Akabane photos

Disease Images: Akabane

Akabane: Bovine neonate. This live calf cannot stand due to severe arthrogryposis, primarily affecting the hindlimbs.

Description:
Bovine neonate. This live calf cannot stand due to severe arthrogryposis, primarily affecting the hindlimbs.

Credit: Dr. P. Mansell, University of Melbourne
Photo ID: AKA_001

Akabane: Bovine neonate (Aino). This stillborn calf exhibits torticollis and arthrogryposis.

Description:
Bovine neonate (Aino). This stillborn calf exhibits torticollis and arthrogryposis.

Credit: Dr. K. Kawashima, National Institute of Animal Health, Japan
Photo ID: AKA_002

Akabane: Bovine neonate, brain. The entire brain is reduced in size (microencephaly), and surrounded by cerebrospinal fluid.

Description:
Bovine neonate, brain. The entire brain is reduced in size (microencephaly), and surrounded by cerebrospinal fluid.

Credit: Dr. K. Kawashima, National Institute of Animal Health, Japan
Photo ID: AKA_003

Akabane: Bovine calf. The head is hyperextended. The limb joints are fixed and vary from hypercontracted to hyperextended.

Description:
Bovine calf. The head is hyperextended. The limb joints are fixed and vary from hypercontracted to hyperextended.

Credit: Dr. B. Vanselow, Beef Industry Centre, Australia
Photo ID: AKA_004

Akabane: Bovine calf, calvarium. The cerebral hemispheres consist of thin-walled sacs that contained cerebralspinal fluid prior to necropsy.

Description:
Bovine calf, calvarium. The cerebral hemispheres consist of thin-walled sacs that contained cerebralspinal fluid prior to necropsy.

Credit: Dr. B. Vanselow, Beef Industry Centre, Australia
Photo ID: AKA_005

Akabane: Bovine calf. The head is rotated and tilted to the side (torticollis). There is abnormal rotation of the thoracic limbs and the joints are fixed at unusual angles (arthrogryposis). The thoracolumbar spine is curved to the right (kyphosis).

Description:
Bovine calf. The head is rotated and tilted to the side (torticollis). There is abnormal rotation of the thoracic limbs and the joints are fixed at unusual angles (arthrogryposis). The thoracolumbar spine is curved to the right (kyphosis).

Credit: Dr. B. Vanselow, Beef Industry Centre, Australia
Photo ID: AKA-006

Akabane: The cerebral hemispheres have failed to develop.

Description:
The cerebral hemispheres have failed to develop.

Credit: Dr. B. Vanselow, Beef Industry Centre, Australia
Photo ID: AKA_007

Akabane: Bovine steer, calvarium. The cerebral hemispheres are moderately to severely reduced in size and do not fill the cranial vault; the resulting potential space contained cerebral spinal fluid (external hydrocephalus/ hydranencephaly).

Description:
Bovine steer, calvarium. The cerebral hemispheres are moderately to severely reduced in size and do not fill the cranial vault; the resulting potential space contained cerebral spinal fluid (external hydrocephalus/ hydranencephaly).

Credit: Dr. B. Vanselow, Beef Industry Centre, Australia
Photo ID: AKA_008

To use images and associated descriptions contained on this website, please contact the CFSPH.

These images were annotated by Dr. Steve Sorden and Dr. Claire Andreasen and funding was provided by a USDA Higher Education Challenge Grant in collaboration with the Iowa State University Department of Veterinary Pathology, Center for Food Security and Public Health (CFSPH), Armed Forces Institute of Pathology (AFIP), and Plum Island Animal Disease Center (PIADC).