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[Case Selection] A Case of Fish Disease Treatment Sharing
Release time:
2021-07-11
[Case Selection] A Case of Fish Disease Treatment Sharing
Case Details
Time: June 2021
Location: Xiqiao Town, Nanhai District, Foshan City, Guangdong Province
Breed: black fish, locally called raw fish
Cultivation area: 5 mu of water surface, 2.5 meters water depth
Water quality index: Ph 7.6 ammonia nitrogen 0.1 nitrite 0.3
About 150 die every day, and the death caused by Aeromonas Schubert was diagnosed after examination.
Treatment Scheme
The first day: Zhongren gold iodine 3 mu/bottle of double yellow essence 3 mu/bottle.
The next day: Zhongren No.2 1 mu/bottle.
Internal administration: 1 package of material is used in combination with bacteria inflammation, net bacteria must cure rifu, and 2 packages of material are used in each package of liver gallbladder kangtai.
Effect feedback
The mixture was taken orally for 4-5 days. On the 3rd day, the death rate decreased by more than half. On the 5th day, only sporadic dead fish could be seen. The farmers were satisfied with the results.
Case analysis
According to research, black fish infected with Schubert Aeromonas will not cause death when the water temperature is lower than 22 degrees. With the increase of water temperature, death will occur at 27-29 degrees. The specific symptoms are punctate or flaky hemorrhage on the body surface, red and swollen anus, dark red gills or a small amount of bleeding spots can be seen in anatomy, a large number of white spots in liver and kidney, large gallbladder cyst and empty intestine.
As both Aeromonas Schubert and Nocardii have white spots on the liver and kidneys, many people think it is Nocardii when they see white spots, resulting in missing the best treatment time. There are three differences between Aeromonas Schubert and Nocardii:
1. With regard to the manifestations of "rotten body" and "flower body", Aeromonas Schubert shows punctate and flaky hemorrhage, especially if punctate hemorrhage occurs in the abdomen of raw fish, it can be basically concluded that Aeromonas Schubert is aeromonas Schubert, while Nocci shows abscess and ulcerate and bleed to form a rotten body.
2. The white spots formed by Aeromonas Schubert on the liver are smooth to the touch, while the white spots caused by Noccaria can clearly feel convex.
There is a significant difference in the amount of raw fish deaths caused by the two diseases. Aeromonas Schubert usually kills 150 or more per day, while Noccaria usually does not exceed 30 when it first occurs.
This article contribution: Zuo Yunli Wang Juncheng
Reviewed and edited by: Xu Xiang
Editor-in-Chief: Zang Xueyun
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