SETYO, MISBAKHUDDIN BAGUS (2023) PENGARUH PEMBERIAN IKAN NILEM (Osteochilus microcephalus) TERHADAP KELANGSUNGAN HIDUP DAN LAJU PERTUMBUHAN IKAN KOI (Cyprinus carpio) (23da478). Undergraduate thesis, Fakultas Perikanan dan Ilmu Kelautan.

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Abstract

ABSTRAK
(Misbakhuddin Bagus Setyo. 26020119140105). Pengaruh Pemberian
Ikan Nilem (Osteochilus microcephalus) Terhadap Kelangsungan Hidup Dan Laju
Pertumbuhan Ikan Koi (Cyprinus carpio). Dicky Harwanto dan Diana
Chilmawati).
Hambatan dalam budidaya ikan koi adalah rendahnya nilai kelangsungan
hidup dan laju pertumbuhan ikan koi. Ikan koi dapat dibudidayakan secara
polikultur dengan ikan nilem. Ikan nilem memiliki karakteristik yang hampir
sama dengan ikan koi sehingga bisa dimanfaatkan, selain itu juga dapat
menambah nilai produksi. Tujuan dari penelitian ini untuk mengetahui pengaruh
pemberian ikan nilem (O. microcephalus) terhadap kelangsungan hidup dan laju
pertumbuhan ikan koi (C. carpio) dan menentukan kepadatan terbaik pemberian
ikan nilem pada kolam budidaya yang memberikan kelangsungan hidup, laju
pertumbuhan spesifik, dan kualitas air kolam ikan koi terbaik. Penelitian ini
menggunakan metode eksperimen dengan rancangan acak lengkap (RAL) yang
terdiri dari 4 perlakuan dan 3 ulangan, dengan perlakuan ikan koi sejumlah 20
ekor/m2 yang dibudidayakan dengan ikan nilem dengan kepadatan yang berbeda
yaitu perlakuan A berjumlah 0 ikan, perlakuan B berjumlah 15 ikan, perlakuan C
berjumlah 30 ikan, perlakuan D berjumlah 45 ikan. Parameter yang diuji berupa
kelangsungan hidup, laju pertumbuhan spesifik ikan koi dan juga kualitas air.
Hasil analisi ragam ANOVA menunjukkan bahwa pemberian ikan nilem pada
kolam budidaya ikan koi tidak berpengaruh nyata terhadap kelangsungan hidup
ikan koi akan tetapi berpengaruh nyata terhadap laju pertumbuhan spesifik ikan
koi. Penambahan 15, 30 dan 45 ikan nilem terhadap 20 ikan koi memberikan laju
pertumbuhan spesifik lebih baik dibandingkan dengan tanpa pemberian ikan
nilem. Ikan nilem pada perlakuan ini mampu membuat respon ikan koi lebih aktif
dan cepat ketika diberi pakan.
Kata Kunci: ikan koi; ikan nilem; polikultur; kelangsungan hidup; laju
pertumbuhan spesifik.

ABSTRACT
(Misbakhuddin Bagus Setyo. 26020119140105). The Effect of Giving
Nilem Fish (Osteochilus microcephalus) on the Survival and Growth Rate of Koi
Fish (Cyprinus carpio). Dicky Harwanto and Diana Chilmawati).
The obstacle in cultivating koi fish is the low survival value and growth
rate of koi fish. Koi fish can be cultivated in polyculture with nilem fish. Nilem
fish have almost the same characteristics as koi fish so they can be utilized, apart
from that they can also add production value. The aim of this research is to
determine the effect of giving nilem fish (O. microcephalus) on the survival and
growth rate of koi fish (C. carpio) and determine the best density of giving nilem
fish in cultivation ponds that provides survival, specific growth rate and water
quality. best koi fish pond. This research used an experimental method with a
completely randomized design (CRD) consisting of 4 treatments and 3
replications, with treatment of 20 koi fish/m2 which were cultivated with nilem
fish with different densities, namely treatment A had 0 fish, treatment B had 15
fish. fish, treatment C amounted to 30 fish, treatment D amounted to 45 fish. The
parameters tested were survival, specific growth rate of koi fish and also water
quality. The results of the ANOVA analysis of variance showed that giving nilem
fish to koi fish cultivation ponds did not have a significant effect on the survival of
koi fish, but had a significant effect on the specific growth rate of koi fish. The
addition of 15, 30 and 45 nilem fish to 20 koi fish gave a better specific growth
rate compared to without giving nilem fish. Nilem fish in this treatment were able
to make the koi fish respond more actively and quickly when given food.
Keywords : koi fish; nilem fish; polyculture; survive; specific growth rate.

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