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ConsequĂȘncias Da Hipocalcemia SubclĂnica Em Bovinos Leiteiros
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Abstract(s)
Este artigo de revisĂŁo aborda a hipocalcemia subclĂnica em vacas leiteiras, destacando a falta de
consenso nos protocolos de amostragem e critĂ©rios de classificação, o que pode explicar divergĂȘncias
nos resultados. Esta condição tem impacto significativo na produtividade e saĂșde dos animais e
encontra-se associada a vĂĄrias patologias pĂłs-parto. Existem diferentes tipos de hipocalcemia
subclĂnica, sendo a transitĂłria, a retardada e a persistente, com diferentes implicaçÔes para a saĂșde.
A hipocalcemia subclĂnica pode ser fisiolĂłgica no perĂodo pĂłs-parto precoce, mas torna-se patolĂłgica
se persistente ou crĂłnica, indicando falhas na homeostasia do cĂĄlcio. A imunodepressĂŁo associada Ă
hipocalcemia subclĂnica afeta a função dos neutrĂłfilos, destacando a importĂąncia do cĂĄlcio na
ativação do sistema imunitĂĄrio. EstratĂ©gias nutricionais e de saĂșde, como dietas com diferença
catião-anião (DCAD) negativa e suplementação de cålcio ou vitamina D, podem ajudar a reduzir o
risco e a prevalĂȘncia da hipocalcemia subclĂnica. No entanto, sĂŁo necessĂĄrias mais pesquisas para
melhorar os métodos de amostragem e compreender as correlaçÔes entre esta condição e outras
patologias.
This review discusses subclinical hypocalcaemia in dairy cows, highlighting the lack of consensus on sampling protocols and classification criteria, which may explain the differences in results. This condition has a significant impact on productivity, animal health and is associated with various postpartum diseases. There are different types of subclinical hypocalcaemia: temporary, delayed, and persistent, with different health effects. Subclinical hypocalcaemia can be physiological at the beginning of the postpartum period, but becomes pathological if it persists or continues, indicating failure of calcium homeostasis. The Immunodepression associated with subclinical hypocalcaemia impairs neutrophil function, underlining the importance of calcium in activating the immune system. Food and health strategies such as acidic diet and calcium or vitamin D supplements can help reduce the risk and prevalence of subclinical hypocalcaemia. However, further research is needed to improve sampling methods and to understand the relationship between this condition and other pathologies.
This review discusses subclinical hypocalcaemia in dairy cows, highlighting the lack of consensus on sampling protocols and classification criteria, which may explain the differences in results. This condition has a significant impact on productivity, animal health and is associated with various postpartum diseases. There are different types of subclinical hypocalcaemia: temporary, delayed, and persistent, with different health effects. Subclinical hypocalcaemia can be physiological at the beginning of the postpartum period, but becomes pathological if it persists or continues, indicating failure of calcium homeostasis. The Immunodepression associated with subclinical hypocalcaemia impairs neutrophil function, underlining the importance of calcium in activating the immune system. Food and health strategies such as acidic diet and calcium or vitamin D supplements can help reduce the risk and prevalence of subclinical hypocalcaemia. However, further research is needed to improve sampling methods and to understand the relationship between this condition and other pathologies.
Description
Keywords
Hipocalcemia SubclĂnica Vacas Leiteiras Patologias PĂłs-Parto CĂĄlcio Subclinical Hypocalcemia Dairy Cows Postpartum Pathologies Calcium