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Too much urea at one time or insufficient carbohydrate intake results in excessive ammonia in the rumen . In a Government Department , the Responsible Officer must be a Secretary of Department or equivalent head of organisation , as agreed with the ABS . There are two main means of predicting possible climate change : one involves working out analogues from past climatic and hydrometric records ; the other , much more commonly used , uses mathematical simulations of climate ( on computer programs ) known as general circulation models or global climate models ( GCMs ) . And the other thing is that the blogosphere is very well capable of doing a lot of research on its own , now that most things are online or findable online . The price of privacy is eternal vigilance - or direct action .