🐄 Carcass 🐄 Live animal 🩸 Whole blood / Blood smear 🥛 Milk 🧪 Serum 💩 Fecal 🧠 Brain tissue 🧴 Preputial wash 🩺 Vaginal swab 🔬 Vag. swab (spermatozoa) 🦠 Pus 🌾 Feed 💧 Water 🧬 Epithelial tissue 🐣 Fetus 🧴 Urine 🥚 Eggs 🩸 Uterine swab 🧠 Head (brain extraction) 🧫 Environmental swab 🧴 Dip wash 📋 Other