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The feeding pattern, and thus the growth rate, of koi depends on many factors, such as water temperature, water quality, stocking density and genetic background Koi feed most actively at temperatures in excess of 15c(59F), thus sexually immature fish can grow rapidly during the summer months when the temperature is warmer.
Once koi are mature, their growth rate slows considerably; in sexually mature fish, most of the food eaten is utilized in producing eggs or sperm in preparation for breeding. However, unlike many other vertebrates, fish continue to grow throughout their lives and it is easy for pampered koi to reproduce and continue to grow because of their artificially high feeding rates.
The cycle of rapid growth in summer and retarded growth in winter produces rings on the fish's scales (much like the growth rings of a tree) and a koi's age can be determined by counting these rings. Some koi-keepers, however, who heat their pools in the winter, continue to feed their koi throughout the year. If a koi has continued to feed during winter its rings will not be clearly defined and it will therefore be difficult to age. |
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Aquadyne 2.2B Bead F... |
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Aquadyne 2.2B Bead Filter
The Aqudyne bead filter 2.2B is excellently suited to ponds up to 7000 gallons offering support for up to 12...
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Kiku-bachi |
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The "Kiku-bachi" water basin is carved in "kiku" or "lotus" style and is available in grey salt and pepper gra...
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TMC Pro Clear |
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The TMC Proclear units are designed to be positioned either on its base on a flat surface, or attached horizontally to a vertical surface us...
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Saki Hikari Multi Se... |
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Saki Hikari Multi Season Koi Food
Saki Hikari Multi Season Koi Food is a daily diet for show koi for use during periods of lower water temp...
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FD Primo Plus Koi Fo... |
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FD Primo Plus Koi FoodFD Primo Plus Koi Food is of the highest quality koi food from Japan, already used for years by famous Japanese br...
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Evolution Aqua Premi... |
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EA Premier Koi FoodEvolution Aqua have formulated and developed a completely new range of Koi Food. This new range of Koi Food is made from ...
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Contact Information
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Gorse Hill Bungalow
Gorse Hill Lane
Wellingore
Lincolnshire LN5 0BY
United Kingdom
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| Phone: |
+ 44 (0) 1522 811330 |
| Fax: |
+ 44 (0) 1522 811330 |
| Mon-Fri: |
By Appt. |
| Saturday: |
By Appt. |
| Sunday: |
By Appt. |
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