are cows injected with b12 Vitamin B deficiencies in animals, particularly B1 (thiamine) and B12, cause severe neurological and metabolic issues. Ruminants often suffer from B1 deficiency (Polioencephalomalacia) due to rumen upset, leading to blindness and staggering daily pet supplement Size:1000 mcg/ml - 30 ml x 1 vitamin b12 injection dose
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