PENGARUH PEMBERIAN PUPUK KANDANG KOTORAN AYAM DENGAN DOSIS BERBEDA TERHADAP KUALITAS AIR KOLAM PENDEDERAN BENIH IKAN MAS (Cyprinus carpio, Linnaeus)

Ikan Mas (Cyprinus carpio, Linnaeus) merupakan salah satu spesies ikan air tawar yang mempunyai peluang pengembangan budidaya untuk meraih potensi pasar yang terus meningkat. Pengukuran kualitas air pada kolam pendederan benih ikan mas (Cyprinus carpio, Linnaeus) dengan dosis pupuk yang berbeda didapatkan bahwa pengaruh dosis pupuk kandang kotoran ayam terhadap kualitas air kolam pendederan benih ikan mas (Cyprinus carpio, Linnaeus) telah memenuhi persyaratan pembenihan ikan mas (Cyprinus carpio, Linnaeus) berdasarkan Standar Nasional Indonesia Pembenihan Ikan Mas 01-6137-1999 dan berdasarkan penelitian sebelumnya (menurut para ahli). Dosis pupuk kandang ayam memberikan perbedaan kualitas air pada keadaan suhu, pH, DO dan amoniak.   Goldfish (Cyprinus carpio, Linnaeus) is one of the freshwater fish species that has the opportunity to develop aquaculture to reach the market potential that continues to increase. Measurement of water quality in carp (Cyprinus carpio, Linnaeus) seed nursery ponds with different fertilizer doses, it was found that the effect of chicken manure manure on the water quality of carp (Cyprinus carpio, Linnaeus) nursery ponds met the requirements of carp hatchery (Cyprinus carpio, Linnaeus) based on the Indonesian National Standard for Carp Hatchery 01-6137-1999 and based on previous research (according to experts). The dose of chicken manure gave differences in water quality in conditions of temperature, pH, DO and ammonia

Estimates of combining ability and heterosis for growth traits in a full diallel cross of three strains of common carp, Cyprinus carpio L.

We attempted to determine the combining ability and heterosis of body weight by performing 3 × 3 complete diallel crosses derived by crossing three common carps (Cyprinus carpio var. jian, Cyprinus carpio haematopterus Temminck et Schlegel and Cyprinus carpio haematopterus). In total, 1650 fish were tagged when they were 1.5 months of age. After five months, Jian carp (♂) × Huanghe carp (♀) attained greater weight than pure and other hybrids. By crossing with Jian, Huanghe and Heilongjiang carps have improved body weight compared to their purebred. Significant principal components (PCs) were generated from growth performance data and their statistical loadings. The first principal component had the highest Eigen value of 2.81 and accounted for 70.31% of the variability in the data set. Two crosses, Jian carp (♂) × Huanghe carp (♀) and Huanghe carp (♂) × Jian carp (♀) showed high SCA with regard to body weight. Both Heilongjiang carp (♂) × Jian carp (♀) and Heilongjiang carp (♂) × Huanghe carp (♀) had higher heterosis compared to their purebreds. Significant positive phenotypic correlations were also observed between body weight and body length, thickness and height. The aforementioned results listed were identified as the foundation for common carp selective breeding programs.Keywords: Common carp, cross-breeding, heterosisAfrican Journal of Biotechnology Vol. 12(22), pp. 3514-352

Influence of music on the growth of koi carp, Cyprinus carpio (Pisces: Cyprindae)

An experiment was carried out to investigate the influence of music on the growth of Koi Carp (Cyprinus carpio) by subjecting the fish to music. Weekly growth in weight was recorded and used to calculate the growth rate and specific growth rate. The difference in growth between the control and experiment groups of fishes was statistically tested for significance. It was observed that the growth of fish subjected to music was significantly higher.Growth rate, Audio recordings, Sound Cyprinus carpio

What you should know about carp: its origin, varieties, physical appearance, feeding habits

The article discusses the different varieties of carp, their origin, physical appearance and feeding habits. The species discussed are grass carp (Ctenopharyngodon idella), silver carp (Hypophthalmichthys molitrix), bighead carp (Aristichthys nobilis), catla (Catla catla), rohu (Labeo rohita), mrigal (Cirrhinus mrigala), and common carp (Cyprinus carpio)

What you should know about carp: its origin, varieties, physical appearance, feeding habits

The article discusses the different varieties of carps, their origin, physical appearance and feeding habits. The species discussed were grass carp (Ctenopharyngodon idella), silver carp (Hypophthalmichthys molitrix), bighead carp (Aristichthys nobilis), catla (Catla catla), rohu (Labeo rohita), mrigal (Cirrhinus mrigala, and common carp (Cyprinus carpio)

Age composition, growth, and reproduction of koi carp (Cyprinus carpio L.) in the lower Waikato, New Zealand

A total of 566 koi carp (Cyprinus carpio) from the lower Waikato region were aged from scales and opercular bones, and growth was modelled with the von Bertalanffy growth function. There was no difference in growth rate between male and female carp. Growth of koi carp between zero and 3 years of age was lower than that of common carp in Europe and Australia. However, after 5 years of age the growth of koi carp was higher than that of common carp in Europe, but still below that of carp in Australia. Males rarely lived in excess of 8 years, whereas females lived to 12 years. Mean total fecundity calculated from 44 running-ripe females was 299 000 oocytes (±195 600 SD) (range 29 800–771 000). Relative fecundity ranged from 19 300 to 216 000 oocytes kg–1 total body weight, with a mean of 97 200 (±35 000 SD) oocytes kg–1. Feral koi carp in the Waikato are capable of multiple spawnings within their lifetimes. Within a spawning season, Waikato populations of feral koi carp contained females that spawned once, and females that had the potential to have spawned repeatedly. Female gonadosomatic index (GSI) varied with season and was negatively related to water temperature

Respon Daya Cerna Dan Respirasi Benih Ikan Mas (Cyprinus Carpio) Pasca Transportasi Dengan Menggunakan Daun Bandotan (Ageratum Conyzoides) Sebagai Bahan Antimetabolik [Digestibility Response and Respiration Post Transportation with Bandotan (Ageratum Conyzoides) Leaf as Antimetabolic of Common Carp (Cyprinus Carpio) Fry ]

Common carp (Cyprinus carpio) is fish with high metabolism during transportation caused fish stress and could due to impare condition of fry fish and also lead to mortality post transpotation. As effort to minimize high metabolism during transportation was use bandotan leaf as nature antimetabolic so that we need to know how far bandotan effect to condition by digestibility and respiration of common carp fry during post transportation critical periode. The aim of this study was to know condition of common carp fry for 3 days post transportation by digestibility and respiration with bandotan leaf. This study used Complete Random Design. The treatment were A (water 0,5 l) B (bandotan leaf water dose 3,25 g/l) dan C (bandotan leaf water dose 4,5 g/l), each treatment with 6 replications. Primary parameter were digestibility (%) and respiration (time). Secondary parameter were mortality (%), and water quality (disolve oxygen, temperature, ammonia and pH). The result show that bandotan leaf was significantly influenced (p<0,05) to digestibility common carp (Cyprinus carpio) fry at 48 hour post transportion. Bandotan leaf significantly influenced (p<0,05) to respiration common carp (Cyprinus carpio) fry for 72 hour post transportion. Dose of bandotan leaf was 4,5 g/l could used to common carp fry transportation without mortality that was caused by change of digestibility and respiration response

Pathological and ecological host consequences of infection by an introduced fish parasite

The infection consequences of the introduced cestode fish parasite Bothriocephalus acheilognathi were studied in a cohort of wild, young-of-the-year common carp Cyprinus carpio that lacked co-evolution with the parasite. Within the cohort, parasite prevalence was 42% and parasite burdens were up to 12% body weight. Pathological changes within the intestinal tract of parasitized carp included distension of the gut wall, epithelial compression and degeneration, pressure necrosis and varied inflammatory changes. These were most pronounced in regions containing the largest proportion of mature proglottids. Although the body lengths of parasitized and non-parasitized fish were not significantly different, parasitized fish were of lower body condition and reduced weight compared to non-parasitized conspecifics. Stable isotope analysis (δ15N and δ13C) revealed trophic impacts associated with infection, particularly for δ15N where values for parasitized fish were significantly reduced as their parasite burden increased. In a controlled aquarium environment where the fish were fed ad libitum on an identical food source, there was no significant difference in values of δ15N and δ13C between parasitized and non-parasitized fish. The growth consequences remained, however, with parasitized fish growing significantly slower than non-parasitized fish, with their feeding rate (items s−1) also significantly lower. Thus, infection by an introduced parasite had multiple pathological, ecological and trophic impacts on a host with no experience of the parasite