A comparison between methods used to determine the energy content of feed, fish and faeces samples

Henken, A.M.; Lucas, H. L.; Tijssen, Peter; Machiels, M.A.M.

doi:10.1016/0044-8486(86)90085-2

Cited by 100 publications

(75 citation statements)

References 3 publications

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“…This result is similar to that of Hotfman et al (1997) who observed a similar protein and fat content in the fish body when fish meal was replaced by tomato pomace in the diets. A number of previous studies showed that the amount of dietary fat influences the amount of body fat (Henken et al, 1986;Shearer, 1994;Bureau et al, 1995). However, higher levels of dietary tomato pomace, which increased diet fat content, did not influence fish body fat (Tables 1 and 4).…”

Section: Discussionmentioning

confidence: 88%

The potential of tomato pomace as a feed ingredient in common carp (<i>Cyprinus carpio</i> L.) diet

Amirkolaie¹,

Dadashi²,

Ouraji³

et al. 2015

J. Anim. Feed Sci.

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Section: Discussionmentioning

confidence: 88%

The potential of tomato pomace as a feed ingredient in common carp (<i>Cyprinus carpio</i> L.) diet

Amirkolaie¹,

Dadashi²,

Ouraji³

et al. 2015

J. Anim. Feed Sci.

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“…Protein content of the diets was in the range of 46.0-47.5% (Table 2) while lipid content of diets was in range of 9.8-10.5%. The gross energy content of diets ranged from 16.2-17.6 kJ/g of diet was estimated by multiplying the average caloric conversion factors which are 23.4 kJ/g, 39.8 kJ/g and 17.6 kJ/g for protein, lipid, and carbohydrate content, respectively (Henken et al, 1986). …”

Section: Experimental Dietsmentioning

confidence: 99%

The Utilization of Soybean Meal in Formulated Diet for Marble Goby, Oxyeleotris marmoratus

Yong¹,

Ooi²,

Shapawi³

2013

JAS

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Marble goby, Oxyeleotris marmoratus is a carnivorous fish that highly demanded in Asia region and has great potential in aquaculture industry. A feeding trial was conducted to investigate the possibility of replacing fishmeal with soybean meal in the diet for marble goby juvenile. Fish (initial body weight and length 0.28±0.01 g and 2.60±0.04 cm respectively) were fed with four isonitrogenous and isolipidic diets, which contained 0%, 10% and 20% of defatted soybean meal (SB0, SB10 and SB20, respectively) and 20% of soybean meal supplemented with 2000 FTU/kg phytase (SB20+P). The fish were randomly distributed into 12L aquariums and hand-fed till apparent satiation twice daily. After 40-day of feeding trial, highest growth was observed in fish fed SB0, without significant difference with fish fed SB10; both groups were significant better than juveniles fed SB20 and SB20+P. Treatment SB20+P obtained slightly higher growth than those fed SB20. Similar trend was observed in the specific growth rate, feed conversion ratio and nitrogen retention efficiency. Protein efficiency ratio of fish fed SB0, SB10 and SB20+P was significant higher than fish fed SB20. The body lipid content was significantly reduced in higher soybean meal level diet partly due to starvation as the fish were reluctant to feed on experimental diet. No distinct enteritis symptoms was observed in juveniles fed SB0 and SB10 while juveniles fed SB20+P had better intestinal morphology than in SB20. In conclusion, young marble goby juvenile can utilize 10% of defatted soybean meal in their diet without affecting its growth, nutrient utilization and intestinal condition.

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“…Faeces were collected from each of the experimental dietary group after 7 days of feeding with 0.5% chromic oxide diet as described by Henken et al (1985) and Fagbenro (1996).The fish were sacrificed and feacal matters were removed by rectal dissection (removal of 3.5 cm of the rectum). The faecal matter was removed, pooled for each of the treatments placed in an evaporating dish and oven dried at temperature of 60 °C for 30 mins.…”

Section: Digestibility Studiesmentioning

confidence: 99%

Digestibility Study and Nutrient Re-evaluation in Clarias gariepinus Fed Blood Meal-Rumen Digesta Blend Diet

Lawal¹,

Adewole²,

Olaleye³

2017

Not Sci Biol

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The nutrient utilization and digestibility of blood meal-bovine rumen digesta blend diet (BMBRD) fed to Clarias gariepinus burchell (1822) was assessed using 60 C. gariepinus juveniles with a view to confirming the digestibility and suitability of the BMBRD blend inclusion level in the diet of C. gariepinus for sustainable clariid production. Two set of three iso-nitrogenous experimental diets containing 35% crude protein were formulated with 0%, 25% and 50% BMBRD inclusion level to substitute the fishmeal component which was the primary protein source. The first set of experimental diet was designed to monitor the growth performance and feed utilization was fed fortnightly in duplicate to C. gariepinus juveniles, stocked in glass aquaria (60 cm × 30 cm × 30 cm) at 4% of the body weight in two instalments daily for 10 weeks, while the second experimental diet with 0.5% chromic oxide (Cr2O3) inclusion (as a digestibility marker) was prepared and fed to the fish for 7 days to determine to digestibility of the different BMBRD included diets. The obtained results showed that the fish fed 25% BMBRD included diet had significantly higher (p < 0.05) growth performance and feed utilization indices than the other experimental diets. Similar to observation in the growth performance and feed utilization indices, the fish fed BMBRD included diets had significantly higher (p < 0.05) protein and energy digestibilities than the fish fed 0% BMBRD (control diet) and the study confirmed that fishmeal can be partially replaced up to 25% BMBRD blend in C. gariepinus diet for optimum growth performance and feed utilization.

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A comparison between methods used to determine the energy content of feed, fish and faeces samples

Cited by 100 publications

References 3 publications

The potential of tomato pomace as a feed ingredient in common carp (<i>Cyprinus carpio</i> L.) diet

The potential of tomato pomace as a feed ingredient in common carp (<i>Cyprinus carpio</i> L.) diet

The Utilization of Soybean Meal in Formulated Diet for Marble Goby, Oxyeleotris marmoratus

Digestibility Study and Nutrient Re-evaluation in Clarias gariepinus Fed Blood Meal-Rumen Digesta Blend Diet

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