Basics Of Breeding Koi In Your Garden Pond | Koi Spawning Requires Preparation
How To Successfully Breed Koi In Your Koi Pond
If you are really lucky, your Koi will breed and provide you with some new Koi to admire. Breeding Koi, however, isn't as simple as throwing together male and female Koi. They need the right conditions to be present. To ensure that this is the case you, as the pond keeper will need to do some preparation, in advance of their spawning season.
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A male Koi reaches its optimum breeding condition at around 3 to 5 years of age; whilst a female Koi carp reaches her peak at between 4 to 6 years of age. The libido of Koi can be somewhat on the slow side. Believe it or not the best way to prepare your Koi for breeding is to condition them in about 1 year in advance.
The first thing you need to make sure of is that your Koi carp are healthy and well fed. Starting during the colder winter months you will need to place your Koi in what is termed a "hibernation cycle". This needs to be done for several months.
As the pond water temperature drops during the colder winter months, experienced in northern USA and northern Europe, your Koi will stop eating. As Koi carp spawn in spring they need to go through this cycle.
Preparing Your Koi Pond For Spawning
There are four main requirements needed in order to successfully breed Koi carp
- Adequate media that provides a place where they can lay their eggs.
- The right pond water temperature.
- Privacy.
- Good water quality.
The choice of media that is suitable for the female Koi to lay her eggs on is quite varied. The following natural media, found in the pond or around the pond are perfectly suitable: grass or trees.
Artificial media, available from aquatic centers, garden centers or specialized Koi shops are often the preference these days. Remember that the media will be a hiding place for the fry, once they hatch from the eggs, and not just a place where the female lays her eggs.
The optimum pond water temperature to facilitate spawning is between 20 Celsius (68 Fahrenheit) and 23 Celsius (73 Fahrenheit). If the pond water temperature is any higher then there is a chance that the fry will be deformed or mutated. The same applies if the pond water temperature is too cold. A constant pond temperature is an absolute necessity.
The quality of the pond water also plays an important role in the success or failure of your Koi carp to spawn and breed successfully. You need to ensure that the pond is well oxygenated (aerated) and clean. This is best done by incorporating a waterfall into your pond design. If you don't have a waterfall then a Pond Air Pump is the next best thing.
It is a good idea when choosing a pond filter to ensure that there is a fine mesh separating the impellor and the inlet. The last thing that you want is for the baby Koi to be sucked into the pump. Don't forget, once spawning is done you will need to replace the water.
Identify The Fertilized Koi Eggs
Unlike goldfish eggs that are not very sticky, Koi eggs are sticky and will stick to almost any surface, found within the pond. At this stage you will need to look out for fertilized eggs. Fertilized eggs are translucent i.e. see through. If you see any fuzzy looking white eggs then these are unfertilized.
It is now a good idea to split the eggs and their temporary home (your choice of media) from the parents. Koi are not at all maternal and will readily eat their own eggs, without a second thought; nature's way I guess.
Looking After The baby Koi (Fry)
After hatching the fry will live off their egg sack and will not need to be fed. After the initial 3 to 4 days they require a constant supply of wholesome and nutritious food, in order to promote their growth and development.
The best sources of food for Koi fry include:
- Daphnia (fresh water crustaceans)
- Brine shrimp
- Boiled egg yolk. The baby Koi love boiled egg yolk but there is a downside to this food; it quickly pollutes the water.
In order to facilitate the development of the fry into adult Koi you will have to carefully maintain the pond water temperature between 22 C (72 Fahrenheit) to 23 C (73 Fahrenheit). You will also need to get rid of the weakest Koi. This process should start at around 1 month of age.
Identifying the genetically inferior Koi, so that they can be culled is quite a difficult task for the novice. This needs to be done however, if you want to maintain a healthy stock of Koi. If you have goldfish that have spawned then the task is somewhat easier; the darker fry are genetically superior to the lighter ones and will exhibit better characteristics when fully mature.
After the initial cull you should wait approximately 2 to 3 weeks then repeat the process. Leave as many baby Koi as you want to grow into adult Koi. You will need to feed them a high Protein Fish Food. This fish food is readily available online, in aquatic centers and in Koi shops.
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