Por LUIS ALONSO HERNÁNDEZ. Veterinario y escritor.

 In human medicine there is an axiom: "It is important to note liquid intake when physical activity is intensified to repair losses caused by it" then Why deprive of this pleasure-need to "Bous al Carrer" after having fulfilled the purpose for which it was raised? 
  
After a career of twenty long minutes to 30 or 35 º C in the celebrations of our lift Spanish, the Bulls desperately need water, the liquid element that makes aqueous medium so that they can carry out all biological reactions where not only is increasedconcentrations of cortisol and corticosterone, but thyroid hormones T3, T4 and TSH. 
  
They have lost a lot of water and many dissolved electrolytes (sodium, potassium and chloride), and these are responsible for maintaining the osmotic pressure and electric potential of the cell membranes of vital importance in conducting nerve impulses and muscle contraction . 
  
  

At the end comes the race through the streets, that within minutes it produces a continuous stress, caused by a number of causes ranging stressful, from the light, screaming, color, movement, heat stimuli cites as waiters, falls to Sometimes defeat Talanquera etc, etc. 
  
The bull is getting tired more and more, is running out!, So increasing their breaths that come to produce the "backlash" in the flanks. Open your mouth and nostrils dilated for some fresh air, even hot, to provide the oxygen that lacks the financial year has been forced to do in the race. 
  
The bull is very hot, but not only external but internal. And so comes into operation and start your sweat glands sweating so outrageous. They are true "jets Sweat", from all its pores are letting out their ions and precious minerals. All this, along with your blood glucose has been accumulated spending will produce clonic muscular contractions such as join aches of muscles and tendons under-trained and has started to suffer with transport trucks. 
  
The 2 / 3 of the bull's body is water. Approximately 60% and if we consider that the loss of a 2% water is a loss of 20% of physical energy, we can easily infer the importance of replenishing the water. 
  
Since water is absolutely necessary, for the processes of respiration and digestion, to transport nutrients, to remove organic wastes and to maintain body temperature. 

How can we fail to replenish his lack sooner when the bull can drink? 
  
Naturally it is necessary that the bull drink. Yes, water at room temperature because if it is too cold can give digestive disorders. It is therefore highly desirable that the pens where the bulls go after the race, have troughs for the animals to take "ab libitum" water needed to replenish their losses. 

It would be highly desirable to assist in its replacement with water which incorporate the following in proportions of 50 liters of water: 1000 g sugar + 175 g salt + 75 g + 125 g potassium sodium bicarbonate. 
  
Since the bull to help recover the lost electrolytes. 
  
If we provide good quality hay, we will have successfully recovered the trawler. 
  
And if we are able to shower with water at room temperature upon arrival to pens. So much the better! 

"Quantity of water to drink? Human in a 70 kg weight is to drink 2.5 liters of water daily and a 500 kg bull should drink about 18 liters of water. 

It is my experience in horse raids, closures of land area in Castilla-León and recovery of bull pardoned.