CN103229747A - Method for breeding rana nigromaculata - Google Patents

Abstract

The invention discloses a method for breeding rana nigromaculata. The breeding method comprises three stages of tadpole breeding, froglet breeding and frog breeding. The rate of survival of the rana nigromaculata bred according to the process method is high, and the new green food is provided for China family life.

Description

The cultural method of a kind of Rana nigromaculata

Technical field:

The present invention relates to the cultural method of a kind of Rana nigromaculata.

Background technology:

Rana nigromaculata is the baby that the breeding of wild frog is come out, and the back is blackspot, and along with developing rapidly of Rana nigromaculata aquaculture, blackspot baby's breed is all very high to weather, temperature and management expectancy thereof,

Summary of the invention:

The cultural method that the purpose of this invention is to provide a kind of Rana nigromaculata.

The present invention adopts following technical scheme to realize its goal of the invention, the cultural method of a kind of Rana nigromaculata, and it adopts, and tadpole is raised, froglet is raised, the middle one-tenth frog is raised three phases and finishes its cultural method;

Tadpole is raised: the raising of tadpole comprise nursing and management, f tadpole pond after the sterilization of a tadpole pond, the sterilization of b pasture and water, the pond water filling of c tadpole and water level control, d tadpole go into pond, e tadpole and go into the pond and go into the pond the metamorphosis of changing water, g tadpole, h tadpole disease with prevent eight technologies;

Froglet is raised: the raising of froglet comprises that preparation, the b froglet before a goes into the pond goes into three technologies of nursing and management of pond, c froglet;

In become the frog to raise: froglet grows up to the middle frog after raising through one month, and its raising method comprises that a feeding, b augment nutrition, c sterilization, d and change water, five steps of the anti-agitation of e.

Owing to adopted technique scheme, the present invention has realized its goal of the invention preferably, and the blackspot baby survival rate height that adopts this process to culture out is for China's family life provides a kind of new green food.

Embodiment:

Be described further below in conjunction with the content of the present invention of embodiment.

Embodiment 1:

By summary of the invention as can be known, the cultural method of a kind of Rana nigromaculata, it adopts, and tadpole is raised, froglet is raised, the middle one-tenth frog is raised three phases and finishes its cultural method;

Embodiment 2:

Tadpole is raised: the raising of tadpole comprise nursing and management, f tadpole pond after the sterilization of a tadpole pond, the sterilization of b pasture and water, the pond water filling of c tadpole and water level control, d tadpole go into pond, e tadpole and go into the pond and go into the pond the metamorphosis of changing water, g tadpole, h tadpole disease with prevent eight technologies.

A tadpole pond sterilization: sterilization in 10-15 days in advance; Select fine day before and after the beginning of spring, with perfusing full pond quicklime 150-200 jin/per mu sparing, behind two spring rains, convert water (1:500) with bleaching powder again and evenly spray full pond, accomplish the sterilization of secondary deep layer.

B pasture and water sterilization: the pasture and water of putting into the tadpole pond are carried out disinfection handle except leech, earlier disinfectant is converted in proportion water and packed in the bucket, again pasture and water are dipped in the bucket 12 hours, rinse well with clear water then and put into the tadpole pond; During no pasture and water, with replacements such as twig, bamboo branch, cotton stalks.

The pond water filling of c tadpole and water level control: tadpole pond waterflooding requirement all floods the land in the pond, and the most shallow place keeps 10 centimetres of the depth of waters; Build with plastic sheeting for farm use in the cofferdam in tadpole pond, in order to avoid muddy water flows into the tadpole pond when raining, causes pond water muddiness.

Nursing and management after the e tadpole goes into the pond and goes into the pond: select to have the shallow water area of pasture and water, the basin basin that tadpole is housed is not had upstream face along inclination, slowly banish, the input density that tadpole goes into the pond is 300-500 tail/m ²Tadpole goes into nursing and the management behind the pond: do not need feeding, and allowed it be familiar with environment in the 1st day; The 2nd day, with raw egg stir evenly the dilution splash to the phytal zone, the feeding amount be 10,000 tails/piece; The 3rd day, with raw egg stir evenly the dilution splash to the phytal zone, the feeding amount be 10,000 tails/piece, in afternoon in the morning each once; 4-8 days, throw something and feed raw egg and soya-bean milk, the raw egg of throwing something and feeding the morning, consumption is constant, and the soya-bean milk of throwing something and feeding afternoon is worn into slurry back dilute with water with raw soya bean and is splashed, the throw something and feed amount of 1 liang of raw soya bean of 20,000 tails, tadpole eats a part of soya-bean milk slag, and all the other mainly act on is to support water flea; 9-20 days, the feed of throwing something and feeding, soya-bean milk, cabbage directly were sprinkled into a small amount of feed the morning, and feed was eaten up the best in 2 hours, the soya-bean milk of throwing something and feeding afternoon; The 21st day-froglet, the feed of throwing something and feeding, cabbage, auxiliary material is earthworm, insect, main feed morning, afternoon each once, change water afternoon, turning on light with light trap evening lures worm to go into the pond, the earthworm feeding volume is 200-400 gram/80 m ²

F tadpole pond change water: change water 1-2 every day, and permanent current running water is better in a small amount; 1-12 days, 40 centimetres of the visibility of Chi Shui; 13-24 days, 35 centimetres of pond water visibility; 25-36 days, 30 centimetres of pond water visibility; 37-48 days, 25 centimetres of pond water visibility; 49-60 days, 20 centimetres of pond water visibility.

The metamorphosis of g tadpole: when tadpole grows up to froglet, the habitat be arranged, prepare food; Period of metamorphosis might have the tadpole death of 5-8%, belongs to normal phenomenon.

The disease of h tadpole and prevention: the common disease of tadpole is: 1, and erythroderma, the head of tadpole, tail, belly are hemorrhage; 2, white mould, afterbody has graininess white bacterial micro-organism; 3, steam bubble disease, improper drum of belly; The main cause that tadpole produces above disease is water quality inferiority, and tadpole ight soil sulfur compound is more, does not in time change water and causes; There is no at present the special-purpose medicaments of effective control tadpole disease on the market, as using alternative medicine, then can cause tadpole death or poor growth, the best way is that duty is changed water, and in time the tadpole that will catch an illness is pulled out and buries, with other healthy tadpoles of avoiding infection.

Embodiment 3:

Froglet is raised: the raising of froglet comprises that preparation, the b froglet before a goes into the pond goes into three technologies of nursing and management of pond, c froglet.

A goes into the preparation before the pond: sterilization cleaning frog pond, install light trap, trammel net, food platform, and check water inlet, draining and the spilling water facility in frog pond.

The b froglet goes into the pond: catch frog instrument with special use and fish for froglet, froglet should not be adorned when barrelling is moved too much, in order to avoid cause the froglet crush injury, influences the survival rate of froglet; The breeding density of froglet is 15-20/m ²

The nursing of c froglet and management: not feeding in first day, open light trap; At second day to the 7th day dusk, a small amount of fly maggot of throwing something and feeding is namely opened light trap at nightfall to the froglet habitat and the food platform; Mixed once special-purpose multivitamin of food every 7 days, frog physique in can strengthening improves immunity, is beneficial to disease resistance, and 10 jin of live baits of feeding ratio add 100 gram multivitamins and mix thoroughly; Change water 1-2 every day, will strengthen behind the rain and change the waterpower degree, keeps water quality; Needed the place is carried out disinfection once every 10 days, during the water body part aborted with fish peace, chlorine dioxide, the land part was evenly sprayed with iodine class disinfectant; Need about 23 of every days to make an inspection tour and observe froglet feed situation, remove natural enemy.

Embodiment 4:

In become the frog to raise: froglet grows up to the middle frog after raising through one month, and its raising method comprises that a feeding, b augment nutrition, c sterilization, d and change water, five steps of the anti-agitation of e.

The a feeding: middle frog feeding at general dusk, during 23 tours, discovery insect on the same day is more, then can reduce the feeding amount.

B augments nutrition: mixed once special-purpose multivitamin of food every 10 days, frog physique in can strengthening improves immunity, is beneficial to disease resistance.

The c sterilization: needed the place is carried out disinfection every 7 days, during the water body part aborted with fish peace, chlorine dioxide, the land part was evenly sprayed with iodine class disinfectant.

D changes water: high temperature will strengthen and change waterside number and the water yield midsummer, keeps frog pond water body cleaning as far as possible, reduces water temperature, the heatstroke of prevention Rana nigromaculata high temperature.

The anti-agitation of e: keep frog pond periphery quiet as far as possible, especially will avoid artificial unexpected agitation daytime.

Claims (1)

1. the cultural method of a Rana nigromaculata is characterized in that its employing tadpole raising, froglet are raised, the middle one-tenth frog is raised three phases and finishes its cultural method;

Tadpole is raised: the raising of tadpole comprise nursing and management, f tadpole pond after the sterilization of a tadpole pond, the sterilization of b pasture and water, the pond water filling of c tadpole and water level control, d tadpole go into pond, e tadpole and go into the pond and go into the pond the metamorphosis of changing water, g tadpole, h tadpole disease with prevent eight technologies;

Froglet is raised: the raising of froglet comprises that preparation, the b froglet before a goes into the pond goes into three technologies of nursing and management of pond, c froglet;

In become the frog to raise: froglet grows up to the middle frog after raising through one month, and its raising method comprises that a feeding, b augment nutrition, c sterilization, d and change water, five steps of the anti-agitation of e.