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A Hematologic and Blood Chemical Study of Swedish Purchased Calves
En hematologisk och blodkemisk undersökning på svenska förmedlingskalvar
Acta Veterinaria Scandinavica volume 16, pages 170–177 (1975)
Abstract
The hemoglobin (Hb), packed cell volume (PCV), erythrocytes (R.G.), serum iron (SI) and unsaturated iron binding capacity (UIBG) were examined in a total of 386 purchased calves for the duration of 1 year. The calves were tested within 3 days of arrival at the buyer’s herd. The average age of the calves was 28 ± 10 days (\(\overline {\rm{x}} \pm {\rm{s}}\)).
The results may be summarized as follows:
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1.
Approx. 35% of the calves had Hb values ≦ 10.0 g/100 ml.
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2.
Fifteen% of the calves had ≦ 6.0 × 106 R.C. per µl.
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3.
Fifty-three calves or about 14% showed SI values ≦ 40 µg/100 ml and 131 calves or 34% ≦ 80 µg/100 ml.
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4.
Twenty-seven % of the calves had UIBG values > 501 µg/100 ml.
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5.
Almost half the calves (48%) had a saturation percentage of transferrin with iron below 20% and 138 calves (36%) below 15%.
These figures among others in the study indicate that 13–35% of the purchased calves suffered from iron deficiency anemia.
Sammanfattning
Hemoglobin, hematokrit, erytrocyter, serumjärn och omättad järnbindande kapacitet undersöktes totalt på 386 förmedlingkalvar under ett år. Blodprov togs på kalvarna inom tre dagar efter ankomsten till köparbesättningen. Medelåldern på kalvarna var 28 ± 10 dagar (\(\overline {\rm{x}} \pm {\rm{s}}\)). Resultaten kan sammanfattas enligt nedanstàende:
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1.
Cirka 35% av kalvarna hade hemoglobinvärden ≦ 10.0 g/100 ml.
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2.
Femton% av kalvarna hade ≦ 6,0 × 106 erytrocyter per µl.
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3.
Fyrtiotre kalvar eller cirka 14% hade serumjärnvärden ≦ 40 µg/100 ml och 131 kalvar eller 34% ≦ 80 µg/100 ml.
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4.
Tjugosju % av kalvarna hade en omättad järnbindande kapacitet > 501 µg/100 ml.
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5.
Hos nästan hälften av kalvarna (48%) var procenten järnbundet transferrin lägre än 20% och hos 138 kalvar (36%) under 15%.
Dessa resultat tillsammans med övriga som redovisas i undersökningen visar att 13–35% av förmedlingskalvarna hade en järnbristanemi vid förmedlingstillfället.
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Möllerberg, L. A Hematologic and Blood Chemical Study of Swedish Purchased Calves. Acta Vet Scand 16, 170–177 (1975). https://doi.org/10.1186/BF03546671
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DOI: https://doi.org/10.1186/BF03546671