Here is a brief look at the Cortez story from the horse angle. It is full of assumptions by necessity as there is no way to know anything about the event or even if it occurred. Some of the links to the logistical info this article contains are on another computer so will come back and add them in when I am on that one hopefully later today.
Cortez is said to have sailed from Spain to conquer Mexico. This statement suggest Cortez or his ships captain(s) or navigators had a map of a route so they knew where they were heading and likely what was going to be there when they got there.
The most direct route from Spain to Mexico today (and presumably 'back then') is straight across the ocean in a direct line. Sailing ships cannot go direct as their direction is governed by the winds and currents, along with the skills of the crew, as is the time it takes. Between Spain and Mexico are various islands which we have no way of knowing if they were known to Cortez or his navigator. Cortez could have restocked at these islands and he could have picked up horses at some of them most likely.
Cortez is said to have sailed in his own ship plus ten others making eleven in total. He is also said to have travelled with a body of 500 men and 100 ships crew. He is also said to have taken 16 horses on the voyage.
First off a fleet of ten ships sailing such a vast distance together and staying together to arrive together and unload together in good order is remarkable at best. Even today with all the wizardry of high tech equipped ships sailing together simply disappear and lose touch with each other, fishing fleets being the prime contemporary example.
Lets assume the horses were for the officers among the 500 men including Cortez which is why they were so few in number in proportion to the men. Obviously it is not likely the ships captains had horses.
It's possible the horses were travelling on two ships. They are herd animals and need the company of other horses for their well being. Splitting them between two ships would mean the odds of at least eight of them making it to Mexico were better. Of course one of the ships could have been a horse carrying ship but should that be lost then Cortez and the officer would have to walk like every last one of their men had to. How far can a human walk carrying all their supplies and remain in fighting condition every day?
Horses can do around fifteen miles a day. Mexico is a big place as far as I can tell!
Lets assume the horses were carried o a single ship. Which makes a lot of logistical sense as we shall see.
Question is what type of horse to take? Unless any of the officers had been to Mexico prior then all they had to go on was other peoples reports of what the country was like when coming to a decision on which breed or type of horse to take with them. Clearly some are more suited to carrying humans than others. Does one take ones finest stallion to impress the locals and ones men or a beast much more suited to what is likely to be there which will get one from A to B in some degree of comfort?
Also what men would be required to look after the horses on the voyage and on the conquering trail?
Blacksmith, ostler, stable hands, some sort of veterinarian who knew how to treat horse ailments?
And are these also meant to be fighting men?
It is unlikely the ships crew would have neither time nor skills required to tend the horses on the voyage
Horses eat ten times as much by volume as humans do. (Ten times as much shit is produced all of which has to be thrown overboard)
This of cours means the horse fodder onboard would take up ten times the volume of the human fodder. As horse fodder is much less dense than human fodder the space it would require is over ten times more than human fodder. It would have to be carried on the horse carrying ship(s) as there would be no opportunity to cross ship fodder at sea. They are sailing across an ocean don't forget.
A little bit of
numbers. I don't do numbers as a rule, not fluent in maths to be honest but hey ho.
- 11 ships
- 16 horses on one ship.
- 500 men
- 100 ships crew.
Let's assume all the ships were of the same size so they all had the same crew of 9. If the horses were all on one ship then there would be the crew plus whatever number were required to look after them. Let's say three or four to feed water, muck out, tend the horses and allowing for one of the four to fall ill. This means the horse ship has 13 humans and 16 horses.
The other ships just have the remaining 91 crew and 496 officers and men spread across them giving a ship total of 9 crew and 49/50 other humans onboard.
Whatever ships rations were in them days they would have taken up far less space than the horse fodder in that ship. So ballasting and the use of horse/human rations must have been done very carefully to keep the ship seaworthy. There is also the inherent risk of fire from stacked hay. It is far from unknown for hay stacks and barns full of hay at the wrong moisture content to spontaneously combust. On land its bad enough but in a wooden ship catastrophic.
Sanitation for horses and men would also have to be managed very effectively as disease thrives where there is a lack of condition and with the best preparations possible both horse and man would be under stress from the get go on such a venture so any decline in sanitary standards would allow disease to get going again with catastrophic results.
This ship would also be carrying the only livestock save for possibly pigs, chickens, goats, ducks/geese so should the human rations get spoiled or lost at sea then the horses are a giant ready meal for starving desperate men and would be lost to Cortez if such an event occurred.
If commerce were in use back then then this ship is also carrying a high value cargo and the opportunity for the ships captain and crew or crew alone to simply fall out of sight of the other ships, sail back to land or another country to flog off said horses must have been a tempting one. Again depriving Cortez of his horses.
But the overwhelming factor is once again fresh water.
Humans can get by on wine and ale for long periods as water source horses cannot. They need fresh water alone. The horse carrying ship would have to have a far greater volume of fresh water onboard than any of the other ships were carrying. Fresh water that once spoiled is no longer fresh and the horses will not touch it no matter how thirsty they are.
The ballasting of the ship at this point becomes crucial to the ships survival on the ocean. Liquids in containers move as the thing the containers are in moves. Unless the containers usage is worked out very carefully it can unbalance the ship and it capsizes or sinks. Should any of the ballast move it goes down.
Wine and ale can be carried in barrels so it is fair to suggest that water too was carried in barrels
The skill that is required to keep a relatively small ship full of horse fodder and liquid filled barrel on the level and keeping the latter from contaminating the former is incredible and the captain and crew would have to be the very best available among the merchant fleet with experience of carrying barrels and possibly horses if it had been done before.
Here is a Caravel replica. Not sure how they arrive at the size of these replicas as it seems no caravels have survived though the design persists it seems.
This one is the Pinta the larger one of the two caravels in the Colubums fleet so it comes along before Cortez in the fairy story that is official history. However it is all there is to go on as Caravel is simply the title for a style of ship in the same way as clipper or steamship or frigate. There is no hard and fast sizing to these vessels.
The Pinta is the larger of the two Caravels in the photo with the Nina the smaller one being hailed as the most historically accurate. As you can see there are nine or ten people onboard in this photograph and this represents the totality of the crew on Cortez's ships and gives some idea of the human scale to these vessels. Worth noting just how much smaller
the 'historically accurate' Nina is.
Cortez's ships are of size unknown.
But let's assume the horse ship was of the same scale as the Pinta.
Where would they fit stalls or stables for sixteen horses on that vessel?
Where would they store however many tons of fodder?
Where would they store however many tons of fresh water?
The hold as in below decks is the only choice it seems.
They could of course put the horses in stalls in the hold as well using a system of ramps to walk them down in Spain and out again in Mexico which would make some sense as at least they would be near their food and water and their weight would be better below deck than on for ballasting purposes but all the shit and piss horses produce must have made it a nightmare to keep clean. Imagine a bilge full of horse sewerage.
So there it is.
Really not much more to add. Once again the logistics of fresh water, with a supporting role for horse shit and piss not to mention feeding and watering said horses, shatter the mainstream narrative.
Turns out though there is a third way to disembark horses from a ship and that was to literally push them overboard and persuade them to swim to shore as you will see when I pull the links from the other computer!
Edit to add
Found these pictures from onboard both ships. With humans for scale.
Second edit to add links.