Isolation, identification and control of rabbit epidemic abdominal distension

doi:10.3969/j.issn.1004-1524.2021.11.05

Acta Agriculturae Zhejiangensis ›› 2021, Vol. 33 ›› Issue (11): 2034-2040.DOI: 10.3969/j.issn.1004-1524.2021.11.05

• Animal Science • Previous Articles Next Articles

Isolation, identification and control of rabbit epidemic abdominal distension

JI Quan’an(), LIU Yan, XIAO Chenwen, HUANG Ye’e, LI Ke, WEI Qiang, BAO Guolian^*()

Institute of Animal Husbandry and Veterinary Science, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, China

Received:2021-03-15 Online:2021-11-25 Published:2021-11-26
Contact: BAO Guolian

Abstract

Abstract:

In order to effectively control the spread of epidemic abdominal distension in rabbits, epidemiological investigation and laboratory differential diagnosis technology were applied in the present study. Pathogen detection was carried out on 112 cases of 40-90-d-old diseased rabbits. Among them, Escherichia coli and Clostridium welchii were isolated and identified from 78 and 69 diseased rabbits, respectively. The pathogenic characteristics test showed that these two species were the main pathogens of epidemic abdominal distension in rabbits. The clinical control trials of lysozyme were carried out in 3 rabbit farms suffering from epidemic abdominal distension. It was shown that either the incidence rate in the prevention trial or the mortality rate in the control trial was lowered by 50 percentage points in the treatment group than that in the control group. The results indicated that lysozyme could prevent and treat the disease, hence effectively curb the spread of the disease. Therefore, it could be used as the substitution of antibiotics. These findings provided scientific basis for the prevention and treatment of rabbit epidemic abdominal distension.

Key words: rabbit, epidemic abdominal distension, bacterial isolation, lysozyme

CLC Number:

S858.291

JI Quan’an, LIU Yan, XIAO Chenwen, HUANG Ye’e, LI Ke, WEI Qiang, BAO Guolian. Isolation, identification and control of rabbit epidemic abdominal distension[J]. Acta Agriculturae Zhejiangensis, 2021, 33(11): 2034-2040.

Figures/Tables 6

References 21

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指标 Index	LH	JS	FY	合计 Total
患病兔数Number of sick rabbits	41	38	33	112
大肠埃希菌分离数	29	26	23	78
Number of Escherichia coli infection
魏氏梭菌分离数	25	23	21	69
Number of Clostridium welchii infection
混合感染分离数	24	21	17	62
Number of mixed infection
球虫感染分离数	3	2	1	6
Number of coccidiosis infection
未定型杂菌分离数	2	1	1	4
Number of unformed bacteria infection

指标 Index	LH	JS	FY	合计 Total
患病兔数Number of sick rabbits	41	38	33	112
大肠埃希菌分离数	29	26	23	78
Number of Escherichia coli infection
魏氏梭菌分离数	25	23	21	69
Number of Clostridium welchii infection
混合感染分离数	24	21	17	62
Number of mixed infection
球虫感染分离数	3	2	1	6
Number of coccidiosis infection
未定型杂菌分离数	2	1	1	4
Number of unformed bacteria infection

试验地 Test site	组别 Group	预防数 Prevention number	发病数 Number of case	发病率 Incidence rate/%
LH	预防组Prevention group	45	6	13.3
	对照组Control group	45	29	64.4
JS	预防组Prevention group	45	4	8.9
	对照组Control group	45	27	60.0
FY	预防组Prevention group	45	2	4.4
	对照组Control group	45	25	55.6

试验地 Test site	组别 Group	预防数 Prevention number	发病数 Number of case	发病率 Incidence rate/%
LH	预防组Prevention group	45	6	13.3
	对照组Control group	45	29	64.4
JS	预防组Prevention group	45	4	8.9
	对照组Control group	45	27	60.0
FY	预防组Prevention group	45	2	4.4
	对照组Control group	45	25	55.6

试验地 Test site	组别 Group	患病数 Number of cases	病死数 Number of deaths	病死率 Mortality rate/%
LH	治疗组Treatment group	45	7	15.6
	对照组Control group	45	42	93.3
JS	预防组Prevention group	45	5	11.1
	对照组Control group	45	40	88.9
FY	预防组Prevention group	45	3	6.7
	对照组Control group	45	38	84.4

Isolation, identification and control of rabbit epidemic abdominal distension

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