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Nursing Anemia in Mink
Säuglingsanämie beim Nerz.
Nursing anemia in mink.
Acta Veterinaria Scandinavica volume 2, pages 236–245 (1961)
Summary
Nursing anemia in mink has been induced experimentally through feeding with raw coalfish. The experiments were carried out during the period from December to the end of June, involving 85 females and 273 kittens, divided into four groups which were given the same basal diet. Animals which were fed with raw coalfish in addition to the basal diet, developed a high degree of anemia, which also manifested itself by the extremely low values of hemoglobin and hematocrite which were recorded.
The anemia was partly checked when Fe was added to the diet. Only when boiled coalfish was used, did the blood values reach the same level as that of the control group which was fed with tripe in addition to the basal diet. The females of the group receiving raw coalfish lost weight and their litters grew poorly and showed a high rate of mortality. Female mink fed with boiled coalfish or tripe gained in weight during the lactation period. Their kits showed good growth and mortality was low.
A statistical evaluation of the recorded values for hemoglobin, hematocrite and live weights in the experimental animals revealed highly significant difference between the various groups.
Zusammenfassung
Säuglingsanämie beim Nerz wurde experimentell durch Fütterung mit rohem Kohlfisch hervorgerufen. Der Versuch wurde in der Zeit vom Dezember bis zum 1. Juli ausgeführt und umfasste 85 erwachsene Weibchen und 273 Welpen, auf vier Gruppen mit dem gleichen Grundfutter verteilt. Bei den Tieren der Gruppe 1, die Grundfutter und rohen Kohlfisch erhielten, entwickelte sich eine ausgeprägte Anämie sowohl bei den erwachsenen Weibchen als auch bei den Welpen. Durch Zuschuss von Eisensulfat besserte sich die Anämie etwas. Erst bei Verfütterung gekochten Kohlfisches lagen die Blutwerte bei den Tieren auf dem gleichen Niveau wie bei den Nerzen der Kontrollgruppe, die mit Grundfutter und Schlachtabfall gefüttert worden waren. In der Gruppe roher Kohlfisch zeigten die erwachsenen Weibchen Abnahme des Gewichts, die Welpen schlechtes Wachstum und grosse Mortalität. Bei Fütterung mit gekochtem Fisch oder Schlachtabfall nahmen die erwachsenen Weibchen in der Laktationsperiode an Gewicht zu, die Welpen zeigten gutes Wachstum, und die Mortalität war gering. Die gefundenen Werte zeigten einen stark signifikanten Unterschied zwischen den Gruppen.
Sammanfattning
Nursing anemia in mink er fremkalt eksperimentelt ved foring med rå sei. Forsøket ble utført i tiden desember til 1. juli og omfattet 85 tisper og 273 hvalper, fordelt på fire grupper, hvor dyrene fikk samme grunnfor. Hos dyrene i gruppe 1 som fikk grunnfor og rå sei, utviklet det seg en utpreget anemi både hos tisper og hvalper. Ved å gi tilskudd av jernsulfat, bedret anemien seg noe. Først når man nyttet kokt sei, lå blodverdiene hos dyrene på samme nivå som i kontrollgruppen, hvor det ble foret med grunnfor og slakteavfall. I gruppen rå sei gikk tispene ned i vekt, hvalpene vokste dårlig, og det var stor hvalpedødlighet. Hvor det ble foret med kokt fisk eller slakteavfall, øket tispene i vekt i laktasjonsperioden, hvalpene hadde god vekst, og det var liten dødlighet. De fundne verdier viste høy signifikant forskjell gruppene i mellom.
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Helgebostad, A., Ender, F. Nursing Anemia in Mink. Acta Vet Scand 2, 236–245 (1961). https://doi.org/10.1186/BF03547346
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DOI: https://doi.org/10.1186/BF03547346