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| Namulawa,V. T; Kato,C. D; Nyatia,E; Rutaisire,J; Britz,P. J. |
| The ultrastructure of the gastrointestinal tract of Nile perch was described using Transmission Electron Microscopy standard procedures. Investigations revealed the presence of mucous cells, blood vessels and oil droplets plus several nerve cells and muscle bundles in the oral cavity. Further observations revealed columnar epithelial cells in the oesophagus, with a ragged surface, high electron dense cytoplasm, intercellular spaces, mitochondria and mucus granules. The lamina propria of the oesophagus was composed of loose connective tissue, blood vessels, nerve cells and several leucocytes, while the muscularis externa was composed of striated muscle bundles with the a Z line, A band and I band. The stomach was characterized by mucosal glandular cells... |
| Tipo: Journal article |
Palavras-chave: Ultrastructure; Gastrointestinal tract; Nile perch. |
| Ano: 2015 |
URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022015000200053 |
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| Thorpe, Andy; Bennett, Elizabeth. |
| This paper analyses the organisation of the post-harvest Nile perch supply chain centred on Lake Victoria in East Africa to test the practical relevance of the market-driven supply chain thesis proposed by Folkerts and Koehorst (1998). It finds that while international consumer demand, particularly in demanding improved quality standards according to HACCP principles, is having profound local organisational ramifications, the evolving supply chain is presently best characterised as being a hybrid one neither exclusively production, nor marketdriven. |
| Tipo: Journal Article |
Palavras-chave: Supply chain; Fish chain; Nile perch; Lake Victoria; HACCP; Quality assurance; Agribusiness. |
| Ano: 2004 |
URL: http://purl.umn.edu/8129 |
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