski
Dictyocaulus viviparus
angielski
lungworm
angielski
dairy cattle
angielski
high morbidity
Streszczenia
Język
angielski
Treść
An outbreak of severe parasitic pneumonia caused by Dictyocaulus viviparus was diagnosed in adult dairy cows in the municipality of Arabutã, Southern Brazil. The total morbidity in the herd was 71.9%, and the morbidity amongst adult lactating cattle was 100%. The main clinical signs observed were dyspnea, tachypnea, nasal discharge, decreased milk production, and cough. A necropsy was conducted on one animal in order to establish the diagnosis. The herd had been treated previously with levamisole; however, clinical signs persisted and became worse. After treatment with eprinomectin the severity of clinical signs decreased, and the respiratory condition subsequently disappeared. It is believed that the high morbidity presented in this outbreak is related to epidemiological factors, such as increased rainfall in 2014 and 2015, associated with low immunity of the herd. This is the first report of dictyocaulosis in adult dairy cattle in Brazil. Furthermore, it describes an outbreak presenting very high morbidity.
Cechy publikacji
Original paper
Inne
System-identifier
PX-599ae834d5de964fa155983a
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