Table 2.
Applicability of ultrasonography in female swine reproduction and for troubleshooting of “on farm” fertility problems [13].
| Applicability in Female Swine Reproduction 1 | Applicability for Troubleshooting of “on Farm” Fertility Problems 1 |
|---|---|
| Diagnosis of pregnancy and pregnancy failure Assessment of health of the non-pregnant uterus Monitoring of ovulation and ovulation failure Assessment of puberty and failure to attain puberty Assessment of follicle growth and failure to grow Determination of fetal viability, retained piglets and placentae, assessment of uterine involution (Measurement of backfat depth) |
Low conception rate Low farrowing rate Late fallouts High rate of returns Delayed puberty/high cull rate of gilts for “No Heat“ Vulval discharges Reduced litter size Long wean–estrus interval Peripartum/puerperal uterine disorders (Body condition monitoring) |
1 Fertility-associated applications are in parentheses.