Though airborne fluorides do not attack animals directly , but when they eat fluoride containing crops continuously , symptoms of fluorosis appear . Animal fluorosis manifests itself by mottling , staining and pitting . of incisor teeth . Cattle and sheep are most frequently affected , though horses and poultry seem to have a high resistance to fluorides . हालांकि हवा में मऋजूद फ्लुओराइड जानवरों को सीधे प्रभावित नहीं करता है , परंतु जब वे फ्लुओराइड यु> फसलों को लगातार खाते हैं , तब उनमें फ्लुओरोसिस के कारण ऋंतक दांतों पर रंर्गबिरंगे चक
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