Abstract
A 28-days trial was conducted in an aquaponics culture system to determine the effect of the different vegetable plants application on the growth performance and survival rate of common carp (Cyprinus carpio). Common carp seeds were obtained from local fish farmers in Aceh Besar District. A total of 360 common carp fingerlings (size 3-5 cm) were used and placed in 12 containers with the capacity of 80 L each. The study used four treatments, namely A (control), B Kale (Ipomoea aquatica), C Lettuce (Lactuca sativa), and D Pakcoy (Brassica rapa subsp. chinensis), with three replications for each treatment. The result showed that different vegetable plants' applications significantly affected (P 0.05) the absolute weight gain, absolute length gain, and survival rate of common carp fingerlings. The highest value obtained was in treatment B (Ipomoea aquatic) with an absolute weight gain of 3.93 ± 0.28 g, absolute length gain of 3.81±0.21 cm, and survival rate of 100±0.0%, while the lowest was in treatment A (control) with an absolute weight gain of 1.21±0.76 g, absolute length gain of 1.70±0.10 cm and survival rate of 91±0.86%. Water quality was also collected in this study and the parameters during rearing were still within the tolerance limits of common carp rearing. Therefore, it can be concluded that the Kale plant, Ipomoea aquatica is the most recommended vegetable plant to be co-cultured with common carp in the aquaponics system.Keywords:AquaponicsCommon CarpVegetable Plants
Highlights
IntroductionTaiwan, and Europe and began to be maintained in Indonesia around 1920. Until now, Common carp have been widespread in Indonesia and known has economic value
Common carp (Cyprinus carpio) is originating fromChina, Taiwan, and Europe and began to be maintained in Indonesia around 1920
Common carp have been widespread in Indonesia and known has economic value
Summary
Taiwan, and Europe and began to be maintained in Indonesia around 1920. Until now, Common carp have been widespread in Indonesia and known has economic value. The use of beneficial bacteria in fish and fish rearing has been carried out in previous studies (Muhammadar et al, 2018; Dachi et al, 2019) This application functions to maintain the balance of water quality, maintain temperature stability, assist oxygen distribution and can reduce ammonia levels due to leftover feed and carp feces which will be used by vegetable plants themselves as nutrients. Depik Jurnal Ilmu-Ilmu Perairan, Pesisir dan Perikanan Volume 10, Number 1, Page 30-34 feces with the result that affect the water quality This issue may inhibit the growth rate of common carp and even cause disease in carp itself. In order to provide optimal growth performance in the rearing of common carp fingerling, it is necessary to conduct research regarding to the effectiveness of different plants cocultured with common carp fingerling
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