GB/T 33116-2016 in English
VALIDQuarantine and Identification of Acusta Despecta
- Issued on:2016-10-13
- Implemented on:2017-05-01
- File Format:PDF
- Delivery:Via email within 1~3 business days
$214.00
《GB/T 33116-2016琉球球壳蜗牛检疫鉴定方法》由TC271（全国植物检疫标准化技术委员会）归口，主管部门为国家标准化管理委员会。
Introduction
Interpretation of GB/T33116—2016 "Quarantine and Identification Methods for Ryukyu Ball Shell Snails"
| Standard Dimensions | On-site Testing Requirements | Laboratory Identification Steps | Molecular-Assisted Identification |
|---|---|---|---|
| Detection Objects | Ryukyu Ball Shell Snails and Their Eggs That May Be Carried in Transport Vehicles, Cargo Surfaces, and Soil Samples | Shell Morphological Analysis, Observation of Soft Body Anatomy Characteristics | COI Gene Sequence Comparison (Similarity ≥92%) |
| Detection Methods | Visual inspection combined with flashlight to assist in finding snail traces; soil screening to check for eggs or young snails | Measure shell size with a stereo microscope and dissect the reproductive system structure | PCR amplification and gene sequencing |
| Test basis | Routine quarantine specification for molluscs (SN/T3067) | Morphological identification feature table | COI gene sequence database comparison |
Explanation of professional terms and practical application cases
Operma:The milky white mucus membrane used by snails to close the shell mouth, often used to determine whether the snail exists.
Penis:The male reproductive organ, which has important characteristics in anatomical identification.
Sagittal sac:The muscular sac-like structure in the female reproductive system, which contains bone needles (love arrows) and is used for classification and identification.
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