Abstract
The objective of this research was conducted to study heavy metals content of Cadmium (Cd) and Plumbo (Pb) in cultivation rearing of milkfish ( Chanos chanos ) in fishpond at Kalanganyar Sidoarjo towards the effect of histopathological gills, heart, and kidney of milkfish. Research and sampling of water and milkfish carried out in the Kalanganyar village of Sedati District, Sidoarjo. The method used was descriptive method. Data was analyzed by ANOVA, LSD, and regression analysis based on the value of scoring. The result of the research showed that the water conten of Cd was <0,0024 mg/L and Pb was <0,0044 mg/L. And in sediment content of Cd was 1,079 mg/L and Pb was undetected. The result of histopatological investigatiaon of milkfish organs showed that: 1. Gills demage was hyperplasia, fusion and necrosis. 2. Hepar demage was hipertropy, kongesti, and cells degeneration. 3. Kidney demage was atrophy, cloudy swelling and glomerular hyalinization. The results of water quality investigation was temperature: 29,2 o C; pH: 7,5; DO: 6,2 mg/L; and salinity: 17,8 ppt. Keywords : Histopatology, Gill, Heart, Kidney, Milkfish, Heavy metals Cd and Pb.
Highlights
PENDAHULUANKabupaten yang berbatasan langsung dan merupakan kawasan penyangga pengembangan industri kota Surabaya.
Pencemaran yang disebabkan oleh limbah industri sebagian besar adalah pencemaran logam berat khususnya CD dan Pb. Berbagai hasil penelitian sebelumnya melaporkan berbagai kerusakan histopatologi hewan air (Sanusi et al, 1984; Palar, 1994; Darmono, 2001).
Pada kasus pencemaran industri di kawasan tersebut maka peneliti merasa ingin mengkaji status pencemaran air dan sedimen di kawasan tersebut dikaji terhadap gambaran histopatologi insang, hati dan ginjal ikan bandeng (Chanos chanos) yang dipelihara di tambak di kawasan perairan pantai, khususnya di kawasan pantai di Desa Kalanganyar, Kecamatan Sedati, Kabupaten Sidoarjo tersebut.
Summary
Kabupaten yang berbatasan langsung dan merupakan kawasan penyangga pengembangan industri kota Surabaya. Pencemaran yang disebabkan oleh limbah industri sebagian besar adalah pencemaran logam berat khususnya CD dan Pb. Berbagai hasil penelitian sebelumnya melaporkan berbagai kerusakan histopatologi hewan air (Sanusi et al, 1984; Palar, 1994; Darmono, 2001). Pada kasus pencemaran industri di kawasan tersebut maka peneliti merasa ingin mengkaji status pencemaran air dan sedimen di kawasan tersebut dikaji terhadap gambaran histopatologi insang, hati dan ginjal ikan bandeng (Chanos chanos) yang dipelihara di tambak di kawasan perairan pantai, khususnya di kawasan pantai di Desa Kalanganyar, Kecamatan Sedati, Kabupaten Sidoarjo tersebut. Dan sedimen tambak di Desa Kalanganyar terhadap kondisi hispatologi organ insang, hati dan ginjal ikan bandeng. Metode deskriptif memusatkan perhatian pada masalahmasalah aktual (sekarang) berdasarkan pengumpulan data dan fakta, untuk meramalkan hubungan antara variabel (Anita et al, 2012)
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