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* Loss of habitat * Increase or decrease in number of lurking predators * Death or primary sire to the herd * Mass ingestion of toxic plants causing abortion (ie cattle eating macrocapra tree trimmings) * Other abortive disease (ie camplyobacta, toxoplasmosis, brucellosis etc) * Sudden boost or decline in available feed &/or feed quality * Lack of water to name a few...

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15y ago

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