Continuous control device for harmful rats on high and cold grassland ground

Abstract

The utility model relates to the technical field of grassland rat control, in particular to a continuous control device for high and cold grassland ground rats, which comprises a rat-proof net for isolating the rats, a blocking net for limiting free movement of the rats and a trap for capturing the rats. The trap comprises a PVC (polyvinyl chloride) pipe with two open ends and a mouse trap capable of being freely bounced off in the pipe; a rat-proof net is vertically mounted around the edge of the rat grassland control area in a flush manner; stopping nets are vertically installed in the pest rat grassland control area in a flush mode; and a trap (a PVC (polyvinyl chloride) pipe and a mouse trap) is arranged in the soil layer under the blocking net. A traditional TBS fence system is optimized, the PVC pipe with the two open ends is adopted to replace a mouse trapping barrel, the mouse trap is additionally arranged, the death rate of harmful rats is increased, the installation depth of the trap can be reduced, labor cost and laying difficulty are saved, and the high-cold grassland ground harmful rat prevention and control device is more suitable for high-cold grassland ground harmful rat prevention and control.

Description

Technical Field

[0001] This utility model relates to the field of grassland rodent control technology, specifically to a continuous control device for ground rodent pests in high-altitude grasslands. Background Technology

[0002] Currently, grassland ecological restoration and rodent control technologies primarily rely on chemical pesticides, supplemented by physical trapping, biological control, and ecological restoration. Chemical pesticide control, due to its low cost and rapid effectiveness, has become the main method for controlling grassland rodents, but it inevitably exposes some problems, such as environmental pollution, rodent resistance, and short-lived effectiveness. Compared to chemical control, physical control is more environmentally friendly, mainly using tools to target specific rodent pests, but its disadvantages include being time-consuming and labor-intensive. In biological control, hawk trapping and rewilding foxes are the main measures for controlling natural enemies of grassland rodents in China, but these methods have long implementation cycles and their effects are not significant in the short term. Ecological restoration mainly refers to improving grassland management measures, primarily by reducing the suitability of grassland rodent habitats to suppress rodent populations and reduce livestock losses. For example, fencing and reseeding can reduce rodent food sources, increasing their predation risk and thus lowering rodent density.

[0003] With continuous improvements in rodent control methods, a harmless and green rodent control technology has emerged abroad: the trap-barrier system (TBS). This technology is characterized by its environmental friendliness, lack of use of rodenticides and other pesticides, and absence of environmental pollution. Domestic and international journal articles and patents have provided detailed descriptions of the trap-barrier system. However, this technology is currently mainly applied in agricultural areas where installation is convenient, primarily targeting smaller rodents such as field mice, house mice, and brown rats. Its application to larger ground-dwelling rodents such as plateau pikas in alpine grasslands or meadows is rarely reported. Utility Model Content

[0004] The purpose of this invention is to provide a continuous control device for rodent pests on alpine grasslands, in order to solve the problems mentioned in the background art.

[0005] This utility model provides the following technical solution:

[0006] To achieve the above objectives, the technical solution adopted by this utility model is as follows: a continuous control device for ground rodent pests in high-altitude grasslands, comprising a rodent-proof net for isolating rodents, a barrier net for restricting the free movement of rodents, and a trap for catching rodents; the trap comprises a PVC pipe and a rat trap installed underground; the PVC pipe is open at both ends, buried underground, and its upper end is flush with the ground; the rat trap is a ground rat trap that can be freely opened in the PVC pipe, and when a rodent falls into the trap, the rat trap captures the rodent.

[0007] A rodent-proof net is installed vertically around the edge of the rodent-infested grassland control area to enclose the rodent-infested grassland control area. The rodent-proof net is a metal mesh with an aperture of less than or equal to 2 cm and a height of more than or equal to 10 cm above the ground.

[0008] Several sets of the aforementioned barrier nets are vertically arranged at ground level within the rodent-proof grassland control area. The barrier nets are metal meshes with an aperture of less than or equal to 2cm, a length of more than or equal to 10m, and a ground height of more than or equal to 20cm.

[0009] Along the extension direction of the barrier net, three or more traps are buried in the grass soil layer directly below each group of barrier nets. When the number of traps in each group is two or more, the distance between any two traps in the same group is 2.5m or more.

[0010] Furthermore, the wire diameter of the rodent-proof mesh is 0.2 to 1.0 cm.

[0011] Furthermore, the wire diameter of the barrier net is 0.05 to 0.2 cm.

[0012] Furthermore, the ground height of the barrier net is 30cm.

[0013] Furthermore, the trap is constructed from PVC pipes and mousetraps.

[0014] Furthermore, the inner diameter of the PVC pipe is greater than or equal to 20cm, and the depth is 20 to 50cm.

[0015] Furthermore, the PVC pipe has an inner diameter of 20cm and a depth of 30cm.

[0016] Furthermore, the mousetrap is a ground-mounted mousetrap that can spring open freely within a PVC pipe.

[0017] Compared with the prior art, the beneficial effects of this utility model are:

[0018] This invention proposes a sustainable control method for ground rodents in high-altitude grasslands. Based on the grassland types of the Qinghai-Tibet Plateau and the physiological and ecological characteristics of ground rodents, and combined with rodent control methods in agricultural areas, it proposes a sustainable control method for ground rodents in high-altitude grasslands. This method protects the ecological balance of grasslands, maintains the stable development of animal husbandry in plateau areas, and has good application value. Compared with other rodent control methods on grasslands, this invention increases the mortality rate of rodents by using rat traps, reduces the possibility of rodents escaping, reduces the difficulty of trap installation in plateau areas, and avoids environmental pollution and livestock ingestion caused by rodenticides. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the barrier net and trap of this utility model. Detailed Implementation

[0020] The rodent-infested grassland control zone refers to the grassland where rodents are present. Rodent-proof netting is installed around the edge of the control zone to create a closed area that isolates rodents, preventing their spread outwards and preventing rodents from other areas from entering the control zone. Furthermore, such as... Figure 1 As shown, the barrier net 1 extends in a straight line to prevent the free movement of rodents. Due to the habits of rodents, when they encounter the barrier net 1, they will move along the direction of its extension and fall into the trap 2, where they will be captured by the PVC pipe 21 and the rat trap 22. This method uses a combination of rodent-proof netting, barrier net 1, and trap 2. By reducing the difficulty of installing the trap 2 and increasing the mortality rate of rodents, it can control rodents on the ground in alpine grasslands in a long-term, green, and sustainable manner. The following examples illustrate this method.

[0021] 1. Implementation location:

[0022] Grassland in Gengda Village, Zhuqing Town, Dege County, Ganzi Tibetan Autonomous Prefecture, Sichuan Province.

[0023] 2. Grassland Overview:

[0024] The grasslands in question are natural grasslands, primarily alpine meadow soils, with main grass species including Kobresia pygmaea, Polygonum viviparum, and Ranunculus brotherusii. Rodent infestation is extremely severe, even leading to rodent-infested wastelands and rendering the grasslands unusable for grazing. Currently, the main rodent pests affecting these grasslands are the Tibetan Plateau rodents such as the Tibetan pika (Ochotona curzoniae), the Tibetan mole rat (Eospalax baileyi), and the Qinghai field mouse (Lasiopodomysfuscus).

[0025] 3. Example:

[0026] The grassland will be divided into four rodent-prone grassland control zones of equal size, each zone being 13 mu (approximately 1.5 acres). Each control zone will be naturally separated by high and low earthen ridges, with a spacing of 60m to 80m. These zones are designated as Zone A, Zone B, Zone C, and the blank zone CK.

[0027] Example 1

[0028] In this embodiment, the rodent-infested grassland control area is area A. In area A, the following methods are used to control rodents on the grassland ground: including rodent-proof netting for isolating rodents, barrier netting 1 for restricting the free movement of rodents, and traps 2 for catching rodents, wherein the traps 2 are PVC pipes 21 and rat traps 22.

[0029] The rodent-proof netting is installed vertically around the edge of the rodent-proof grassland control area to enclose the rodent-proof grassland control area. The rodent-proof netting is a metal mesh with a 1cm aperture, a ground height of 30cm, and a depth of 20cm underground.

[0030] Eight sets of the aforementioned barrier nets 1 are vertically arranged at ground level within the rodent-infested grassland control area. The barrier nets 1 are metal nets with a mesh size of 1cm, a length of 10m, a height of 30cm, and extending in a straight line.

[0031] Along the extension direction of the barrier net 1, traps 2 are buried in the grass directly below each group of barrier nets 1. The traps 2 are PVC pipes 21 with an inner diameter of 20cm and a height of 30cm and ground mouse traps 22 that can freely spring open inside the pipes. The distance between every two traps 2 in the same group is 2.5m.

[0032] Example 2

[0033] In this embodiment, the rodent-infested grassland control area is area B. In area B, the following method is used to control rodents on the grassland ground: including a rodent-proof net for isolating rodents, a barrier net 1 for restricting the free movement of rodents, and a trap 2 for catching rodents, wherein the trap 2 is a PVC pipe 21 and a rat trap 22.

[0034] The rodent-proof netting is installed vertically around the edge of the rodent-proof grassland control area to enclose the rodent-proof grassland control area. The rodent-proof netting is a metal mesh with a 1cm aperture, a ground height of 30cm, and a depth of 20cm underground.

[0035] Eight sets of the aforementioned barrier nets 1 are vertically arranged at ground level within the rodent-infested grassland control area. The barrier nets 1 are metal nets with a mesh size of 1cm, a length of 30m, a height of 30cm, and extending in a straight line.

[0036] Along the extension direction of the barrier net 1, traps 2 are buried in the grass directly below each group of barrier nets 1. The traps 2 are PVC pipes 21 with an inner diameter of 20cm and a height of 30cm and ground mouse traps 22 that can freely open inside the pipes. The distance between every two traps 2 in the same group is 5m.

[0037] Example 3

[0038] In this embodiment, the rodent-infested grassland control area is area C. In area C, the following methods are used to control rodents on the grassland ground: including rodent-proof netting for isolating rodents, barrier netting 1 for restricting the free movement of rodents, and traps 2 for catching rodents, wherein the traps 2 are PVC pipes 21 and rat traps 22.

[0039] The rodent-proof netting is installed vertically around the edge of the rodent-proof grassland control area to enclose the rodent-proof grassland control area. The rodent-proof netting is a metal mesh with a 1cm aperture, a ground height of 30cm, and a depth of 20cm underground.

[0040] Eight sets of the aforementioned barrier nets 1 are vertically arranged at ground level within the rodent-infested grassland control area. The barrier nets 1 are rectangular metal meshes with a mesh size of 1cm, a length of 60m, and a height of 30cm.

[0041] Along the extension direction of the barrier net 1, traps 2 are buried in the grass directly below each group of barrier nets 1. The traps 2 are PVC pipes 21 with an inner diameter of 20cm and a height of 30cm and ground mouse traps 22 that can freely open inside the pipes. The distance between every two traps 2 in the same group is 5m.

[0042] Control group 1

[0043] No ground rodent control measures were implemented in the CK blank control area, which served as a blank control group.

[0044] Implementation Results

[0045] Two circular quadrats with a radius of 14.1m were selected in each control area. The number of effective burrows was determined by the hole-blocking and burrow-stealing method inside the quadrats. All burrows in the quadrats were covered with loose soil. After 24 hours, the number of open rat burrows was counted, which is the number of effective burrows. The effective rat burrows before and after rat extermination were recorded. The extermination effect was calculated according to the following formula. The specific implementation results are shown in Table 1.

[0046] Elimination rate (%) = (Number of effective vents before test - Number of effective vents after test) / Number of effective vents before test × 100%

[0047] Table 1. Efficacy of continuous rodent control methods in eliminating ground rodent pests on grasslands.

[0048]

[0049] Note: The number of openings before the test was measured in July; the number of openings after the test was measured in August.

[0050] As shown in Table 1, after one month, the number of rat burrows in areas A (10m open straight barrier net), B (30m open straight barrier net), and C (60m closed rectangular barrier net), where rat netting, barrier net 1, and trap 2 were installed, all decreased, with area B showing the largest decrease. The average rat control efficacy in areas A, B, and C were 27.72%, 35.60%, and 26.91%, respectively, while the average rat control efficacy in the blank control group (CK area) was -28.23%. This indicates that the combination of 30m open straight barrier net 1 and trap 2 has the best rat control effect, followed by 10m open straight barrier net 1, and 60m closed rectangular barrier net 1 has the worst effect, but the rat control effect of all of them is much greater than that of the blank control area.

[0051] Data results show that in rodent-prone grassland control areas, after installing rodent-proof netting, the combination of PVC pipe 21 and rat trap 22 can effectively control rodents for different lengths of barrier netting 1 and spacing of traps 2. The combination with 30m open straight barrier netting 1 has the best rodent control effect. It can be seen that the combination of PVC pipe 21 and rat trap 22 trap 2, used in conjunction with rodent-proof netting and barrier netting 1, can achieve green and sustainable control of ground rodents in grasslands, thereby reducing labor input, maintaining the health of grassland ecosystems, and promoting the development of animal husbandry. It has certain application value in controlling ground rodents in alpine grasslands.

[0052] The above embodiments are merely preferred embodiments of this utility model, and the protection scope of this utility model is not limited to the above embodiments. All technical solutions falling within the scope of this utility model's concept are within its protection scope. It should be noted that improvements and modifications made by those skilled in the art without departing from the principle of this utility model should also be considered within its protection scope.

Claims

1. A device for the sustained control of ground-dwelling rodents in alpine meadows, characterized in that The invention relates to a rodent control system comprising a rat-proof net for isolating the rodent, a barrier net (1) for limiting the freedom of movement of the rodent, and a trap (2) for catching the rodent, wherein the trap (2) comprises a PVC tube (21) and a rat trap (22); The rat-proof net is installed vertically around the edge of the rodent grassland control area to enclose the rodent grassland control area, and the rat-proof net is a metal net with an aperture less than or equal to 2 cm and a ground portion height greater than or equal to 10 cm; A plurality of groups of the barrier net (1) are arranged vertically in the rodent grassland control area, and the barrier net (1) is a metal net with an aperture less than or equal to 2 cm, a length greater than or equal to 10 m, and a ground height greater than or equal to 20 cm; Along the extension direction of the barrier net (1), a plurality of traps (2) are buried in the grassland soil layer directly below each group of the barrier net (1), and when the number of traps (2) in each group is greater than or equal to two, the distance between each two traps (2) in the same group is greater than or equal to 2.5 m, and the trap (2) is composed of a PVC tube (21) and a rat trap (22).

2. The device for persistent control of ground rodents in alpine meadow according to claim 1, characterized in that: The wire diameter of the rat-proof net is 0.2 to 1.0 cm.

3. The device for persistent control of ground rodents in alpine meadow according to claim 1, characterized in that: The wire diameter of the barrier net (1) is 0.05 to 0.2 cm.

4. The device for persistent control of ground rodents in alpine meadow according to claim 1, characterized in that: The PVC tube (21) has openings at both ends, an inner diameter greater than or equal to 20 cm, and a length of 20 to 50 cm.

5. The device for persistent control of ground rodents in alpine meadow according to claim 1, characterized in that: The rat trap (22) is a ground rat trap (22) that can freely spring open in the PVC tube (21).

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