August 2011
Reproductive biology, length–weight relationship and condition factor of the African snake head, Parachanna obscura, from River Oshun, South-west Nigeria
Aspects of the biology of the African snake head, Parachanna obscura, obtained from River Oshun, South-west Nigeria, from August 2006 to February 2007, were studied. Fish were captured with gill nets. The species attained a maximum total length of 36.4 cm and body weight of 389.36 g. The length/weight relationship indicated allometric growth for males and isometric growth for females. Gonado-somatic...
August 2011
Evaluation of some heavy metals in Pangasius hypothalmus and Tilapia nilotica and the role of acetic acid in lowering their levels
Concentrations of cadmium, mercury, manganese, phosphorus, lead and zinc in samples of Basa fish (Pangasius hypothalmus) and some fresh water fish (Tilapia nilotica, named Bolti and Karmout) collected from Kafer-El-Zayat were determined. Karmout fish contained the highest level of metals where phosphorus level was 3.45 μg/g, lead (1.51μg/g), zinc (1.03 μg/g), cadmium (0.17 μg/g),...
August 2011
Aquaculture in Europe: Media representations as a proxy for public opinion
Fish is traditionally considered a healthy and pure food. However, with the development of modern aquaculture, a range of potentially controversial issues are emerging. These could significantly impact the future success of the industry. In the absence of in-depth data on lay perceptions on farmed fish and fish farming, this paper utilises media representations as a proxy for public opinion. Media...
August 2011
Pork production system and its development in mainland China
Livestock production and marketing have been driven by the growing consumer demand for high quality and low cost animal protein. As a result, intensive livestock industries have been rapidly developing globally. International trade, especially with China, creates new opportunities and challenges for the emerging international agriculture market. China provides an enormous market for international trade by...
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