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Myoelectrical activity of gastric antrum in conscious piglets around weaning

Biomedical Sciences Research Institute Computer Science Research Institute Environmental Sciences Research Institute Nanotechnology & Advanced Materials Research Institute

Naughton (nee Lesniewska), Violetta, Laerke, HN, Hedemann, MS, Jensen, BB, Hojsgaard, S and Pierzynowski, SG (2000) Myoelectrical activity of gastric antrum in conscious piglets around weaning. CANADIAN JOURNAL OF ANIMAL SCIENCE, 80 (4). pp. 577-584. [Journal article]

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Abstract

We investigated gastric myoelectrical activity in piglets around weaning. The study was carried out on the same piglets before and after weaning. Before weaning, the piglets were kept with their littermates and nursed by the sow, then they were weaned on solid dry food (standard concentrate for weaning pigs) and fed three times a day. Gastric myoelectrical activity was recorded in conscious animals using bipolar electrodes implanted on the wall of the terminal antrum. A cyclic activity pattern of the antral region in the stomach was present in both suckling and weaned piglets and consisted of quiescence and an activity phase. Sow's milk under nursing conditions significantly decreased the frequency of response potentials in ERA (electrical response activity). However, milk did not influence the basic electrical rhythm (BER) i.e., frequency of ECA (electrical control activity) and did not affect the periodicity of the cyclical activity. After weaning, ingestion of solid feed increased the BER, the frequency of ERA and the frequency of response potentials of ERA and slightly affected the periodicity of the cyclical activity.

Item Type:Journal article
Faculties and Schools:Faculty of Life and Health Sciences
Faculty of Life and Health Sciences > School of Biomedical Sciences
Research Institutes and Groups:Biomedical Sciences Research Institute
Biomedical Sciences Research Institute > Northern Ireland Centre for Food and Health (NICHE)
ID Code:4159
Deposited By:Dr Violetta Naughton
Deposited On:13 Jan 2010 11:45
Last Modified:01 Nov 2011 10:16

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