Distribution and Identification of the Parasitic Nematode Contracaecum spp. in Planiliza Abu (Heckel, 1843: Mugiliformes, Mugilidae) From Razzaza Lake, Karbala Province, Iraq

Year 2022, Volume: 3 Issue: 2, 40 - 46, 30.12.2022

Marwa Jawad , Zahraa Mohammed Ridha , Firas Alali , Saeed El-ashram , Asaad Sh. M. Alhesnawi

Abstract

The Anisakidae family's most important genus, Contracaecum, contains various host species participating in their life cycles and considerably negatively influencing humans' health. Planiliza abu specimens from the local market in Karbala, Iraq, were examined for Contracaecum spp. in the abdominal cavity. A survey on parasites of Planiliza abu of Razzaza Lake was carried out over three years, from November 2019 to December 2021. A total of 148 fish were collected and tested for infection in 2019, 277 in 2020, and 577 in 2021. The prevalence in November and December 2019 was 48.73%, 65.08% in 2020, and 9.6% in 2021, respectively. Microscopically, it revealed larval type Contracaecum L3 (only in all fish). Baghdad University's Iraq Natural History Research Center and Museum confirmed the parasite as Contracaecum spp. infection rates were greatest in January and February and lowest in July and August 2021. Regarding thirdstage larvae, female fish (n=25) had a higher infection rate than male fish (n=8), with 40 and 18, respectively. This study showed that industrial pollution, human activity, and seasonal patterns all influenced infection rates. The molecular diagnosis of Contracaecum spp. in different hosts is very important for studying their population ecology and biology, and this should be looked into in future studies

Keywords

contracaecum spp., light microscopic examination, planiliza abu, risk factors, : Contracaecum spp., Işık mikroskobik inceleme, Risk faktörleri

Irak, Kerbela Eyaleti Razzaza Gölü’ndeki Planiliza Abu’da (Heckel, 1843: Mugiliformes, Mugilidae) Parazitik Nematod Contracaecum spp’nin Dağılımı ve Tanımlanması

Abstract

Anisakidae familyasının en önemli cinsi olan Contracaecum, yaşam döngülerine katılan ve insan sağlığını önemli ölçüde olumsuz etkileyen çeşitli konukçu türleri içerir. Irak Kerbala’daki yerel pazardan alınan Planiliza abu örnekleri Contracaecum spp. karın boşluğunda. Razzaza Gölü’ndeki Planiliza abu parazitleri üzerine Kasım 2019’dan Aralık 2021’e kadar üç yıl boyunca bir anket yapıldı. 2019’da 148, 2020’de 277 ve 2021’de 577 balık toplandı ve enfeksiyon için test edildi. Prevalans sırasıyla, Kasım ve Aralık 2019’da %48.73, 2020’de, %65.08 ve 2021’de %9.6 idi. Mikroskobik olarak, larva tipi Contracaecum L3’ü ortaya çıkardı (sadece tüm balıklarda). Bağdat Üniversitesi Irak Doğa Tarihi Araştırma Merkezi ve Müzesi, parazitin Contracaecum spp olduğunu doğruladı. Enfeksiyon oranları Ocak ve Şubat aylarında en yüksek, Temmuz ve Ağustos 2021’de en düşüktü. Üçüncü aşama larvalarla ilgili olarak, dişi balıklarda (n=25), erkek balıklardan (n=8) (sırasıyla 40 ve 18) daha yüksek bir enfeksiyon oranına sahipti. Bu çalışma endüstriyel kirlilik, insan faaliyetleri ve mevsimsel kalıpların hepsinin enfeksiyon oranlarını etkilediğini gösterdi. Contracaecum spp.’nin moleküler teşhisi farklı konaklarda popülasyon ekolojilerini ve biyolojilerini incelemek için çok önemlidir ve gelecekteki çalışmalarda incelenmelidir.

Keywords

contracaecum spp., light microscopic examination, planiliza abu, Risk factors, : Contracaecum spp., Işık mikroskobik inceleme, Risk faktörleri

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