Age-Related Serum Biochemical Reference Intervals Established for Unweaned Calves and Piglets in the Post-weaning Period
Data de publicació2019-04-24
The purpose of the present study is to establish the influence of age on serum biochemistry reference intervals (RIs) for unweaned calves and recently-weaned piglets using large number of animals sampled at different ages from populations under different season trials. Specifically, milk replacer (MR)-fed calves from April–July 2017 (n = 60); from December 2016–March 2017 (n = 76) and from April–August 2018 (n = 57) and one group of healthy weaned piglets (n = 72) were subjected to the study. Serum enzymes and metabolites of calves at age of 24 h (24 h after colostrum intake), 2, 5, and 7 weeks from merged trials and piglets at 0, 7, and 14 days post-weaning (at 21, 28, and 35 days of age) were studied. The main variable is age whereas no major trial- or sex-biased differences were noticed. In calves, ALT, AST, GGT, GPx, SOD, NEFAs, triglycerides, glucose, creatinine, total protein, and urea were greatly elevated (p < 0.001) at 24 h compared with other ages; glucose, creatinine, total protein, and urea constantly decreased through the age; cholesterol's lowest level (p < 0.001) was found in 24 h compared with other ages and the levels of haptoglobin remained unchanged (p > 0.1) during the study. In comparison with the adult RIs, creatinine from 24 h, NEFAs from 2 w, GGT from 5 w, and urea from 7 w are fully comparable with RIs or lie within RIs determined for adult. In piglets, no changes were noticed on glucose (p > 0.1) and haptoglobin (p > 0.1) and there were no major changes on hepatic enzymes (ALT, AST, and GGT), total protein, creatinine and urea even though several statistical differences were noticed on 7 days post-weaning. Cholesterol, triglycerides, NEFAs, cortisol and PigMAP were found increased (p < 0.05) while TNF-alpha was found less concentrated (p < 0.001) at 0 days post-weaning compared with other times. Moreover, the RIs of creatinine and GGT are fully comparable with RIs or lie within RIs determined for adult. In conclusion, clinical biochemistry analytes RIs were established for unweaned calves and recently-weaned piglets and among them some can vary at different ages.
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636 - Explotació i cria d'animals. Cria del bestiar i d'animals domèstics
Frontiers in Veterinary Science
Yu, Kuai, Francesca Canalias, David Solà-Oriol, Laura Arroyo, Raquel Pato, Yolanda Saco, Marta Terré, and Anna Bassols. 2019. "Age-Related Serum Biochemical Reference Intervals Established For Unweaned Calves And Piglets In The Post-Weaning Period". Frontiers In Veterinary Science 6. Frontiers Media SA. doi:10.3389/fvets.2019.00123.
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INIA/Programa Estatal de fomento de la investigación científica y técnica de excel·lència/AGL2015-68463-C2-1-P/ES/DETERMINACION DE LOS AMINOACIDOS LIMITANTES PARA EL CRECIMIENTO DE LOS TERNEROS AMAMANTADOS Y SU FUNCIONALIDAD/
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