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Management of the Stallion prior to the breeding season.
by Jane Marson BSc Hons(Stud Manager of Heritage Coast Stud)


The Stallion's behavioural and physical management must be thoroughly understood if he is to be prepared for a breeding season to result in optimum performance.

Areas of Stallion management to be optimised:-

1. Nutrition
2. Exercise
3. Housing
1. Lighting
2. Exercise
3. Housing

1. Nutrition
1) Diets should be adjusted for individual stallions according to their breed, condition and energy requirement. Many stallions are overfed during the breeding season as it thought that they will require 'more energy'. However, there is virtually no extra requirement for the stallion during the breeding season compared to the maintenance part of the year. A stallion in good condition can be well managed on good quality hay, access to a mineral supply and a basic stud mix/nut. Extra energy can be provided in the form of carbohydrates but these should be constantly evaluated according to the condition of the horse.

Exercise
Stallions just like any other horses are a grazing animal and is important that they are able to exercise normally throughout the breeding season. Exercise in conjunction with a well managed diet can aid the horse in not only its physical condition to perform well in the breeding season but also keep its mental attitude balanced. It is important that the horse be in good fitness for the breeding season and the requirement of exercise type will depend on the individual horse.

Housing
Recent studies have shown that stallions housed or grouped together can result in intermale effects that can induce behaviour related subfertility.
Lighting
Stallions, like mares, are effected by day length although not to the same degree. They are still fertile during the short day periods but will have reduced fertility compared to the natural breeding season. To make sure your stallion is in optimum condition to start his breeding season as near to February 14th (optimum date to result in a mare producing a foal as near to Jan1st as possible) then you can induce an onset of the breeding season artificially by introducing lighting periods of the stable during the short day period.There is some evidence to suggest that the feeding of Agnus Castrus (Evitex) can induce the same result by acting on the pituitary gland resulting in an increase in hormones aiding the fertility of the stallion.

Health
For much of the year the stallion is kept isolated from infections during the non_breeding time> However, when the breeding season commences the stallion is suddenly exposed to visiting mares from a variety of locations that could potentially infect him both with common infections as well as venereal infections which could be disastrous. Therefore, it is vital that the stallion himself is fully tested at the beginning of the season for venereal infection to provide confidence to the mare owners and also to ensure that no problem with fertility could result from the stallion. It is also important that he is fully vaccinated against equine flu, herpes and equine viral arteritis (EVA). It is important that the stud insist on a clean swabs from the mare prior to coming to the stud. Not only are these precautions good practice but they also rule out potential problems with fertility.