Growth and reproduction of threatened native crucian carp Carassius carassius in small ponds of Epping Forest, south‐east England

Tarkan, Ali Serhan; Copp, Gordon H.; Zięeba, Grzegorz; Godard, Michael

doi:10.1002/aqc.1105

Cited by 24 publications

(75 citation statements)

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“…However, the abundance of many populations shows a decreasing trend over almost the entire area of its natural occurrence (Skrzypczak and Mamcarz 2005;Tarkan et al 2009). On the other hand, the production of crucian carp in Asian countries reached over 1.9 million tons in 2007 whilst the total production value exceeded 1.6 billion dollars (FAO statistics-ftp://ftp.fao.org/fi/ stat/summary/a-6.pdf), which positions it in the top ten of aquaculture production.…”

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Influence of stocking density and type of feed on the rearing of crucian carp, Carassius carassius (L.), larvae under controlled conditions

et al. 2011

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Two experiments were conducted into the rearing of crucian carp larvae under controlled conditions in an experimental closed water system. In both cases, the rearing lasted 21 days. The first experiment concerned the initial stocking density (from 50 to 600 individuals per l), whilst the second one studied the first food offered (two types of Artemia nauplii, decapsulated Artemia cysts and three types of commercial feeds) which were applied at the moment of exogenous feeding commencement. The best results were obtained using 50 larvae per l, whilst there were no significant differences within the range 200-600 larvae per l. The application of dry feed had a negative influence on the survival and other parameters. The highest survival rate was found in the groups fed with freshly hatched Artemia naupli. The results obtained indicate that the rearing of crucian carp larvae may be successfully conducted in very high stocking densities. However, the very high sensitivity of crucian carp larvae to the type of food offered during the initial days of life should be taken into account. The data presented in this article could be very useful in crucian carp larviculture.

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“…For many years, this species (due to its flexibility) has been the subject of many scientific studies (e.g. Skrzypczak and Mamcarz 2005;Copp et al 2008;Tarkan et al 2009). However, data on the biological aspects of rearing the larvae of this species under controlled conditions as stocking material is fragmentary.…”

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Influence of stocking density and type of feed on the rearing of crucian carp, Carassius carassius (L.), larvae under controlled conditions

et al. 2011

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“…Anthropogenic transformation and climatic changes have a primary role in the degradation of the natural habitats of crucian carp. Moreover, expansion of the goldfish, Carassius auratus (L.) and Prussian carp, Carassius gibelio (Bloch) resulted in decreases of the crucian carp population in almost all areas of habitation for this species (Tarkan et al, 2009). Therefore, reproductive manipulation of fish under artificial conditions is an important tool in the conservation and restoration of endangered species such as the crucian carp.…”

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Application of dopaminergic antagonist: Metoclopramide, in reproduction of crucian carp Carassius carassius (L.) under controlled conditions

Cejko

Kucharczyk

2015

Animal Reproduction Science

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“…For many decades in Central Europe, this fish was one of the most important in commercially exploited freshwater reservoirs (Skrzypczak and Mamcarz 2005). However, in recent years, a serious decline of many populations of this species has been reported (e.g., Wheeler 2000; Skrzypczak and Mamcarz 2005;Tarkan et al 2009;Sayer et al 2011). One of the main factors responsible for this situation is the expansion of the goldfish, Carassius auratus (L.) and prussian carp, Carassius gibelio (Bloch 1782), which has degraded local populations of the crucian carp through excessive hybridization (Wheeler 2000;Hänfling et al 2005;Wouters et al 2012).…”

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Application of different activating solutions to in vitro fertilization of crucian carp, Carassius carassius (L.), eggs

et al. 2013

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Within the study, the in vitro fertilization (ivF) in crucian carp, Carassius carassius (L.), with the use of three activating solutions (AS) [reverse osmosis water (RO), Woynarovich (WS) and Billard (BS) solutions] as well as the period of the capacity of eggs to be fertilized (up to 180 s post-egg-activation) in those solutions. Moreover, CASA analysis of sperm motility was conducted with each AS. In control groups (0 s), the highest (P \ 0.05) fertilization rate (93.2 %) was observed with WS. The application of RO and BS affected lower (P \ 0.05) embryo survival (63.5 and \5 %, respectively). High fertilization rate (over 90 %) was recorded up to 30 (RO) and 90 s (WS) post-egg-activation. Progressive sperm motility (pMOT) was high (over 48 %) in all treatment groups up to 30 s. In RO and WS groups, pMOT significantly decreased (P \ 0.05) after 45 s post activation. BS affected pMOT over 10 % up to the 165 s. No differences (P [ 0.05) between the groups were found considering the curvilinear velocity (VCL) 15 s postsperm-activation. Between 30 and 135 s, the lowest (P \ 0.05) VCL after application of RO was noted. The highest VCL (P \ 0.05) up to 135 s was noted after application of BS and WS. All AS activated crucian carp sperm. The lowest fertilization rate was noted when BS was used, despite the high pMOT and VCL. It suggest that the AS which activates the sperm properly may not activate the eggs probably due to high osmolality of BS (262 mOsm kg -1 ). Because eggs retained the longest period of activity in WS, this AS is suggested for ivF in crucian carp.

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Growth and reproduction of threatened native crucian carp Carassius carassius in small ponds of Epping Forest, south‐east England

Cited by 24 publications

References 0 publications

Influence of stocking density and type of feed on the rearing of crucian carp, Carassius carassius (L.), larvae under controlled conditions

Influence of stocking density and type of feed on the rearing of crucian carp, Carassius carassius (L.), larvae under controlled conditions

Application of dopaminergic antagonist: Metoclopramide, in reproduction of crucian carp Carassius carassius (L.) under controlled conditions

Application of different activating solutions to in vitro fertilization of crucian carp, Carassius carassius (L.), eggs

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