bovine venereal campylobacteriosis, caused by campylobacter fetus subsp. venerealis (cfv), is regarded as one of the major threats to the cattle industry around the world. abortion and infertility are two important reproductive problems in cows infected with c. fetus subsp. venerealis. reports on the presence of cfv are scarce in the cattle, in iran. therefore, the present study was designed to...

Bovine genital campylobacteriosis is a venereally transmitted bacterial disease caused by Campylobacter fetus subsp venerealis. The disease is characterised by temporary infertility of female cattle as a result of a subacute diffuse mucopurulent cervicitis, endometritis and salpingitis. Abortion occurs in a small percentage of infected cows, months after initial infection. Infected bulls show n...

Bovine Neosporosis, a disease caused by the protozoan parasite, Neospora caninum, is now recognized throughout the world. It is the major identified cause of abortion in many regions, including California. A critical feature of the disease is that the infection is maintained in cattle as a chronic, persistent infection that is efficiently passed on to the fetus during pregnancy. While fetal inf...

Among the animals which science has neglected domestic water buffalo serves as an outstanding example Ahmad, et al. [1]). Scarce information is available regarding sex differentiation of fetus in buffaloes. (Ranjbar [2]) reported that could be distinguished at 56 days (C-R length, 3-4 cm) gestation Iranian buffalo.

Abortion in dairy cattle is generally defined as the loss of fetus on days 47-265 of pregnancy and can significantly reduce the income and capital gain of farmers and producers. Therefore, sufficient economical support and preventive measurements are essential for this issue. In this study, genetic materials were extracted from the abomasum rennet, as well as homogenous preparations of brain, k...

A total of 85 beef heifers were used to determine if vaccination with a modified-live virus (MLV) vaccine containing bovine viral diarrhea virus types 1 and 2 (BVDV1 and BVDV2) approximately 1 year prior to challenge with virulent BVDV1b and BVDV2a will protect against fetal infection. BVDV1 and BVDV2 seronegative heifers were vaccinated at approximately 15 months of age with a commercially ava...