Abstract
The presence of hydrometra was analyzed on five dairy goat farms (one Saanen and four Alpine) in a period of one to three years, from 2013 to 2016. Total of 3,355 goats were scanned by ultrasound for pregnancy diagnosis after breeding season or out-of-season upon hormonal synchronization. Overall incidence of hydrometra was 1.37%. One farm of Saanen goats demonstrated statistically higher incidence of hydro/pyometra as compared to other four Alpine farms (3.25% vs. 0.56%; p <0.001). Seasonal synchronization of anestric goats and occasional outof-season synchronization in nulliparous Saanen goats probably contributed to higher incidence of this pathological condition (7/67; 10.45%), thus leaving unclear if this results can be attributed to breed affinity and/or to intensive reproductive management. Treatment with double prostaglandin injections and antibiotic treatment of hydrometra/pyometra resulted in relatively good conception rate of 64% (16/25). In conclusion, regular ultrasonography 40-70 days after mating or insemination is of crucial importance for intensive farm reproductive management on large dairy goat farms. After the treatment, significant percentage of goats with hydrometra can be successfully rebred.
Highlights
Hydrometra is an important pathological condition in goats and represents one of the main causes of temporary infertility
Seasonal synchronization of anestric goats and occasional out-of-season synchronization in nulliparous Saanen goats probably contributed to higher incidence of this pathological condition (7/67; 10.45%), leaving unclear if this results can be attributed to breed affinity and/or to intensive reproductive management
After routine pregnancy diagnosis of 3,355 scanned goats, 46 animals were diagnosed with hydrometra
Summary
Hydrometra is an important pathological condition in goats and represents one of the main causes of temporary infertility. It occurs mainly in dairy goats and is characterized by excessive accumulation of sterile fluid in the uterus in the absence of fetuses and placentomes associated with persistent corpus luteum (Hesselink, 1993; Wittek et al, 1998). By ultrasonography, it can be seen as non-echogenic fluid compartments separated by thin tissue wallstrabecules (Hesselink and Taverne, 1994). According to Brice et al (2003), two important mechanisms are needed to establish hydrometra: 1) spontaneous persistence of the corpus luteum (CL) after an ovulation without fertilization, and 2) the persistence of the CL after an early embryonic mortality
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