Home › Livestock Farming › Article

How to Cleverly Identify Whether Fish Have Eaten Their Fill

Livestock Farming 0 views
1. Pay close attention to how long the fish take to eat at the feeding tray or feeding ground. If, after a certain amount of feed is put in (the normal feeding amount), the fish finish the feed in less than 2 hours, it means the feed is insufficient and some fish have not eaten or have not eaten their fill, so an appropriate amount should be added. If the feeding amount per ten-day period is fixed and the daily feeding amount within the period is the same, but by the end of the period the feed put in is finished by the fish in less than 2 hours, it means the fish have gained weight and the feed amount should be increased. When feeding compound pellet feed, if the feed has already been finished but the school of fish is still swimming rapidly on the surface layer searching for food and is unwilling to sink into the "second layer of water," it indicates the fish have not eaten their fill. If the school of fish has already dispersed from the feeding tray or feeding ground and there is still leftover bait, the fish have eaten more than their fill, and the feeding amount can be appropriately reduced next time.

1. Pay close attention to how long the fish take to eat at the feeding tray or feeding ground. If, after a certain amount of feed is put in (the normal feeding amount), the fish finish the feed in less than 2 hours, it means the feed is insufficient and some fish have not eaten or have not eaten their fill, so an appropriate amount should be added. If the feeding amount per ten-day period is fixed and the daily feeding amount within the period is the same, but by the end of the period the feed put in is finished by the fish in less than 2 hours, it means the fish have gained weight and the feed amount should be increased. When feeding compound pellet feed, if the feed has already been finished but the school of fish is still swimming rapidly on the surface layer searching for food and is unwilling to sink into the "second layer of water," it indicates the fish have not eaten their fill. If the school of fish has already dispersed from the feeding tray or feeding ground and there is still leftover bait, the fish have eaten more than their fill, and the feeding amount can be appropriately reduced next time.

2. If the water surface is extremely restless and the fish in the pond are highly active, check whether the fish are being harassed by parasites, or the school of fish may be in a state of hunger. In breeding ponds, if fry and fingerlings appear in groups ceaselessly swimming frantically around the pond, this is a sign of a lack of suitable palatable food and a sign of severe hunger, commonly known as "running horse disease."

3. Regularly check the growth of the farmed @#@233@#@ fish, generally once a month. When the stocking density is suitable, the matching ratio is reasonable, and no disease occurs, if the growth of the fish is found to be far below the predetermined size and the individuals vary greatly in size, it indicates that the farmed fish are not getting enough food and are often in a state of hunger or semi-hunger.

4. In ponds where silver carp and bighead carp are the main farmed fish, if the transparency of the pond water exceeds 40 cm, or the water quality changes from fertile to lean, or the silver carp and bighead carp have large heads, small tails, narrow backs, and swim weakly, and there are even emaciated dead individuals floating on the water surface, all of these indicate that there is very little plankton available as food for the silver carp and bighead carp in the water, causing these fish to grow slowly.

5. In ponds where carp are the main farmed fish, to judge whether the carp are hungry or full, you can determine it based on the turbidity of the pond water. If the water of the entire pond is very turbid (muddy yellow), it proves that the carp are frequently foraging at the bottom of the pond, and it can be judged that the carp are in a state of hunger.

Related Articles