In order to provide scientific basis for inspection of exported crawfish, the author, according to risk analysis principle of WHO/CAC, collects and analyzes the data of exported crawfish products inspection and the Residue Monitoring Plan on Animal and Animal Originated Foods of China to conduct a risk assessment on biological and chemical hazard of exported crawfish products.
This article briefly summarized that the resources condition,the cultivation prospect and the industrialization development of comprshensive utilization for the freshwater crayfish.
The pollution of its growing water area is the main source of chloramphenicol residue,while different water area gives different chloramphenicol pollution risk.
We used the ultra high pressure (UHP) to process the crayfish,recurring to the Box- Behnken experiment method to design and investigating the effect of the UHP cooperated with different temperature and time on the deadly ratio of Staphylococcus aureus,the model of which sterilized by UHP was built,the authors chose SPSS to analyze the experimental data,the relative coefficient of actual value to the predicted is 0.9912.
The effect of starvation on physiological and biochemical indicators of body, muscle and hepatopancreas were investigated for juvenile red swamp crawfish (Procambarus clarkii), and the results showed the effect was obvious.
This density-dependent regulatory mechanism may be of particular importance for rare or endangered species such as the northern crawfish frog, Rana areolata circulosa.
Experimental investigations were made of the influence of an external alternating voltage on the amplitude and heartbeat rate of Daphnia freshwater crayfish.
Adult freshwater crayfish, Austropotamobius pallipes, were maintained in the laboratory in such a way that mating, spawning, and maternal egg incubation took place under controlled conditions.