I used to be quite interested in dressage as a demonstration of harmony and understanding in the an affectionate relationship between horse and rider.
I have just been watching the dressage from the London International Horse Show, available on the BBC, having not seen it for several years...
Heygates feeds are perfectly good and more reasonably priced, and the supplements and additives that everyone seems persuaded to buy are just not needed by the vast majority of horses. It seems odd that many owners who are worried about their horses eating too much and getting fat are...
Glyphosate, sold as Roseate, available online, applied with hand held sprayer - killaspray type sprayer. Will need repeated application perhaps once a month in the growing season.
Usually the feathers protect the underlying skin from wet and mud if not interfered with. It is best to brush off mud when it dries. The less they are interfered with the better will be the natural protection they provide.
Have had both Dales and Fells, both nice, strong, robust and healthy and with good temperaments, like all horses they need fair and firm handling to ensure easy management and good behaviour.
The owner of a school might be concerned that if e.g. your horse tripped and you had an accident as a result, you might make a claim off them, and they most likely will not have insurance to cover that eventuality, so they may be unwilling to loan it on those grounds
Chlorophyll, the green pigment in plants, contains magnesium, so if horses are eating grass, or dried grass in the form of hay, they are receiving a natural source of the element.
Interested to hear of you working at Whites as I rode there as a teenager and later with them when the stables moved to the other end of the road next to the park. The track alongside the golf course was called the spinney.