Abstract/Details

Diversidad micótica asociada a heces de gallinas ponedoras, <i>Gallus gallus,</i> en dos granjas avícolas de Puerto Rico


2010 2010

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Abstract (summary)

Coprophilous fungi are saprophytic organisms that live on dung. A study on coprophilous fungi associated with the feces of laying hens of the Rhode Island breed, at two poultry farms located at Moca and Lajas, was conducted during high and low rainfall seasons. The feces of laying hens present serious risks of contamination because they generate unpleasant odors, promotes invasion of insects and are a potential substrate for pathogenic microorganisms. At each farm, eight fecal samples were taken; four during each study season. Each sample consisted of 5 g of hen dung placed in a dilution bottle with Phosphate Buffered Saline (PBS). The samples were centrifuged, filtered and inoculated into Saboraud Dextrose Agar (SDA), Brain-Heart Infusion Agar (BHIA) and Brain-Heart Infusion Agar supplemented with bovine blood (BHIA + blood) culture media. One hundred and sixty fungal colonies were identified, out of which 136 were yeasts and 24 were filamentous fungi. From the fungal colonies, 12 genera and 18 species were isolated: Cladosporium cladosporioides, C. sphaerospermum, Aspergillus niger, A. versicolor, Penicillium frequentans, P. spinulosum, P. waksmani, Curvularia brachyspora, C. lunata, C. senegalensis, Nigrospora oryzae, Bipolaris spicifera, Gonabotrytis sp., Tripospermum sp., Coelomycete, Rhodotorula mucilaginosa, Rhodotorula sp., Candida famata, C. parapsilosis, C. guilliermondii, C. albicans, C. ciferrii, Candida sp. and Cryptococcus sp. This study ratifies that the feces of laying hens are an adequate organic substrate for several fungal species, some of which are pathogenic for humans.

Indexing (details)


Subject
Microbiology
Classification
0410: Microbiology
Identifier / keyword
Biological sciences; Coprophilous fungi; Lajas; Moca; Pathogenic fungi; Poultry industry; Saprophytic fungi
Title
Diversidad micótica asociada a heces de gallinas ponedoras, <i>Gallus gallus,</i> en dos granjas avícolas de Puerto Rico
Author
Sanchez Roman, Anadeliz
Number of pages
114
Publication year
2010
Degree date
2010
School code
0553
Source
MAI 49/04M, Masters Abstracts International
Place of publication
Ann Arbor
Country of publication
United States
ISBN
9781124483535
Advisor
Vargas, Maria M.
Committee member
Acosta, Jaime; Santos, Carlos J.
University/institution
University of Puerto Rico, Mayaguez (Puerto Rico)
Department
BIOLOGÍA
University location
United States -- Puerto Rico
Degree
M.S.
Source type
Dissertations & Theses
Language
Spanish
Document type
Dissertation/Thesis
Dissertation/thesis number
1489078
ProQuest document ID
855604288
Copyright
Database copyright ProQuest LLC; ProQuest does not claim copyright in the individual underlying works.
Document URL
http://search.proquest.com/docview/855604288
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