共 50 条
- [1] PREGNANCY DIAGNOSIS IN THE PIG BY MEANS OF ULTRASONIC ZUCHTHYGIENE-REPRODUCTION IN DOMESTIC ANIMALS, 1982, 17 (02): : 78 - 83
- [3] PREGNANCY DIAGNOSIS IN PIG BY VAGINAL SMEAR ZENTRALBLATT FUR VETERINARMEDIZIN REIHE A-JOURNAL OF VETERINARY MEDICINE SERIES A-ANIMAL PHYSIOLOGY PATHOLOGY AND CLINICAL VETERINARY MEDICINE, 1974, 21 (04): : 325 - 330
- [4] ESTROGEN DETERMINATION IN BLOOD AND FECES IN THE PIG FOR PREGNANCY DIAGNOSIS ZUCHTHYGIENE-REPRODUCTION IN DOMESTIC ANIMALS, 1986, 21 (04): : 180 - 180
- [6] PREGNANCY DIAGNOSIS IN PIG, CATTLE AND BITCH BY AN ULTRASONIC DOPPLER INSTRUMENT JAPANESE JOURNAL OF VETERINARY SCIENCE, 1970, 32 : 148 - &
- [7] PREGNANCY DIAGNOSIS BY ULTRASOUND ECHOGRAPHY - AN AID TO CONTROL PIG REPRODUCTION ANNALES DE ZOOTECHNIE, 1987, 36 (03): : 304 - 305