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Book Contents

Histopathology and Cytology of
Poultry Diseases
By Ivan Dinev, DVM, PhD


DEEP PECTORAL MYOPATHY

Fig. 1. The condition is resulting from
ischaemic necrosis due to inadequate
blood supply of deep pectoral muscle
groups of a various size. Initial stage
of DPM, characterized with discoid
necrosis (arrow) of muscle fibres,
manifested by separation of single
sarcomeres. H/Е, bar = 25 µm.

Fig. 1. The condition is resulting from ischaemic necrosis due to inadequate blood supply of deep pectoral muscle groups of a various size. Initial stage of DPM, characterized with discoid necrosis (arrow) of muscle fibres, manifested by separation of single sarcomeres. H/Е, bar = 25 µm.

 
Fig. 2. Histologically, the altered
muscle fibres appear enlarged at a
various extent, distinctly eosinophilic
with rhexic or absent nuclei. H/E, Bar
= 40 µm.

Fig. 2. Histologically, the altered muscle fibres appear enlarged at a various extent, distinctly eosinophilic with rhexic or absent nuclei. H/E, Bar = 40 µm.

 
Fig. 3. Degenerative necrobiotic
changes from the Zenker’s necrosis
type, enhanced acidophilia, heterophil
leukocytes and macrophages
among the dead muscle tissue. H/Е,
bar = 35 µm.

Fig. 3. Degenerative necrobiotic changes from the Zenker’s necrosis type, enhanced acidophilia, heterophil leukocytes and macrophages among the dead muscle tissue. H/Е, bar = 35 µm.

 
Fig. 4. Mucoid degeneration and a
distinct border between the affected
and intact muscle tissue areas. H/Е,
bar = 35 µm.

Fig. 4. Mucoid degeneration and a distinct border between the affected and intact muscle tissue areas. H/Е, bar = 35 µm.

 
Fig. 5. At a later stage, a substitution
of atrophied fibres by adipose tissue
could be detected. H/E, Bar = 40
µm.

Fig. 5. At a later stage, a substitution of atrophied fibres by adipose tissue could be detected. H/E, Bar = 40 µm.

 
Fig. 6. A late (chronic) lesion. The
place of necrotic musculature is occupied
by fibrous tissue. H/Е, bar =
50 µm.

Fig. 6. A late (chronic) lesion. The place of necrotic musculature is occupied by fibrous tissue. H/Е, bar = 50 µm.

 
This book is protected by the copyright law. The reproduction, imitation or distribution of the book in whole or in part, in any format (electronic, photocopies etc.) without the prior consent, in writing, of copyright holders is strictly prohibited.

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