By Felicity Huntingford, Malcolm Jobling, Sunil Kadri
Smooth aquaculture is confronted with a few demanding situations, together with public predicament approximately environmental affects and the welfare of farmed fish. A basic realizing of fish biology is primary to discovering how one can meet those demanding situations and can be crucial for retaining the industry's sustainability.
Furthermore, the behaviour of fish less than tradition occasions has lengthy been missed regardless of heavy advertisement losses that could end result from fish under pressure and consequently disease-prone, because of undesirable husbandry techniques.
This vital ebook summarises the present figuring out of the behavioural biology of farmed species and illustrates how this is utilized to enhance aquaculture practice.
Informative and fascinating, Aquaculture & Behavior brings the reader updated with significant concerns touching on aquaculture. every body from fish farmers to top point scholars will locate this booklet a precious and useful source. Libraries in universities and study institutions the place animal habit, aquaculture, veterinary and organic sciences are studied and taught must have copies of this paintings on their shelves.
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Additional resources for Aquaculture and Behavior
Indd 27 27 the landscape (Naylor et al. 2010). Land resources Land resources are under pressure from many different human activities. As far as aquaculture is concerned, sites that are suitable for land-based fish farming are limited by desirable combinations of climate, topography, water availability and access to other resources such as a labour force, power supplies and transport facilities (Stickney 2000; Wedemeyer 2001; Tucker & Hargreaves 2008). Most of the problems associated with land use for fish farming relate to the value of alternative uses, leading to potential conflicts.
2006). As such, the fish brain has structures homologous to those involved in generating emotions and in complex learning processes in mammals and these also seem to serve similar functions. On this basis, it seems risky to conclude that all features of consciousness or sentience are ruled out in fish because of the nature of their central nervous system. indd 19 19 Considering the view that fish behaviour is simple and reflex-based, the evidence points to the contrary. For example, fish have a well developed capacity for learning (Brown et al.
2010). Hybridization has been carried out on all major groups of fish farmed for human consumption and some hybrids are the choice for commercial culture. Examples include a hybrid between Thai (Clarias macrocephalus) and African catfish (Clarias gariepinus), which combines the better eating qualities of the Thai catfish with the more rapid growth of the African species, and the sunshine bass, a hybrid cross between female white bass (Morone chrysops) and male striped bass (M. saxatilis), which is more tolerant of extremes of temperature and dissolved oxygen than either of the parental species (Lim & Webster 2006; Le Francois et al.