Voluntary feed intake, feed and nutrient utilisation in slow and fast growing rainbow trout strains
نویسندگان
چکیده
منابع مشابه
Efficiency of energy utilisation and voluntary feed intake in ruminants.
Energy requirements of animals are most readily expressed in terms of net energy (NE), while the energy yield of feed is, at least initially, expressed in terms of metabolisable energy (ME). Energy evaluation systems 'translate' NE requirements into ME requirements (ME systems) or assign NE values to feeds (NE systems). Efficiency of ME utilisation is higher for maintenance than for production ...
متن کاملRelation between dietary lipid level and voluntary feed intake, growth, nutrient gain, lipid deposition and hepatic lipogenesis in rainbow trout.
Four diets with differing lipid contents (15, 20, 25 or 30% DM) were tested on small (initial body weight: 27 g) and larger (IBW: 93 g) rainbow trout (Oncorhynchus mykiss) fed on demand or by hand, respectively. In both trials, voluntary feed intake was inversely related to dietary lipid levels. Protein efficiency increased when dietary fat content increased. Final whole-body lipid content was ...
متن کاملDIETARY INTERACTIONS INFLUENCING FEED 1Nl' AKE, NUTRIENT UTILISATION AND- APPETITE REGULATION IN THE RAINBOW TROUT, Oncorhynchus mykiss
Dietary interactions influencing feed intake, nutrient utilisation and appetite regulation in tbe rainbow trout, Oncorhynclllls mykiss. Ahmet Adem Tekinay Dietary factors are one of the most significant considerations in the regulation of appetite in fish since dietary nutrient and energy concentration modulate feed intake in the short and longer term. These interactions may also be important f...
متن کاملEffect of growth rate on quality traits and feed ž / utilisation of rainbow trout
Ž . Rainbow trout Oncorhynchus mykiss of initial average weight 150 g and brook trout Ž . SalÕelinus fontinalis initially weighing 124 g on average, were reared at different growth rates Ž . Ž . by feeding either a high H, close to satiation or low L, half of H ration of a commercial diet. Fish were reared for 6 to 15 weeks in order to reach same size class. Fast growth increased whole Ž . Ž . ...
متن کاملElimination of chloramphenicol in rainbow trout receiving medicated feed.
Chloramphenicol muscle residue levels in rainbow trout were determined after oral administration of 84 μg kg-1d-1 of chloramphenicol for four days. Samples were taken one day before treatment and for 43 days after the treatment was over. Chloramphenicol was analysed using an in-house enzyme linked immunoassay (ELISA) validated against the criteria of the Commission Decision 2002/657/EC. Validat...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Aquatic Living Resources
سال: 1998
ISSN: 0990-7440
DOI: 10.1016/s0990-7440(98)80065-x