Analysis of several serum enzymes and blood urea nitrogen of swainsonine–HSA immunized goats |
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Authors: | Dewen Tong Jinyi Wang Peihong Mu Qiang Dong Baoyu Zhao Wenming Liu Jun Zhao Li Li Tao Zhou |
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Institution: | aCollege of Animal Science and Technology, Northwest A & F University, Yangling, Shananxi 712100, PR China;bCenter of Micro Total Analysis and Nanotechnology, College of Science, Northwest A & F University, Yangling, Shananxi 712100, PR China;cDepartment of Molecular & Medical Pharmacology, David Geffen School of Medicine at UCLA, 700 Westwood Plaza, Los Angeles, CA 90095, United States |
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Abstract: | Locoweeds cause significant livestock poisoning and economic loss all over the world. The purpose of this study was to evaluate the immune effect of locoweed toxin, swainsonine (SW), and human serum albumin (HSA) immunoconjugate (SW–HSA) on goats. Twenty four Sannon goats were randomly separated into immune control group, immune poisoning group I, immune poisoning group II and poisoning control group. Immune control group, immune poisoning group I and II were first vaccinated with SW–HSA immunoconjugate. Then, the poisoning control group, immune poisoning group I and II were fed with 10.0 g/kg BW/d dry powder of Oxytropis kansuensis Bunge in every morning and the duration of poisoning was 80 days. The immune control group was supplied with an alfalfa-based diet. Blood samples of these experimental animals were collected every 7 days after poisoning, and the serum enzymes α-mannosidase (AMA), lactate dehydrogenase (LDH), alkaline phosphatase (AKP), aspartate aminotransferase (AST), alanine aminotransferase (ALT) and blood urea nitrogen (BUN) were analyzed. Comparing with the poisoning control group, the changes of serum LDH, AKP, AST, AMA and BUN level of the two immune groups (I and II) were delayed 28, 14, 28, 21, 14 days, respectively, which indicated that SW–HSA immunoconjugate could prevent tissues containing BUN and these serum enzymes of the experimental animals from Oxytropis kansuensis Bunge injuring during these days. In the whole study, SW–HSA immunoconjugate and swainsonine did not influence serum ALT levels of the experimental goats. |
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Keywords: | Serum enzyme Blood urea nitrogen Goat Swainsonine SW– HSA immunoconjugate Locoweed Oxytropis kansuensis Bunge |
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