Volume 56 (2006) Issue: 2006 No#2-3

The effect of subclinical bovine herpesvirus 1 infection on fertility of cows and heifers

Author(s): Ata A, Kale M, Yavru S, Bulut O, Buyukyoruk U

Keywords:cow, heifer, bovine herpesvirus 1, fertility, ELISA

The aim of this study was to determine the serological prevalence of bovine herpesvirus 1 (BHV-1), and describe whether natural subclinical infections will lead to fertility losses in dairy cows and heifers in Burdur, Turkey. BHV-1 prevalence was 11.94% (201/24) and 14.60% (89/13) in cows and heifers, respectively. Conception rate (CR) was higher in BHV-1 serologically negative cows (38.98%) than BHV-1 positive cows (33.33%) but the difference was statistically insignificant (P>0.05). However, CR was higher (P>0.05) in BHV-1 serologically positive heifers (84.61%) than BHV-1 negative heifers (56.57%). Average open days period (OD) of BHV-1 serologically positive cows (99.3 ± 16 d) was different from BHV-1 negative cows (82.0 ± 3.8 d) (P<0.05). Average for the first service (FSA) of BHV-1 serologically positive heifers (18.01 ± 1.1 mo) did not differ from BHV-1 negative heifers (18.0 ± 0.3 mo) (P>0.05). Results of the current study showed that BHV-1 serologically positive cows have required for successful conception about 17 days more than negative cows.


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ISSN: 0567-8315

eISSN: 1820-7448

Journal Impact Factor 2017: 0.604

5-Year Impact Factor: 0.439

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