PMID: 12208307Sep 5, 2002

Blood chemistry in southern elephant seal mothers and pups during lactation reveals no effect of handling

Comparative Biochemistry and Physiology. Part A, Molecular & Integrative Physiology
Georg H EngelhardPeter J H Reijnders

Abstract

Serum clinical chemistry parameters were examined in lactating southern elephant seal Mirounga leonina mothers and their pups from the declining Macquarie Island population. There were significant changes in serum values from 2 to 21 days postpartum in both nursing mothers (increase: inorganic phosphate; decrease: creatinine, potassium, chloride, cholesterol, total protein, albumin, globulin, aspartate aminotransferase, creatine kinase) and suckling pups (increase: inorganic phosphate, globulin, cholesterol; decrease: albumin, alkaline phosphatase, gammaglutamyl transferase; increase followed by decrease: triglycerides, iron). We found no evidence that changes were due to chronic stress effects caused by repeated chemical immobilisations (mothers) or physical restraint (pups): at late lactation, clinical chemistry values were similar for mother-pup pairs of a control group (not handled previously), moderate treatment group (previously handled twice) and high treatment group (previously handled three to four times). We were not able to detect differences in clinical chemistry values between mother-pup pairs distributed over two areas differing in the frequency of human visits. The clinical chemistry values presented here can ser...Continue Reading

References

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May 31, 2002·Journal of Comparative Physiology. B, Biochemical, Systemic, and Environmental Physiology·Georg H EngelhardPeter J H Reijnders
Aug 30, 2006·Environmental Pollution·Dongli WangQing X Li

Citations

Jan 6, 2010·Journal of Comparative Physiology. A, Neuroethology, Sensory, Neural, and Behavioral Physiology·Robert Geoffrey HarcourtMark Hindell
Apr 30, 2015·Biological Reviews of the Cambridge Philosophical Society·Bernard W T Coetzee, Steven L Chown

Related Concepts

Animals, Suckling
Blood Chemical Analysis
Lactation, Prolonged
Physical Restraint
Phocidae

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