Pathology of hens fed a diet containing methanol-utilizing bacteria.

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  • EMI Yoko
    Department of Veterinary Pathology, Faculty of Agriculture, Tottori University
  • TAKECHI Masato
    Department of Veterinary Pathology, Faculty of Agriculture, Tottori University
  • MIYAKAWA Yoshifumi
    Department of Veterinary Pathology, Faculty of Agriculture, Tottori University
  • ITAKURA Chitoshi
    Department of Veterinary Pathology, Faculty of Agriculture, Tottori University

Bibliographic Information

Other Title
  • メタノール資化細菌を含む飼料給与鶏の病理学的所見
  • メタノール資化細菌を含む飼料給与鶏の病理学的所見〔英文〕
  • メタノール シカ サイキン オ フクム シリョウ キュウヨ ニワトリ ノ ビョ
Published
1983
DOI
  • 10.2141/jpsa.20.302
Publisher
Japan Poultry Science Association

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Description

Pathological examination was made on 59 chickens aged 212 weeks which were fed a feed containing the protein from the methanol-utilizing bacteria as described in the previousreport [Japan. Poult. Sci., 19, 322-343 (1982)]. In addition, there were birds of the same age fed a control diet. Macroscopically, the following changes were observed; fatty liver (46%), atrophy of the ovary and oviduct (34%), cystic dilation of Mueller's canal (34%), and ruptured-yolk peritonitis (25%). Microscopically, the following lesions were frequent in 30 chickens examined; ruptured-yolk peritonitis (93%), fatty liver (93%), leiomyoma of the oviduct ligament (23%) and perivascular cell infiltration in the brain (13%). Both macro-scopical and microscopical lesions occurred in the control birds with almost the same degree of incidence. The observations made are common in routine pathological examinations and no unusual features were noted. From the results, it was concluded that the microbial protein was harmless to the chicken.

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