Sudden Death in Nursery (Weaner) Pigs (1-3 animals <20 kg)

Required Forms:

OAHN Swine Small Scale Herd Postmortem Project-Survey

OAHN Swine Small Scale Herd Postmortem Project - Submission form

Sudden Death in Nursery (weaner) Pigs tissue sampling list

TISSUE SAMPLING LIST-collect the following samples from EACH pig

Fresh tissues: 1 sample per Whirl-Pak bag, per pig – label with stickers provided.

Formalin-fixed tissues: 1 sample jar per pig.

Tissue Fresh (include lesions) In Formalin (include lesions)

Tonsil

X

X

Thyroid gland

 

X

Trachea

 

X

Thymus

 

X

Lung

X 3

X

Heart

 

X

Liver

X

X

Spleen

X 2

X

Kidney

X

X

Adrenal gland

 

X

Pancreas

 

X

Mesenteric lymph node

X

X

Gastrohepatic lymph node

X

X

Stomach

 

X

Duodenum

 

X

Jejunum

 

X

Ileum

 

X

Spiral colon

 

X

Diaphragm

 

X

Skeletal muscle

 

X

Brain (or head)

X half, sagitally sectioned (OR entire head, fresh)

X half sagitally sectioned (OR entire head, fresh)

Sudden Death in Nursery (Weaner) Pigs  (1-3 animals <40 kg)

Fresh tissues: Use a separate Whirl-Pak bag for each sample – use stickers and marker provided to label bags with the tissue name and pig designation (pig A, B, or C).

Formalin-fixed tissues: Use 1 sample jar per pig and label with pig designation (pig A, B, or C). For solid organs, samples should be approximately  1-2 cm2.  For intestine, take approx. 3 cm long segments and partially open longitudinally with scissors (to allow formalin to contact the mucosal surface). 

Test list (for AHL use):

Virology: PRRSV PCR prtqn, influenza A virus PCR inflpcr: lung

Bacterial culture bsetup, cults: lung, spleen (pool by tissue)

Histopathology hist

Freeze and hold: tonsil / spleen, lung, kidney/ liver, lymph nodes, brain.