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Fig. 4 | Porcine Health Management

Fig. 4

From: Swine inflammation and necrosis syndrome is influenced by husbandry and quality of sow in suckling piglets, weaners and fattening pigs

Fig. 4

Selected histo-pathological findings in the tail, ear and claw. Tail 1: no specific findings; H: hair follicle, hash: cartilaginous (not yet ossified) part of the caudal vertebrae; asterisk: bony part of the caudal vertebra (with hematopoietically active bone marrow). Tail 2: severe vasculitis (oval). Tail 3: Blood vessel thrombosis; completely organized thrombus (circle) with recanalization (arrows). Ear 1: no specific findings; K: cartilage of the ear, A: arteriole. Ear 2: moderate vasculitis (oval); low-grade vascular thrombosis (asterisk). Ear 3: low-grade subintimal proliferative changes (circle). Claw 1: discreet lymphoplasmacellularinflammation at the tip of dermal laminae (circle). Claw 2: low-grade lymphoplasmacellular inflammation in the dermal laminae (circle); moderate irregular epithelial hyperplasia (asterisk). Claw 3: low grade mixed cell inflammation (predonimatly in the dermis) (asterisks); low grade irregular epithelial hyperplasia (arrows). The shown histological findings could occur in all age groups and with or without alterations of the epithelium (see Tables 4, 5, 6)

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