CN104872059B - A kind of artificial fecundation method of Siam crocodile - Google Patents

A kind of artificial fecundation method of Siam crocodile Download PDF

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CN104872059B
CN104872059B CN201510266197.8A CN201510266197A CN104872059B CN 104872059 B CN104872059 B CN 104872059B CN 201510266197 A CN201510266197 A CN 201510266197A CN 104872059 B CN104872059 B CN 104872059B
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crocodile
pond
water
siam
ovum
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CN104872059A (en
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梁金莲
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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01KANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K67/00Rearing or breeding animals, not otherwise provided for; New or modified breeds of animals
    • A01K67/02Breeding vertebrates

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Abstract

The invention discloses a kind of artificial fecundation method of Siam crocodile, including introduces a collection selection, raised and train before pairing, breeding spot is set, artificial pairing and the collection and hatching of crocodile ovum, the subject matter that current Siam crocodile artificial propagation faces can effectively be solved, including seed selection, pairing, the pairing phase selects, property ratio, density, bait, the problems such as breeding is set with environment of hatching, significantly reduce the disability in breeding mating process, the generation of lethal events, significantly improve the spawning rate of female crocodile, significantly improve the incubation rate of crocodile ovum, Siam crocodile is realized manually efficiently to breed, secure good health crocodile seedling, to expand Siam's crocodile cultured populations, promote species conservation, development scaleization cultivation provides solid technical support.

Description

A kind of artificial fecundation method of Siam crocodile
Technical field
The present invention relates to aquaculture technology, more specifically to a kind of artificial fecundation method of Siam crocodile.
Background technology
Siam crocodile also cries Siam fresh water crocodile, the small-sized crocodile of Singapore, is distributed mainly on the Borneo, Indonesia, Malaysia in Southeast Asia The ground such as West Asia, Thailand and Vietnam.For a kind of medium-sized crocodile, growing up, crocodile is most long to can reach 4 meters, and common also having is 3 meters long, children Then about 25 centimeter length when crocodile hatches.The kiss of Siam crocodile is of moderate length, slightly concave, and length is about kiss sound stage width degree 1.5 to 1.6 times.Two Eye socket front has on short a pair sharp edges ridge, volume an obvious socket of the eye between two eye sockets, and it is high that squamosum protrudes one Ridge.
Siam crocodile belongs to world-class endangered species, and as a kind of excellent fresh water crocodile, Siam's crocodile cultivation is increasingly by water Produce aquaculture concern.However, due to Siam crocodile under Artificial feeding conditions to water quality, water temperature, bait, cultivation density, property ratio and Breeding environment condition etc. requires widely different with other fresh water crocodile classes, it is difficult to control, so as to cause this kind propagating condition artificially Lower successfully mating breeding is very difficult, and this problem seriously constrains the sound development of this kind of aquaculture.
The content of the invention
It is an object of the invention to solve at least the above and/or defect, and provide at least will be described later excellent Point.
It is a still further object of the present invention to provide a kind of culturing pool, it is designed that there is provided kind according to the physique characteristic of kind of crocodile Clean and comfortable surroundings needed for the growth of crocodile, at the same it is simple in construction, it is durable in use.
Pond is bred it is a still further object of the present invention to provide one kind, is designed that there is provided kind according to the reproductive characteristic of kind of crocodile Clean and comfortable surroundings needed for the breeding of crocodile, at the same it is simple in construction, it is durable in use.
In order to realize according to object of the present invention and further advantage there is provided a kind of artificial fecundation method of crocodile, Comprise the following steps:
Step 1: introduces a collection is selected:
The young crocodile of Siam crocodile is caught using fanout free region mass trapping in the wild, fertile juvenile is selected, it is desirable to female crocodile body Long more than 100cm, male long more than the 130cm of crocodile body, it is healthy and strong, be active in one's movements, scale is glittering hard, eyes become clear, afterbody and Four limbs are intact without incomplete conduct kind crocodile;
Step 2: being raised and train before pairing:
It is 27-32 DEG C that crocodile, which will first be planted, and individually raised in environment temperature, and area is 10-15m2Culturing pool in, keep environment Peace and quiet, the culturing pool includes movable platform and the first pond, and the movable platform and first pond pass through the first gentle slope It is connected, first gentle slope is 10-15 ° with horizontal plane, and the area of the movable platform accounts for the 1/2 of the area of the culturing pool, The movable platform is higher by the water surface 0.8-1.2m, the first pond depth 1.2-1.5m, first water in first pond The side wall in pond is provided with the first water inlet, and the first delivery port, first pond are provided with relative other side wall bottom The water of its 3/4 volume is accommodated, the water of the volume of the first pond 1/8, the pH value of first pond reclaimed water are changed in flowing daily For 7-8, water temperature is 28-31 DEG C, the planting aquatic plants in first pond, and the water surface coverage rate of water plant is 40- 50%, from feed, fed daily by the keeper of identical clothing with fish, chicken, duck, rabbit, every time feeding since plant crocodile Material in 50-100kg, raise and train 6 months, make kind of crocodile adapt to propagate environment artificially;
Step 3: setting breeding pond:
Environment temperature is that to build area be 30-40m for 25-35 DEG C of place2Breeding pond, keep environment quiet, institute Stating breeding pond includes the second pond and mud sump, and the mud sump and the second pond are connected by the second gentle slope, the mud sump and second Provided with the mud guard that height is 10-15cm between gentle slope, the angle of second gentle slope and horizontal plane is 10-15 °, the mud sump The 2/5 of cultivation pool area is accounted for, the mud sump is higher by the water surface 0.3-0.5m, the second pond depth 1.5- in second pond 1.8m, the side wall in second pond is provided with the second water inlet, and the second water outlet is provided with relative other side wall bottom Mouthful, second pond accommodates the water of its 3/5 volume, and the water of the volume of the second pond 1/5, described second are changed in flowing daily The pH value of pond reclaimed water is 7-8, and water temperature is 28-31 DEG C, the planting aquatic plants in second pond, the water surface of water plant Coverage rate is 60-80%;
Step 4: artificial pairing:
In annual December to March in Yi, a legendary monarch of Youqiong State in the xia Dynasty year, when temperature is 24-27 DEG C, it will adapt to propagate artificially Siam crocodile of the heat of environment It is put in breeding pond, it is desirable to female long more than the 170cm of crocodile body, male long more than the 180cm of crocodile body, it is healthy and strong, it is active in one's movements, scale dodges Bright hard, eyes become clear, and afterbody and four limbs are intact without incompleteness, are arranged in pairs or groups by sex ration 1: 2-3, it is desirable to the body weight and the back of the body of male crocodile First is all higher than female crocodile, and crocodile density is not above 1.3 tails/m2, the phase is matched, it some times happens that striving even phenomenon between male crocodile, is typically mutually hit 2-3 just stopping, such as finding mutually to hit the serious crocodile of situation, need to carry out same specification replacing, reach that kind of a crocodile gets along safely, during this period Feed is delivered, feed is aided with 1% with 30% chicken, 20% saltwater fish, 49% removing internal organ and fatty pig, beef Vitamin, feed is delivered in 17-19 points, supplies feed 3-5 times weekly, injected volume have after being fed with crocodile a little feed remaining as Standard, crocodile feed finish after to the timely cleaning of residual feed, water is changed daily 1 time, daily replacing 1/5 pond volume water;
Step 5: the collection and hatching of crocodile ovum:
Female crocodile collects crocodile ovum after nest spawning is dug in mud sump in 1-3 days, crocodile ovum is not stirred in operation, by the crocodile of collection Fish-egg is respectively put into two incubators of first, second by quantity than 1: 1, and the bottom of two incubators of first, second is equipped with wheat Straw, thickness is 15-20cm, sets a dividing plate between every two pieces of crocodile ovum, every two pieces of crocodile ovum at intervals of 5cm, in crocodile ovum Upper one layer of wheat straw through ultraviolet sterilization of lid, thickness is 15-20cm, and the temperature of the first incubator is maintained at 27-30 DEG C, described The relative humidity that the temperature of second incubator is maintained at air in 31-35 DEG C, described two incubators of first, second is held in 70%, The relative humidity of wheat straw is held in 60%, hatches young crocodile.
Preferably, the pool wall surface in the culturing pool and breeding pond is smooth, and higher than water surface 1.2-1.5m.
Preferably, the movable platform is provided with ultraviolet sterilizing lamp and spraying sterilizer, the spray disinfection device Thimerosal in contain 3wt% potassium permanganate.
Preferably, the water plant is the one or more in Herba Ecliptae, frogbit, paper sand-grass.
Preferably, first gentle slope surface is equipped with smooth ceramic tile.
Preferably, second gentle slope surface is equipped with cobblestone, and the cobblestone protrudes the surface 2- on the second gentle slope 4cm。
Preferably, the water in the culturing pool and breeding pond is mountain spring water or the running water of 1-2 days was shone through the sun.
The present invention at least includes following beneficial effect:
1st, the seed choosing method that the present invention is used, is chosen seeds according to the physilogical characteristics of Siam crocodile, the glittering hard explanation of scale The trace elements such as calcium, zinc are had no lack of in crocodile body, personality is fiery and forthright, and the bright explanation crocodile of eyes has remarkable depth perception energy Power and sleep is normal, with index is clear, feature clear advantage;
2nd, the culturing pool that the present invention is used is divided into movable platform and the first pond, makes crocodile that there is sufficient spatial choice to dwell Breath ground, sets the first gentle slope between movable platform and pond, and the angle of the first gentle slope and horizontal plane is 10-15 °, is to examine Consider the habit of crocodile and set up, make that crocodile is both effortless to be commuted between land and marshy land, also make between land and marshy land There is the distance of a buffering, do not pollute mutually as far as possible, movable platform accounts for the 1/2 of cultivation pool area, and higher than first pond Water surface 0.8-1.2m, crocodile is overlooked whole pond in movable platform, and made crocodile happy, also allow crocodile shine too Sun is more sufficient, and the planktonic organism on scale is killed, and the pH value of the first pond reclaimed water is 7-8, and water temperature is 28-31 DEG C, is reference The growth conditions of wild Siam crocodile, more preferable, the planting aquatic plants in the first pond for adapting to Siam crocodile of artificial domestication, It is that, in order to simulate the growing environment of wild Siam crocodile, and the water surface coverage rate of water plant is 40-50%, is energy when considering to raise See kind of a crocodile clearly, can be observed in time when kind of a crocodile is fallen ill, be to allow kind of a crocodile to adapt to by keeper's feeding of identical clothing Artificial feeding environment, does not produce resistance sense to people;
3rd, the breeding pond that the present invention is used is divided into mud sump and the second pond, and mud sump and the second pond pass through the second gentle slope phase Even, it is because Siam crocodile is had in mud in spawning provided with the baffle plate that height is 10-15cm between mud sump and the second gentle slope Carried out in pond, and the presence of baffle plate enables silt to enter less in the second pond as far as possible, water body is clear in the second pond of holding It is clean, mud amount is also saved, mud sump is only higher by the second pond 0.3-0.5m, be also that to consider Siam crocodile fondling in egg-laying season anxious, Can often it travel to and fro between mud sump and the second pond, the shorter of design facilitates Siam's crocodile motion, is equally planted in the second pond Plant water plant, but water surface coverage rate will relatively it is high once, be consider the egg-laying season Siam crocodile be more desirable to it is hidden oneself, otherwise can The problem of producing rattiness.
The present invention is based on experimental study for many years there is provided a set of Siam crocodile artificial fecundation method, and this method takes into full account The Biological characteristics of Siam crocodile, including behaviouristics feature, feeding habits feature, habitat feature, breeding ecology feature etc..Fortune With this method, the subject matter that current Siam crocodile artificial propagation faces, including seed selection, pairing, the choosing of pairing phase can be effectively solved Select, the problems such as property ratio, density, bait, breeding and environment of hatching are set, significantly reduce the disability in breeding mating process, cause The generation of dead event, significantly improves the spawning rate of female crocodile, significantly improves the incubation rate of crocodile ovum, realizes Siam crocodile artificial efficiently numerous Grow, secure good health crocodile seedling, provided for expansion Siam crocodile cultured populations, promotion species conservation, development scaleization cultivation solid Technical support, and this method human input is few, and cost is low, easily operation, the popularization for being conducive to Siam crocodile to propagate artificially.
Further advantage, target and the feature of the present invention embodies part by following explanation, and part will also be by this The research and practice of invention and be understood by the person skilled in the art.
Brief description of the drawings
Fig. 1 is the structural representation of culturing pool in the present invention;
Fig. 2 is the structural representation in breeding pond in the present invention.
Embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings, to make those skilled in the art with reference to specification text Word can be implemented according to this.
It should be appreciated that such as " having ", "comprising" and " comprising " term used herein do not allot one or many The presence or addition of individual other elements or its combination.
A kind of artificial fecundation method of crocodile, comprises the following steps:
Step 1: introduces a collection is selected
The young crocodile of Siam crocodile is caught using fanout free region mass trapping in the wild, fertile juvenile is selected, it is desirable to female crocodile body Long more than 100cm, male long more than the 130cm of crocodile body, it is healthy and strong, be active in one's movements, scale is glittering hard, eyes become clear, afterbody and Four limbs are intact without incomplete conduct kind crocodile;
Step 2: being raised and train before pairing
As shown in figure 1, it is 27-32 DEG C that will first plant crocodile and individually raise in environment temperature, area is 10-15m2Culturing pool In, environment quiet is kept, the culturing pool includes the pond 2 of movable platform 1 and first, the movable platform and first pond 2 are connected by the first gentle slope 3, and first gentle slope 3 is 10-15 ° with horizontal plane, and the area of the movable platform 1 accounts for described support The 1/2 of the area in pond is grown, the movable platform 1 is higher by the water surface 0.8-1.2m in first pond, and first pond 2 is deep 1.2-1.5m, the side wall in first pond 2 is provided with the first water inlet 201, is provided with relative other side wall bottom First delivery port 201, first pond 2 accommodates the water of its 3/4 volume, and the volume of the first pond 21/8 is changed in flowing daily Water, the pH value of the reclaimed water of the first pond 2 is 7-8, and water temperature is 28-31 DEG C, and aquatic plant is planted in first pond 2 Thing, the water surface coverage rate of water plant is 40-50%, from the kind crocodile from feed, daily by the raising people of identical clothing Member is fed with fish, chicken, duck, rabbit, and the material fed every time is raised and train 6 months in 50-100kg, makes kind of crocodile adapt to propagate environment artificially;
Step 3: setting breeding pond
As shown in Fig. 2 it is 30-40m that area is built in the place that Environment temperature is 25-35 DEG C2Breeding pond, retaining ring Border is quiet, and the breeding pond includes the second pond 5 and mud sump 4, and the mud sump 4 is connected with the second pond 5 by the second gentle slope 6, Provided with the mud guard that height is 10-15cm, second gentle slope 6 and the angle of horizontal plane between the gentle slope 6 of mud sump 4 and second For 10-15 °, the mud sump 4 accounts for the 2/5 of cultivation pool area, and the mud sump 4 is higher by the water surface 0.3-0.5m in second pond 5, The depth of second pond 5 1.5-1.8m, the side wall in second pond 5 is provided with the second water inlet 501, it is relative in addition One sidewall bottom is provided with the second delivery port 502, and second pond 5 accommodates the water of its 3/5 volume, and flowing daily changes described the The water of the volume of two pond 2 1/5, the pH value of the reclaimed water of the second pond 5 is 7-8, and water temperature is 28-31 DEG C, in second pond Planting aquatic plants in 5, the water surface coverage rate of water plant is 60-80%.
Step 4: artificial pairing
In annual December to March in Yi, a legendary monarch of Youqiong State in the xia Dynasty year, when temperature is 24-27 DEG C, it will adapt to propagate artificially Siam crocodile of the heat of environment It is put in breeding pond, it is desirable to female long more than the 170cm of crocodile body, male long more than the 180cm of crocodile body, it is healthy and strong, it is active in one's movements, scale dodges Bright hard, eyes become clear, and afterbody and four limbs are intact without incompleteness, are arranged in pairs or groups by sex ration 1: 2-3, it is desirable to the body weight and the back of the body of male crocodile First is all higher than female crocodile, and crocodile density is not above 1.3 tails/m2, the phase is matched, it some times happens that striving even phenomenon between male crocodile, is typically mutually hit 2-3 just stopping, such as finding mutually to hit the serious crocodile of situation, need to carry out same specification replacing, reach that kind of a crocodile gets along safely, during this period Feed is delivered, feed is aided with 1% with 30% chicken, 20% saltwater fish, 49% removing internal organ and fatty pig, beef Vitamin, feed is delivered in 17-19 points, supplies feed 3-5 times weekly, injected volume have after being fed with crocodile a little feed remaining as Standard, crocodile feed finish after to the timely cleaning of residual feed, water is changed daily 1 time, daily replacing 1/5 pond volume water;
Step 5: the collection and hatching of crocodile ovum
Female crocodile collects crocodile ovum after nest spawning is dug in mud sump 4 in 1-3 days, crocodile ovum is not stirred in operation, by collection Crocodile ovum is respectively put into two incubators of first, second by quantity than 1: 1, and the bottom of two incubators of first, second is equipped with Wheat straw, thickness is 15-20cm, sets a dividing plate between every two pieces of crocodile ovum, every two pieces of crocodile ovum at intervals of 5cm, in crocodile One layer of wheat straw through ultraviolet sterilization of lid on ovum, thickness is 15-20cm, and the temperature of the first incubator is maintained at 27-30 DEG C, institute The temperature for stating second incubator is maintained at the relative humidity of air in 31-35 DEG C, described two incubators of first, second and is held in 70%, the relative humidity of wheat straw is held in 60%, hatches young crocodile.
The pool wall surface in the culturing pool and breeding pond is smooth, and higher than water surface 1.2-1.5m.It can prevent crocodile from escaping Run, it is huge that crocodile seems body, bradykinesia, and the explosive force of crocodile is quite surprising in fact, if do not taken precautions against, and may injure raising Member, causes irredeemable consequence.
The movable platform 1 is provided with ultraviolet sterilizing lamp 101 and spraying sterilizer 102, the spray disinfection device Thimerosal in contain 3wt% potassium permanganate.Siam crocodile is liked shining the back of the body on sunny bank, so setting ultraviolet sterilizing lamp energy The parasite for parasitizing Siam's crocodile body surface is killed, and spray disinfection device is to be sterilized by the form of spraying to crocodile, equally Leave the rest of crocodile alone.
The water plant is the one or more in Herba Ecliptae, frogbit, paper sand-grass.
The surface of first gentle slope 3 is equipped with smooth ceramic tile, facilitates crocodile to commute the pond 2 of movable platform 1 and first, The moisture carried with crocodile is set just to be flowed back on the first gentle slope 3 in pond.
The surface of second gentle slope 6 is equipped with cobblestone 601, and the cobblestone protrudes the surface 2-4cm on the second gentle slope 6, The belly of egg-laying season crocodile can be massaged.
Water in the culturing pool and breeding pond is mountain spring water or the running water of 1-2 days was shone through the sun.
Although embodiment of the present invention is disclosed as above, it is not restricted in specification and embodiment listed With.It can be applied to various suitable the field of the invention completely., can be easily for those skilled in the art Realize other modification.Therefore under the universal limited without departing substantially from claim and equivalency range, the present invention is not limited In specific details and shown here as the legend with description.

Claims (8)

1. a kind of artificial fecundation method of Siam crocodile, it is characterised in that comprise the following steps:
Step 1: introduces a collection is selected:
The young crocodile of Siam crocodile is caught using fanout free region mass trapping in the wild, fertile juvenile is selected, it is desirable to which female crocodile body is long More than 100cm, male long more than the 130cm of crocodile body, it is healthy and strong, it is active in one's movements, scale is glittering hard, eyes become clear, afterbody and four Limb is intact without incomplete conduct kind crocodile;
Step 2: being raised and train before pairing:
It is 27-32 DEG C that crocodile, which will first be planted, and individually raised in environment temperature, and area is 10-15m2Culturing pool in, keep environment quiet, The culturing pool includes movable platform and the first pond, and the movable platform is connected with first pond by the first gentle slope, First gentle slope is 10-15 ° with horizontal plane, and the area of the movable platform accounts for the 1/2 of the area of the culturing pool, the work Moving platform is higher by the water surface 0.8-1.2m, the first pond depth 1.2-1.5m, the one of first pond in first pond Side wall is provided with the first water inlet, is provided with the first delivery port in relative other side wall bottom, first pond accommodates it The water of the volume of the first pond 1/8 is changed in the water of 3/4 volume, daily flowing, and the pH value of first pond reclaimed water is 7-8, Water temperature is 28-31 DEG C, the planting aquatic plants in first pond, and the water surface coverage rate of water plant is 40-50%, from kind From crocodile starts feed, fed daily by the keeper of identical clothing with fish, chicken, duck, rabbit, the material fed every time is in 50- 100kg, is raised and train 6 months, makes kind of crocodile adapt to propagate environment artificially;
Step 3: setting breeding pond:
Environment temperature is that to build area be 30-40m for 25-35 DEG C of place2Breeding pond, keep environment quiet, the breeding Pond includes the second pond and mud sump, and the mud sump and the second pond are connected by the second gentle slope, the mud sump and the second gentle slope it Between provided with the mud guard that height is 10-15cm, the angle of second gentle slope and horizontal plane is 10-15 °, and the mud sump accounts for cultivation The 2/5 of pool area, the mud sump is higher by the water surface 0.3-0.5m, the second pond depth 1.5-1.8m, institute in second pond The side wall for stating the second pond is provided with the second water inlet, and the second delivery port is provided with relative other side wall bottom, described Second pond accommodates the water of its 3/5 volume, and flowing daily is changed in the water of the volume of the second pond 1/5, second pond The pH value of water is 7-8, and water temperature is 28-31 DEG C, the planting aquatic plants in second pond, the water surface coverage rate of water plant For 60-80%;
Step 4: artificial pairing:
In annual December to March in Yi, a legendary monarch of Youqiong State in the xia Dynasty year, when temperature is 24-27 DEG C, Siam crocodile for the heat for propagating adaptation artificially environment is put in Breed in pond, it is desirable to female long more than the 170cm of crocodile body, male long more than the 180cm of crocodile body, it is healthy and strong, it is active in one's movements, the glittering heavily fortified point of scale Firmly, eyes become clear, and afterbody and four limbs are intact without incompleteness, by sex ration 1:2-3 is arranged in pairs or groups, it is desirable to which the body weight and carapace of male crocodile are equal More than female crocodile, crocodile density is not above 1.3 tails/m2, the phase is matched, it some times happens that striving even phenomenon between male crocodile, is typically mutually hit 2-3 times Just stop, such as finding mutually to hit the serious crocodile of situation, same specification replacing need to be carried out, reach that kind of a crocodile gets along safely, deliver during this period Feed, feed is aided with 1% dimension life with 30% chicken, 20% saltwater fish, 49% removing internal organ and fatty pig, beef Element, feed is delivered in 17-19 points, supplies feed 3-5 times weekly, injected volume by crocodile feed after there is a little feed residue to be defined, crocodile Fish feed finish after to the timely cleaning of residual feed, water is changed daily 1 time, daily replacing 1/5 pond volume water;
Step 5: the collection and hatching of crocodile ovum:
Female crocodile collects crocodile ovum after nest spawning is dug in mud sump in 1-3 days, crocodile ovum is not stirred in operation, by the crocodile ovum of collection It is respectively put into by quantity than 1: 1 in two incubators of first, second, the bottom of two incubators of first, second is equipped with wheat straw, it is thick Spend for 15-20cm, a dividing plate be set between every two pieces of crocodile ovum, every two pieces of crocodile ovum at intervals of 5cm, the lid one on crocodile ovum Wheat straw of the layer through ultraviolet sterilization, thickness is 15-20cm, and the temperature of the first incubator is maintained at 27-30 DEG C, the second hatching The relative humidity that the temperature of device is maintained at air in 31-35 DEG C, described two incubators of first, second is held in 70%, wheat straw Relative humidity is held in 60%, hatches young crocodile.
2. the artificial fecundation method of Siam crocodile as claimed in claim 1, it is characterised in that the pond in the culturing pool and breeding pond Wall surface is smooth, and higher than water surface 1.2-1.5m.
3. the artificial fecundation method of Siam crocodile as claimed in claim 1, it is characterised in that the movable platform is provided with ultraviolet Contain 3wt% potassium permanganate in thimerosal in line sterilamp and spraying sterilizer, the spray disinfection device.
4. the artificial fecundation method of Siam crocodile as claimed in claim 1, it is characterised in that the water plant be Herba Ecliptae, One or more in frogbit, paper sand-grass.
5. the artificial fecundation method of Siam crocodile as claimed in claim 1, it is characterised in that first gentle slope surface is equipped with Smooth ceramic tile.
6. the artificial fecundation method of Siam crocodile as claimed in claim 1, it is characterised in that second gentle slope surface is equipped with Cobblestone, the cobblestone protrudes the surface 2-4cm on the second gentle slope.
7. the artificial fecundation method of Siam crocodile as claimed in claim 1, it is characterised in that in the culturing pool and breeding pond Water is mountain spring water or the running water of 1-2 days was shone through the sun.
8. the artificial fecundation method of Siam crocodile as claimed in claim 1, it is characterised in that every in the culturing pool and breeding pond Deliver 30-40 tails ripe snakeheaded fish week.
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