Document Detail

Spermatozoa characteristics in six psittacine species using light microscopy.
MedLine Citation:
PMID:  20456089     Owner:  NLM     Status:  MEDLINE    
Even though breeding of companion birds has increased continuously for years, the fecundity assessment of birds has hardly been acknowledged. Knowledge of the structure of spermatozoa is crucial for evaluation of the basic reproductive biology of any species as well as for phylogenetic research and cladistic analyses of internal relationships. Spermatozoa of six different psittacine species (Nymphicus hollandicus, Myiopsitta monachus, Agapornis roseicollis, Melopsittacus undulatus, Tanygnathus lucionensis, Guarouba guarouba) were examined using light microscopy. Head length (nucleus including acrosome), head width, midpiece length and tail length were measured and documented. Significant differences were obvious among almost all of the species for almost all four parameters. However, in all the six species a significant moderate correlation between spermatozoa midpiece lengths and tail lengths (r=0.535, p<or=0.01), spermatozoa head lengths and midpiece lengths (r=0.508, p<or=0.01) as well as tail lengths (r=0.472, p<or=0.01) was found. The present results confirm that spermatozoa of cockatiels have shorter heads and midpieces than the other psittacines examined in this study. Spermatozoa characteristics in the monk parakeet, blue-naped parrrot and golden conure are previously unreleased and documented for the first time.
G Stelzer; V Schmidt; A Sobiraj; M-E Krautwald-Junghanns
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Reproduction in domestic animals = Zuchthygiene     Volume:  44     ISSN:  1439-0531     ISO Abbreviation:  Reprod. Domest. Anim.     Publication Date:  2009 Dec 
Date Detail:
Created Date:  2010-05-11     Completed Date:  2010-08-30     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9015668     Medline TA:  Reprod Domest Anim     Country:  Germany    
Other Details:
Languages:  eng     Pagination:  894-9     Citation Subset:  IM    
Clinic for Birds and Reptiles, Large Animal Clinic for Theriogenology and Ambulatory Services, Faculty of Veterinary Medicine, University of Leipzig, 04103 Leipzig, Germany.
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MeSH Terms
Microscopy / veterinary*
Psittaciformes / classification,  genetics,  physiology*
Species Specificity
Spermatozoa / cytology*

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