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Comparison of adjuvant (Montanide™ ISA 763 AVG) and licorice extract (Glycyrrhiza glabra) impacts on the growth performances and survival of rainbow trout vaccinated with lactococcosis vaccine
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Ladan Zaheri abdevaqnd   , Mehdi Soltani * , Shafigh Shafiei |
| Department of Aquatic Animal Health, Faculty of Veterinary Medicine, University of Tehran, Tehran, Iran |
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Abstract: (1035 Views) |
| The aim of this study was Comparison of adjuvant (Montanide™ ISA 763 AVG) and licorice extract (Glycyrrhiza glabra) impacts on the growth performances and survival of rainbow trout vaccinated with lactococcosis vaccine. For this purpose, rainbow trout with an average initial weight of 72±3 g with four experimental treatments including control, vaccine, vaccine with Montanid safety vaccine and vaccine with licorice extract and each treatment containing 30 fish in 3 repetitions in 12 tanks 1,000liter was divided into a closed-circuit breeding system, and after adapting to the new conditions, the midwives first received the vaccine for 24 hours and after anesthesia with clove essential oil by intraperitoneal vaccine or vaccine containing immunosuppression and herbal extract. The fish were then fed for 8 weeks with extruded food faradaeneh and according to the factory's instructions. At the end of the period, growth indicators were analyzed by anesthesia and biometrics and the survival rate was determined. The highest final weight was (102.07±2.49 g and 100.47±3.27 g), respectively, for vaccine-containing montanide and vaccine-containing licorice extracts (P<0.05), respectively. Also, the highest percentage of survival in the vaccine group contained Montanid immunosuppression (96.66±3.33%) and the lowest rate in the control group (20±2%). The results of this study showed that the addition of Montanid's safety aid and licorice extract did not have a negative effect on salivary growth index, while improving some of these characteristics. |
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| Keywords: rainbow trout, vaccine, Montanide, Glycyrrhiza glabra |
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Full-Text [PDF 838 kb]
(276 Downloads)
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Type of Study: Research |
Subject:
Special
Received: 2020/07/3 | Accepted: 2020/10/17 | Published: 2021/12/31
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