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Prevention of Milk Fever (Hypocalcemic Paresis Puerperalis) by Dietary Salt Supplements
Forebyggelse av melkefeber ved tilskudd av salter til fôret
Acta Veterinaria Scandinavica volume 16, pages 503–512 (1975)
Abstract
Twelve cows of 14 given a basic diet supplemented with Na2GO3 and NaHCO3 during four weeks pre partum and one week past partum were attacked by milk fever (hypocalcemic paresis puerperalis), while 12 cows of 13 receiving the same basic diet supplemented with sulfates and chlorides remained healthy. A mixture of CaCl2, Al2(SO4)3 and MgSO4 was found to be a convenient prophyllactic supplement.
It was found possible to induce and prevent milk fever at successive parturitions in the same cow by altering the dietary conditions.
The data give further support to the hypothesis that the alkali alkalinity of the diet is the major factor in induction or prevention of milk fever.
Sammendrag
Tolv av fjorten kuer som fikk grunnfôr (Tabell 1) med tilskudd av Na2CO3 og NaHCO3 til alkali alkalitet > + 3000 meq./dag fra 3–4 uker før til 7 dager etter partus, ble angrepet av melkefeber (hypokalsemisk paresis puerperalis) (Tabell 3), mens tolv av tretten kuer som fikk samme fôr med tilskudd av sulfater og klorider til alkali alkalitet <g−250 meq. hadde friske kalvinger (Tabell 5). Flere tilskudd ble prøvet, men blanding av GaCl2, A12(SO4)3 og MgSO4 løst i vann og tilsatt stråfôret hver for seg er funnet å være dot beste profylaktiske tilskudd. Melkefeberinduserende för (Dishington 1974) ble gitt i 2 måneder før fôromlegning og salttilskudd.
Det er vist at samme ku vekselvis kan påføres og beskyttes mot melkefeber ved flere på hverandre følgende kalvinger ved at fôrets alkali alkalitet forandres (Tabell 6).
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Dishington, I.W. Prevention of Milk Fever (Hypocalcemic Paresis Puerperalis) by Dietary Salt Supplements. Acta Vet Scand 16, 503–512 (1975). https://doi.org/10.1186/BF03546643
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DOI: https://doi.org/10.1186/BF03546643