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Studies on Sudden Fatalities Among Piglets Following Parenteral Iron Therapy

Studier över dödsfall hos spädgrisar i samband med parenteral järnterapi

Abstract

An investigation was carried out in order to clarify whether there is a correlation between the latent iron-binding capacity, UIBG, in the serum of suckling piglets and sudden fatalities occurring among these animals when they are treated with 250 mg trivalent iron in the form of a complex also containing dextrin, sorbitol, citric acid and lactic acid.

In all, 97 animals from 9 litters were used. By administering 100 mg oral divalent iron to 22 animals, the iron-binding capacity was saturated or appreciably reduced 3 hrs. after the oral treatment. After this time, the animals were treated with parenteral iron. Seventeen other animals were treated with 100 mg divalent iron and immediately afterwards with parenteral iron. Three hrs. later, the iron-binding capacity of the animals was exceeded. In 32 of the control animals, UIBG was high before the parenteral treatment. No fatalities were observed among the animals treated with parenteral iron.

Twenty-three of the animals had a high iron-binding capacity in spite of having diarrhoea. On parenteral treatment of these animals with the iron complex, no fatalities were observed which could be ascribed to the treatment.

The mechanism for the sudden fatalities among suckling piglets after parenteral administration of iron is discussed.

Sammanfattning

En undersökning har utförts med syfte att klarlägga om någon korrelation föreligger mellan den latenta järnbindande kapaciteten, UIBC, i serum hos spädgrisar och plötslig död hos dessa djur, då de behandlas med 250 mg trevärt järn i form av ett komplex även innehållande dextrin, sorbitol, citron- och mjölksyra.

Nittiosju djur fördelade på 9 kullar har använts. Genom att tillföra 100 mg 2-värt järn peroralt till 22 andra djur är den järnbindande kapaciteten mättad eller kraftigt reducerad 3 timmar efter den orala behandlingen. Vid denna tidpunkt har djuren behandlats med parenteralt järn. Sjutton andra djur behandlades med 100 mg 2-värt järn och omedelbart därefter med parenteralt järn. Tre timmar senare har djurens järnbindande kapacitet överskridits. Hos 32 av kontrolldjuren var UIBG hög före den parenterala behandlingen. Några dödsfall observerades ej hos de med parenteralt järn behandlade djuren.

Tjugotre av djuren hade trots diarré en hög järnbindande kapacitet. Vid parenteral behandling av dessa djur med järnkomplexet observerades inga dödsfall som kunde hänföras till behandlingen.

Mekanismen för plötslig död hos spädgrisar efter parenteral järntillförsel har diskuterats.

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Lindvall, S., Moberg, G. & Nordblom, B. Studies on Sudden Fatalities Among Piglets Following Parenteral Iron Therapy. Acta Vet Scand 13, 206–217 (1972). https://doi.org/10.1186/BF03548574

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  • DOI: https://doi.org/10.1186/BF03548574