Effects of cocoon incubation angle on hatching success of medicinal leeches (Hirudo spp.)

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dc.authoridKUCUKKARA, Ramazan/0000-0002-2554-7964
dc.authoridCEYLAN, Mustafa/0000-0002-3283-0637
dc.authoridKaratas, Emin/0000-0002-7483-6543
dc.contributor.authorCeylan, Mustafa
dc.contributor.authorKucukkara, Ramazan
dc.contributor.authorKaratas, Emin
dc.date.accessioned2025-03-23T19:35:13Z
dc.date.available2025-03-23T19:35:13Z
dc.date.issued2023
dc.departmentSinop Üniversitesi
dc.description.abstractProtocols for hirudiculture have not been fully established; many issues need to be investigated. The present study aimed to determine the effects of the cocoon incubation angle (CIA) on hatching success in hirudiculture, using leech species of Hirudo verbana. Cocoons were individually incubated in jars at three different angles, horizontally (0 & DEG;), angled (45 & DEG;), and vertically (90 & DEG;) for one month. The rot in cocoons, which was 17.5% in cocoons incubated horizontally, decreased gradually as the CIA increased, was 2.5% in cocoons incubated vertically. The average number of offspring obtained from cocoons increased as the CIA increased. The optimum CIA was determined to be 78.73 & DEG; and 60.63 & DEG; for the lowest rot in cocoons and the highest number of offspring, respectively. The present study revealed that although not statistically significant the CIA is a variable affecting the hatching success of medicinal leeches during the incubation period. This result is thought to be because the air ventilation inside the cocoons is more efficient in cocoons positioned at an angle or in a vertical position compared to cocoons incubated in a horizontal position. For profitable hirudiculture, we recommend that cocoons be positioned at an angle close to vertically, more than 60 & DEG; during incubation.
dc.identifier.doi10.1080/07924259.2023.2241418
dc.identifier.endpage128
dc.identifier.issn0792-4259
dc.identifier.issn2157-0272
dc.identifier.issue3-4
dc.identifier.scopus2-s2.0-85166014892
dc.identifier.scopusqualityQ3
dc.identifier.startpage121
dc.identifier.urihttps://doi.org/10.1080/07924259.2023.2241418
dc.identifier.urihttps://hdl.handle.net/11486/5816
dc.identifier.volume67
dc.identifier.wosWOS:001034593200001
dc.identifier.wosqualityQ4
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherTaylor & Francis Ltd
dc.relation.ispartofInvertebrate Reproduction & Development
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_WOS_20250323
dc.subjectHirudiculture
dc.subjectrot in cocoons
dc.subjectoffspring
dc.subjectcocoon ventilation
dc.subject>
dc.titleEffects of cocoon incubation angle on hatching success of medicinal leeches (Hirudo spp.)
dc.typeArticle

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