Risk factors associated with cytological endometritis diagnosed at artificial insemination in dairy cows

2017 ◽  
Vol 92 ◽  
pp. 1-5 ◽  
Author(s):  
O. Bogado Pascottini ◽  
Miel Hostens ◽  
P. Sys ◽  
P. Vercauteren ◽  
G. Opsomer
Keyword(s):  
Risk Factors ◽  
Dairy Cows ◽  
Artificial Insemination ◽  
Factors Associated

scholarly journals Risk Factors Associated with Colostrum Quality in Norwegian Dairy Cows

2008 ◽  
Vol 91 (2) ◽  
pp. 704-712 ◽  
Author(s):  
S.M. Gulliksen ◽  
K.I. Lie ◽  
L. Sølverød ◽  
O. Østerås
Keyword(s):  
Risk Factors ◽  
Dairy Cows ◽  
Factors Associated ◽  
Norwegian Dairy

scholarly journals Risk factors associated with subclinical mastitis in dairy cows reared in district Ganderbal, Jammu and Kashmir

2021 ◽  
Vol 52 (4) ◽  
Author(s):  
Ali A. ◽  
Ganie S.A. ◽  
Mir M. R. ◽  
Ahmad S.B. ◽  
Bhat R.R. ◽  
...  
Keyword(s):  
Risk Factors ◽  
Dairy Cows ◽  
Subclinical Mastitis ◽  
Cross Sectional Study ◽  
Cross Sectional ◽  
Jammu And Kashmir ◽  
Factors Associated ◽  
Lactation Stage ◽  
Holstein Friesian ◽  
Intensive System

Subclinical mastitis is associated with certain risk factors such as age, lactation stage, milk production and parity. A cross sectional study including 135 cross bred Holstein Friesian dairy cows was undertaken from June 2017 to January 2019 in surrounding villages of district Ganderbal in order to identify major risk factors. The overall prevalence of SCM was 81.48%. The highest prevalence of subclinical mastitis associated with various risk factors was 48.1% (early lactation), 44.54% (5-7 years), 49.09% (>10 litres per day) and 30.90% (3rd parity) respectively. In intensive system of rearing, prevalence was 66.36% whereas in extensive 33.63% was found. In present study, single quarter was affected in 61.81% of SCM infections. In milking method, knuckling and stripping showed more incidence of SCM. In present study, moderate form of mastitis was more predominant (40.9%).

scholarly journals Seroprevalence and risk factors associated with Neospora caninum in crossbred dairy cows in Uberlândia

2018 ◽  
Vol 39 (4) ◽  
pp. 1585 ◽  
Author(s):  
Nayara Resende Nasciutti ◽  
Patrícia Magalhães de Oliveira ◽  
Vinícius De Morais Barbosa ◽  
Selwyn Arlington Headley ◽  
Felipe Gonçalves Garcia ◽  
...  
Keyword(s):  
Risk Factors ◽  
Dairy Cows ◽  
Neospora Caninum ◽  
Reproductive Disorders ◽  
Blood Samples ◽  
Factors Associated ◽  
History Of ◽  
Antibody Titers ◽  
Associated Risk Factors ◽  
The City

Neospora caninum causes reproductive disorders in dairy cattle such as repeat breeding, abortion, and anestrus, which are risk factors associated with the seroprevalence of N. caninum in Brazil and worldwide. This study aimed to verify the risk factors related to the seroprevalence of Neospora caninum in crossbred dairy cows in the city of Uberlândia, Minas Gerais. During, January to July 2013, 740 blood samples were collected from 57 herds with a history of reproductive disorders and determinations of antibody titers against N. caninum were obtained by ELISA assay. The seroprevalence of N. caninum was 18.4% (136/740). Risk factors for N. caninum were cows greater than 2 years of age (P = 0.034), mechanical milking (P = 0.012), and frequent purchase of animals (P = 0.004), in addition to individual history of abortion (P = 0.007) and repeat breeding (P = 0.030). The highest probability of occurrence of associated risk factors was associated with individual history of abortion and repeated breeding and the frequent purchase of animals, with odds of 12.8, 5.9, and 3.8 times, respectively. In conclusion, the risk factors associated with N. caninum: members of the female sex and cows with more than 2 years-of-age, mechanical milking, and the frequent purchase of animals, in addition to individual history of abortion and repeated breeding.

scholarly journals Risk factors associated with reproductive performance in Japanese dairy cows: Vaginal discharge with flecks of pus or calving abnormality extend time to pregnancy

2019 ◽  
Vol 81 (1) ◽  
pp. 95-99 ◽  
Author(s):  
Hiroaki OKAWA ◽  
Akira GOTO ◽  
Missaka M.P. WIJAYAGUNAWARDANE ◽  
Peter L.A.M. VOS ◽  
Osamu YAMATO ◽  
...  
Keyword(s):  
Risk Factors ◽  
Dairy Cows ◽  
Reproductive Performance ◽  
Vaginal Discharge ◽  
Time To Pregnancy ◽  
Factors Associated

scholarly journals Potential Risk Factors Associated with Infection with Bovine Leukaemia Virus in Dairy and Beef Cattle in Taiwan

Pathogens ◽  
2021 ◽  
Vol 10 (12) ◽  
pp. 1553
Author(s):  
Yi-Chen Chen ◽  
Wen-Yu Chin ◽  
Chao-Chin Chang ◽  
Shih-Te Chuang ◽  
Wei-Li Hsu
Keyword(s):  
Risk Factors ◽  
Beef Cattle ◽  
Dairy Cows ◽  
Control Program ◽  
Effective Control ◽  
Infection Status ◽  
Bovine Leukaemia Virus ◽  
Leukaemia Virus ◽  
Factors Associated ◽  
High Prevalence

Bovine leukaemia virus (BLV), which is classified as a Deltaretrovirus, is the aetiologic agent of enzootic bovine leukosis (EBL), a chronic lymphoproliferative disorder with a worldwide distribution. EBL is widespread in dairy herds and causes a direct economic impact due to reduced milk production and the early culling of BLV-infected cattle. The BLV infection status in Taiwan remains largely unknown; a high prevalence of BLV in dairy cows was recently revealed. The present study further investigated BLV infections in beef cattle. Surprisingly, the prevalence of BLV proviral DNA was as low as 11.8% (23/195), which is significantly lower than that noted in dairy cows, which was 42.5% (102/240) (p < 0.001). Factors associated with BLV infections were subsequently investigated. Due to the differences in herd management, an analysis of risk factors for a BLV infection was independently conducted in these two sectors. Several factors associated with a BLV infection were identified. Age was significantly associated with BLV infection status in dairy cows (p < 0.001) but not in beef cattle. A high prevalence of BLV was observed in cattle >15.5 months old (57.8%) compared with those ≤15.5 months old (11.4%). Moreover, after stratification analysis, based on the critical age of 15.5 months, as determined by the receiver operating characteristic (ROC) curve, a significantly higher BLV prevalence was demonstrated in lactating dairy cows, cattle undergoing bull breeding, heifers at older ages, and those undergoing routine rectal palpation. Due to the high prevalence of BLV in Taiwan, the development of an effective control program, based on the identified risk factors, is important for interrupting the routes of BLV transmission within herds.

Risk factors associated with Neospora caninum seropositivity in randomly sampled Canadian dairy cows and herds

2010 ◽  
Vol 93 (2-3) ◽  
pp. 129-138 ◽  
Author(s):  
J.A. VanLeeuwen ◽  
J.P. Haddad ◽  
I.R. Dohoo ◽  
G.P. Keefe ◽  
A. Tiwari ◽  
...  
Keyword(s):  
Risk Factors ◽  
Dairy Cows ◽  
Neospora Caninum ◽  
Factors Associated
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