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Majeed, Zahid, Ajab, Zainab, Zuberi, Amina, Akhtar, Shamim, Muhammad, Ali. (1396). Meristic variations and skeletal deformities in natural population of mahseer fish, Tor putitora (Hamilton, 1822). سامانه مدیریت نشریات علمی, 17(1), 208-216. doi: 10.22092/ijfs.2018.115612
Zahid Majeed; Zainab Ajab; Amina Zuberi; Shamim Akhtar; Ali Muhammad. "Meristic variations and skeletal deformities in natural population of mahseer fish, Tor putitora (Hamilton, 1822)". سامانه مدیریت نشریات علمی, 17, 1, 1396, 208-216. doi: 10.22092/ijfs.2018.115612
Majeed, Zahid, Ajab, Zainab, Zuberi, Amina, Akhtar, Shamim, Muhammad, Ali. (1396). 'Meristic variations and skeletal deformities in natural population of mahseer fish, Tor putitora (Hamilton, 1822)', سامانه مدیریت نشریات علمی, 17(1), pp. 208-216. doi: 10.22092/ijfs.2018.115612
Majeed, Zahid, Ajab, Zainab, Zuberi, Amina, Akhtar, Shamim, Muhammad, Ali. Meristic variations and skeletal deformities in natural population of mahseer fish, Tor putitora (Hamilton, 1822). سامانه مدیریت نشریات علمی, 1396; 17(1): 208-216. doi: 10.22092/ijfs.2018.115612

Meristic variations and skeletal deformities in natural population of mahseer fish, Tor putitora (Hamilton, 1822)

Iranian Journal of Fisheries Sciences
مقاله 16، دوره 17، شماره 1، فروردین 2018، صفحه 208-216    اصل مقاله (272.12 K)
نوع مقاله: Research Paper
شناسه دیجیتال (DOI): 10.22092/ijfs.2018.115612
نویسندگان
Zahid Majeed* 1؛ Zainab Ajab2؛ Amina Zuberi2؛ Shamim Akhtar2؛ Ali Muhammad2
1Qauid-i-Azam University
2xx
چکیده
Skeletal deformities seriously relegate the biological performance of fish. The frequency of occurrence of different types of meristic variations and skeletal deformities were shown in population of Mahseer fish, Tor putitora, in two main reservoirs; Korang stream, Islamabad and Dhobi Ghat stream, Hassan Abdal. Total of ninety-five fishes were caught randomly, forty-five from the unpolluted Korang stream and fifty from the polluted Dhobi Ghat stream by cast nets from February to July, 2009. Radiographs and dry skeletal preparation techniques were used to record meristic variations and skeletal deformities and describe various types and frequency of appearance. Deformities were studied under categories, Highest Frequency of Occurrence (HFO), Normal Frequency of Occurrence (NFO) and Lowest Frequency of Occurrence (LFO). In the deformed fishes, significant (p<0.001) anomaly was noticed in nineteenth to twenty second and forty first to forty third (p<0.05) vertebrae of the vertebral column. Deformities scoliosis (C2, 5.26%), platyspondyly (C5, 11.27%), and abnormal neural spine (TC25, 13.53) were appeared to affect 70%, 60% and 50% of the deformed individuals, respectively. This study concluded that skeleton deformities in Tor putitora population in laundry waste water of Dhobi Ghat stream have relevance with detergent waste, as possible causative agent.
کلیدواژه‌ها
Meristic variations؛ Skeleton؛ Deformities؛ Tor putitora
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