Effect of several feeding stimulants on diet preference by juvenile gibel carp (Carassius auratus gibelio), fed diets with or without partial replacement of fish meal by meat and bone meal

Xue, Mei; Cui, Yuntao

doi:10.1016/s0044-8486(00)00602-5

Cited by 103 publications

(85 citation statements)

References 31 publications

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“…Initial body weight of juvenile and adult gibel carp (,:< 55:1) were 15.2 AE 0.5 and 110.1 AE 7.6 g respectively. The ¢sh were maintained in conical ¢breglass tanks (water depth: 50 cm; volume: Xue & Cui (2001). zDuring the 3-, 7-, 14-and 28-day adaptation periods, feed the diets without rare earth oxides marker, and during the subsequent 2 days mixed feeding period, feed the diets FM À, FM1, MBM1 À, MBM11, MBM2 À and MBM21 marked with one of the oxides of rare earth elements at 100 mg kg , and photoperiod was 12D:12L using six 40 W £uor-escent light.…”

Section: Fish Holding Conditions and Proceduresmentioning

confidence: 99%

“…According to the results of Xue & Cui (2001), some dietary factors could make diets with high levels of MBM less palatable than FM-based diets, and various feeding stimulants, including betaine, Gly, L-Lys, L-Met, L-Phe and a commercial squid extract showed feeding-enhancing e¡ects when included in the MBM diets, and squid extract tended to have the strongest palatability-enhancing e¡ects for gibel carp. The results also suggested that the e⁄cacy of feeding stimulants may vary with the composition of the diet (Xue & Cui 2001).…”

Section: Introductionmentioning

confidence: 99%

“…Gibel carp fed a diet containing a relatively high level of FM were relatively insensitive to the addition of feeding stimulants (Xue & Cui 2001). If gibel carp can adapt to diets containing MBM and feeding stimulants, any reduction in growth and the additional cost of feeding stimulants should be temporary.…”

Section: Introductionmentioning

confidence: 99%

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Effect of a feeding stimulant on feeding adaptation of gibel carp Carassius auratus gibelio (Bloch), fed diets with replacement of fish meal by meat and bone meal

2004

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The objectives of the study were to investigate the effect of a feeding stimulant on feeding adaptation of gibel carp (Carassius auratus gibelio Bloch) fed diets with replacement of ¢sh meal by meat and bone meal (MBM), and whether or not the juvenile gibel carp could adapt to higher MBM level in the diet. Juvenile and adult gibel carp were tested. Two and one replacement levels were used for juvenile and adult ¢sh respectively. Each group of diets was set as two types with or without a unique rare earth oxide: Y 2 O 3 , Yb 2 O 3 , La 2 O 3 , Sm 2 O 3 , Nd 2 O 3 or Gd 2 O 3 (only the ¢rst four rare earth oxides were used in adult diets) for four adaptation periods of 3,7,14 and 28 days respectively. After mixing, an equal mixture of all six diets for juvenile or four diets for adult was o¡ered in excess for 2 days. During the last 2 days of each experiment, no feed was o¡ered and faeces from each tank were collected. Feeding preference was expressed as relative feed intake of each diet, which was estimated based on the relative concentration of each marker in the faeces.Given some adaptation period, such as 3^28 days, the e¡ects of MBM and squid extract inclusion on the preference to each diet were reduced. After 28 days adaptation, the preferences between groups were not signi¢cantly di¡erent.

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Section: Fish Holding Conditions and Proceduresmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Effect of a feeding stimulant on feeding adaptation of gibel carp Carassius auratus gibelio (Bloch), fed diets with replacement of fish meal by meat and bone meal

2004

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“…These results demonstrated that the combination of ingredients can replace up to 6% levels of fishmeal in practical diets for this species. Xue and Cui (2001) studied the effects of stimulants in the diet of carp in diets with or without the substitution of fish meal by meal and bones. Animals fed the diet containing fish meal had better results than those fed the diet containing meat and bone.…”

Section: Growth In Length (Cm) D a Y S O F C U L T U R E A R T E M I mentioning

confidence: 99%

Performance of Carassius auratus with different food strategies in water recirculation system

Moreira¹,

Costa²,

Teixeira³

et al. 2011

Arch. zootec.

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SUMMARYThe efficiency of a recirculation system for the cultivation of C. auratus, fed with natural and artificial diets was evaluated. The experiment consisted of four treatments with four replicates. The first two treatments used recirculation system and the last two static system. In the first and fourth treatment, animals were fed with brine shrimp biomass (50% CP), while in the second and third treatments a commercial flake ration (42% CP) was used. At the end of cultivation (60 days), water samples were taken from all experimental units and subjected to standard plate count for determining the density of mesophilic bacteria. Final weight (g), final length (cm), specific growth rate (% day -1 ) and weight gain (%) were significantly different (p<0.05) among tested diets, but the culture systems did not affect fish performance. There was significant difference (p<0.05) between systems for total ammonia and nitrite. Animals fed with brine shrimp biomass acquired more intense and brighter colors than those fed only with commercial flake food. The values of standard plate count of mesophilic bacteria ranged from 7.0 × 10 3 to 1.1 × 10 4 CFU.ml -1 . In this study we observed that C. auratus is a species tolerant to adverse water conditions, perhaps with increased stock densities, the recirculation system could play some positive role on the zootechnical performance of cultured animals. RESUMOA eficiência de um sistema de recirculação para o cultivo de C. auratus, alimentados com dieta natural e artificial foi avaliada. O experimento consistiu de quatro tratamentos com quatro repetições. Os dois primeiros tratamentos utilizaram sistemas de recirculação e os dois últimos sistemas estáticos. No primeiro e quarto tratamento, os animais foram alimentados com biomassa de artêmia (PB 50%), enquanto nos tratamentos dois e três, com ração comercial em flocos (42% PB). Ao final do cultivo (60 dias), amostras de água foram coletadas em todas as unidades experimentais e submetidos a contagem padrão em placas para determinação da densidade de bactérias mesófilas. O peso final (g), comprimento final (cm), taxa de crescimento especí-fico (% dia -1 ) e ganho de peso (%) foram significativamente diferentes (p<0,05) entre as dietas testadas, mas os sistemas de cultivo não afetaram o desempenho dos peixes. Houve diferença significativa (p<0,05) entre os sistemas para os níveis de amônia total e nitrito. Os animais alimentados com biomassa artêmia adquiriram cor e brilho mais intensos do que aqueles alimentados apenas com ração comercial em flocos. Os valores de contagem padrão em placas de bactérias mesófilas variaram de 7,0 × 10 3 para 1,1 × 10 4 CFU.ml -1 . Neste estudo, observou-se que C. auratus é uma espécie tolerante a condições adversas de água, talvez com maior densidade de estocagem, o sistema de recirculação poderia desempenhar papel positivo sobre o desempenho zootécnico dos animais cultivados.

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“…Generally , MBM contains a high level of phosphorus and the indigestible dietary phosphorus will be excreted by the fish. So it is necessary to investigate the digestibility of phosphorus in order to alleviate environmental deterioration.The gibel carp , Carassius auratus gibelio , is a sub2 species of goldfish or Crucian carp and has almost re2placed Crucian carp in aquaculture in China because of its excellent taste and high growth rate [41 ] . So far , little is known , however , about the digestibility of nutrients in di2…”

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confidence: 99%

Effect of faecal collection interval and dietary meat and bone meal levels on digestibility of nutrients in gibel carp (<I>Carassius auratus gibelio</I>)

Song¹

2008

Acta Hydr Sin

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:The present study was undertaken to evaluate the effects of faecal collection interval (using a settling column) and the levels of dietary meat and bone meals (MBM) on the apparent digestibility coefficient (ADC) for dry matter , protein , energy and phosphorus in gibel carp . Six iso2nitrogenous (crude protein : 410 g/ kg) and iso2energetic (gross energy : 18 kJ/ g) diets were used in which fish meal (FM) protein was gradually replaced by MBM at 0 % , 20 % , 40 % , 60 % , 80 % and 100 %. These diet combinations were fed to juvenile gibel carp for 11 weeks. The faecal samples were collected two weeks after the beginning of the experiment using a settlement column starting 1 min after excretion started , or 4h and 16h after feeding. The results showed that the ADCs of dry matter , protein , energy and phosphorus increased significantly as the time from excretion to faecal collections in 2 creased while not being significant for the high MBM inclusion diets. ADCs of dry matter , crude protein , energy and phosphorus decreased linearly or almost linearly with the increase in dietary MBM levels. These findings suggest that faeces should be collected soon after they had settled under the conditions of this study for digestibility determination while rapid leaching is apparently re 2 sponsible for this false reading of digestibility with increasing sampling interval. It is also apparent that the digestibility is one of the problems affecting the use of MBM in juvenile gibel carp . Determination of the apparent digestibility of feed2 stuffs is required to formulate economically optimized feeds to meet also the nutritional demands of the animal and to minimize environmental impact derived from excre2 tion [1 ,2 ] . The measurement of digestibility for aquatic species is technically more difficult than that for terrestrial animals because nutrients from the faeces can quickly leach into the water , depending on the contact time in the water [3 ,4 ] . A number of techniques have been used to overcome this problem , including stripping of the contents of the hindgut [5 10 ] , removal of faeces after intestinal dissection [6 ,7 ,9 ,11 13 ] , and anal suction of faeces using a specific device [7 ,14 ,15 ] . However , some partially digested food , urine , sperm , eggs or intestinal epithelial cells can contaminate the samples and result in an underestimation of the apparent digestibility coefficient ( ADC) [16 19 ] .Furthermore , such methods require frequent handling of the fish which is stressful and is not suitable for obtaining faeces from small fish [20 ] . Also , these methods can not be used for continuous assessment of digestibility in com2 bination with growth trials [18 ] .Other researchers collected faeces in the water by pipetting immediately after release [21 ] , netting [7 ] , de2cantation column [22 ,23 ] , continuous effluent filtra2 [24 ,25 ] and the use of metabolic chambers [26 ] . These methods can avoid the problems caused by collection of un2defaecated intestinal contents. However , ...

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Effect of several feeding stimulants on diet preference by juvenile gibel carp (Carassius auratus gibelio), fed diets with or without partial replacement of fish meal by meat and bone meal

Cited by 103 publications

References 31 publications

Effect of a feeding stimulant on feeding adaptation of gibel carp Carassius auratus gibelio (Bloch), fed diets with replacement of fish meal by meat and bone meal

Effect of a feeding stimulant on feeding adaptation of gibel carp Carassius auratus gibelio (Bloch), fed diets with replacement of fish meal by meat and bone meal

Performance of Carassius auratus with different food strategies in water recirculation system

Effect of faecal collection interval and dietary meat and bone meal levels on digestibility of nutrients in gibel carp (<I>Carassius auratus gibelio</I>)

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