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The effects of dietary lipid levels on growth, feed utilization, hepatosomatic index (HSI), liver lipid deposition and tissue fatty acid composition in haddock were investigated. Triplicate tanks of juvenile haddock (6.9 g) were fed graded levels of herring oil to supply 14, 16, 19 and 22% lipid (DM...
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Lupins were roasted in a flame roaster with an exit temperature of 105 degrees C. The effect of heating on protein solubility and rumen degradability of lupin were evaluated by chemical and Dacron bag procedures. Solubility of nitrogen in buffer was reduced from 69.8% in raw lupin to 35.8% in roaste...
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A trial in which roasted ground lupin, raw ground lupin or soyabean meal were fed to cows to establish possible effects on the fatty acid composition of milk (24 cows) and meat (28 cows) is reported. Results indicated that, in lupin-fed cows, even with a relatively low level of dietary fat, synthesi...
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Sweet white lupins (Lupinus albus) and a high protein variety of soyabeans, AC Proteus (HPSB), were roasted in an electric roaster at 300 degrees C for 1, 2, 3 or 4 min. Raw and roasted samples were analysed for total nitrogen, acid detergent insoluble N and protease insoluble N, and available rumen...
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The lipoprotein and lipid composition of the serum in postabsorptive haddock was characterized. A low level of very low density lipoproteins (VLDL; <50 mg/dl) was observed in serum. High density lipoprotein (HDL) was the predominant lipoprotein class followed by low density lipoproteins (LDL). Of...
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20 Holstein cows in midlactation were used in a Latin-square design to evaluate the nutritional quality of a high-protein soyabean (CP 45%) given raw or roasted. Treatments were: (1) control (soyabean meal); (2) conventional soyabean (Maple Isle), raw; (3) conventional soyabean, roasted; (4) high-pr...
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The effects of overfeeding by gastric intubation on body composition and energy metabolism of adult female rats were studied. There were significant linear increases in carcass DM, fat and energy during 10 days as daily metabolizable energy (ME) intake was increased from 160 to 300 kJ. Rats were giv...
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Dimethylacetamide (DMA) was compared with DMSO as a cryoprotectant for rainbow trout (Oncorhynchus mykiss) spermatozoa on the basis of motility, percentage of dead spermatozoa, enzyme leakage and fertility of thawed spermatozoa. DMA performed better (P<0.05) than DMSO for all traits..
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The objective of this study was to evaluate the effects of feeding pigmented feed (50 ppm astaxanthin) to diploid or triploid Arctic charr, Salvelinus alpinus, on growth rate, color of fillets, and the variability of color within fillets. Arctic charr with an average weight of 419.9 g ± 83.3 g, inc...
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Effects of processing whole soyabean on growth characteristics, fatty acid composition and lipid peroxidation activity of beef tissue were investigated with 40 crossbred steers. The basal diet consisted of grass and corn silage, barley grain, vitamins and minerals. The dietary treatments were: raw s...
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Droppings were collected every 2 days from hens on a standard maize and soya bean oilmeal diet with 17% protein. In DM crude protein was 27.5, Ca 8.5 and P 2.3%. The untreated excreta with 70% moisture was included as 30% in a diet at the expense of maize and oat husks to give a diet with 15% crude ...
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In Experiment 1, 24 multiparous cows in early lactation were given a basal diet for ad lib. intake consisting of 24.3% (DM) maize silage, 25.9% whole crop barley silage, 33.1% lucerne silage and 16.7% of a protein supplement. Raw barley grain, or barley flame roasted to reduce its rate of rumen degr...
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Twenty-eight Simmental-cross steers weighing 200 (+/- 20.5) kg were used to evaluate grass and whole plant lupin silages in terms of growth rate, dry matter (DM) intake and carcass characteristics. The chemical composition of the silages was determined and Dacron bag procedures were used to estimate...
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For 3 weeks, 128 male Sprague-Dawley rats, 3 weeks old, were fed on diets containing no protein, casein, soyabean meal, roasted or raw soyabeans, or sweet white lupin (Lupinus albus) cultivar Primorski or Ultra without or with 0.1% lysine or 0.2% methionine. Relative net protein ratio (RNPR) (casein...
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The effect of body fatness on the fasting heat production and energetic efficiency of adult sheep was studied. Energy balance and heat production were estimated in adult wether sheep at 3 fatness levels given a diet of grass hay and maize at 4 feeding levels, including fasting, in open-circuit respi...
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Amino acid availability values for Atlantic salmon were evaluated for two steam- and one flame-dried herring meal, menhaden meal, anchovy meal, and a Norwegian capelin meal (Norse-LT94(R)). Apparent amino acid availabilities were calculated based on feces collected either by manual stripping or sedi...
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In the first experiment adult rats were allowed access to different amounts of diet of high energy density and were allowed to grow until there was a spread of bodyweights of 100 g. Of this difference 50% was fat and 10% was protein. Intakes were then adjusted to maintain a constant bodyweight and e...
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A low trypsin inhibitor soyabean (LTI) was characterized using electrophoresis, enzyme activity measurements and gel exclusion chromatography. The protein profiles were similar to a control soyabean. Gel exclusion chromatography resulted in two peaks of trypsin inhibitor activity in the control. The...
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In a randomized block design nutritional quality of 2 new varieties of full-fat soyabeans (SB) in broiler starter diets was evaluated. Protein sources were raw SB (39% crude protein (CP), 70 Trypsin Inhibitor Units (TIU) per g DM), autoclaved SB, autoclaved high protein (HP) SB, low trypsin inhibito...
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Three cannulated, lactating cows were used in a 3 x 3 Latin square design to determine the effect of roasting or NaOH treatment of barley on ruminal fermentation and site and extent of digestion of nutrients. Experimental treatments were rolled barley, roasted (exit temperature, 135 degrees C) and r...
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A three-step in vitro procedure was developed by Calsamiglia and Stern [J. Anim. Sci. 73 (1995) 1459] to estimate intestinal protein digestion after 16 h incubation in the rumen. The objective of our work was to modify this procedure to give an accurate estimation of N digestibility without the use ...
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Fresh excreta from caged laying hens were treated with 3% tannic acid or 2% paraformaldehyde. Two diets were made up with 64% wet weight of the excreta, 28% lucerne hay and a little maize, molasses and supplements. The diets had gross energy (GE) 3.9 to 4.0 kcal/g. A control diet had moistened soya ...