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Cattle can change forest conditions in Madagascar locally, both through their direct use of forest and through fire associated with pasture management. At Bezà-Mahafaly, park information reports zebu wandering and using forest as refuge, with damage to the understory; a site manager also identifies fire linked to renewing pasture and claiming land as a pressure. These accounts show possible pathways, not proof that cattle alone are driving island-wide forest loss or measured declines in wildlife.
How cattle can affect forests and wildlife
The effects depend on where cattle go and how pasture is managed. The available site accounts point to two distinct routes: animals entering forest, and fire associated with pasture renewal or land claims. They do not quantify the area affected or establish how much change each route causes. Keeping those pathways separate helps explain what is documented and what remains uncertain.
Direct use of forest
Madagascar National Parks’ information for Bezà-Mahafaly lists “Zebu wandering” among pressures at the site. A separate protected-area profile reports that cattle use forest as a refuge from cattle rustlers and that the animals damage the understory. This is a direct, site-level account of cattle use and vegetation disturbance.
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Fire associated with pasture management
The Bezà-Mahafaly profile also relays a site manager’s account that fire is a notable problem associated with renewing zebu pasture and claiming new land. This connects cattle management with a potential forest pressure, but it is an attributed local account rather than evidence that every fire is set for cattle, that every fire reaches forest, or that cattle cause all observed forest loss.
Fire and animals entering forest are different mechanisms. An account of pasture-renewal fire should not be combined with the observation of understory damage as though they were one measured process. The sources identify both as concerns at a particular protected-area site, without providing a controlled comparison of their effects.
That distinction also affects what further evidence would be needed. To estimate direct grazing pressure, observers would need information such as where cattle enter, how often, and what vegetation changes there. To attribute forest change to pasture fire, records would need to connect fire locations and timing with pasture management and subsequent habitat effects. The park accounts identify concerns, but do not provide those measurements.
What the Bezà-Mahafaly example tells us
Bezà-Mahafaly makes the issue concrete while also showing why place matters. Madagascar National Parks describes the protected area as containing gallery forest and xerophilous thicket. Its information lists wildlife including lemurs, a radiated tortoise, birds and other fauna. These habitat and species descriptions provide local context for why forest disturbance may matter; they are not a complete inventory of Madagascar’s wildlife.
The park listing and profile support a limited set of conclusions: cattle wandering is identified as a pressure; forest is reported as a refuge for cattle escaping rustlers; understory damage is reported; and a site manager associates fire with pasture renewal and land claims. They do not give a grazing count, map the affected forest, quantify the frequency or severity of disturbance, or demonstrate that cattle caused a particular change in wildlife abundance.
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That distinction is important when interpreting wildlife effects. If vegetation structure changes, habitat conditions may change too. But a plausible ecological pathway is not the same thing as a measured outcome. The material available for Bezà-Mahafaly does not establish that a named lemur, tortoise, bird or other species has declined because of cattle grazing.
Why one site cannot stand for the whole island
Madagascar’s cattle systems and forests are not uniform. A 2022 article by Randrianasolo and colleagues specifically concerns cattle production systems in the dry forests of northwest Madagascar and cautions about forest-landscape-restoration approaches in drylands. The available account does not establish the article’s detailed methods or results, so it cannot support a more specific claim about which production practices succeed, how much forest changes, or what outcomes were measured.
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One free scan finds every outdated or missing driver and matches the right update for your exact hardware.Free scan · exact hardware matchA 2007 chapter addresses cattle-system dynamics in a forest area of the highlands. That is a different regional and ecological context from northwest Madagascar’s dry forests. Neither work should be treated as a representative account of all cattle keeping or all forests on the island. The Bezà-Mahafaly site accounts likewise describe a local protected area, not a national pattern.
When comparing claims about cattle and forest change, ask four questions: what region and forest type were studied; whether cattle were wandering, using forest as refuge, or being managed on pasture; whether the proposed pathway is direct animal use or fire; and whether the evidence is a park pressure listing, a site manager’s observation, or a peer-reviewed study. These evidence types can complement one another, but they do not have the same scope or establish the same level of causation.
For example, a pressure listing can flag an issue for a protected area, while a manager’s account can describe a locally observed concern and a defined regional study can examine cattle production in its own setting. Those sources answer different questions. None, as described here, supplies a standardized comparison of grazing intensity or outcomes across the highlands, dry forests and Bezà-Mahafaly.
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National context: cattle and conservation coverage
The reported cattle figure
Madagascar’s Ministry of Agriculture and Livestock reported 9,124,000 cattle in a sector overview dated 24 January 2025. That figure establishes the national scale of cattle in the country’s livestock context. It is not a count of animals grazing in forests or protected areas, does not indicate how herds are distributed, and is not a new 2026 census. It cannot by itself measure ecological pressure.
A national herd total and a local forest observation are different kinds of information. The total helps explain why cattle matter in the country’s agricultural and livestock context, but it does not tell readers how many animals use a particular habitat, what practices are used there, or how those practices affect vegetation. Those local details are essential before drawing conclusions about grazing pressure.
Protected-area coverage
A 2023 review published in Science reports that protected areas cover 10.4% of Madagascar’s land area. It also reports that the network includes at least part of the known range of 97.1% of terrestrial and freshwater vertebrates and 67.7% of plant species. These are measures of spatial coverage, not proof that every covered species is secure or that protected areas are effectively enforced.
The same review discusses threats beyond livestock, including unsustainable agriculture and overexploitation. Its national conservation figures therefore do not isolate cattle as a cause of forest or biodiversity change. They describe the reach of the protected-area network, not grazing intensity, habitat condition, or the share of ecological change attributable to any one pressure.
Coverage figures also should not be mistaken for a measure of what happens inside protected areas. A species’ known range overlapping a protected area says that some of its mapped range is covered; it does not establish the quality of that habitat or eliminate pressures at a particular site. Bezà-Mahafaly’s local accounts are relevant precisely because they identify stated pressures in one protected-area setting, without resolving national effectiveness.
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What the evidence supports—and what it does not
Supported by the available accounts
- At Bezà-Mahafaly, park information identifies zebu wandering as a pressure.
- A protected-area profile reports forest use as refuge from cattle rustlers and associated understory damage.
- A site manager’s account links fire with renewing zebu pasture and claiming land.
- Researchers have examined cattle production systems in northwest Madagascar’s dry forests, while another publication concerns cattle-system dynamics in a highland forest area.
Not established by these sources
- How many cattle enter forests or protected areas, how often they do so, or how much land is affected.
- Whether cattle grazing is the primary driver of forest loss nationally, or the share of change attributable to cattle compared with other pressures.
- A measured cattle-caused decline in lemurs, radiated tortoises, birds, plants or other wildlife.
- That pasture-renewal fire accounts for every fire, or that all fire-related forest change is connected to cattle.
- Which specific cattle-management or restoration intervention would work best across Madagascar’s different regions and forest types.
Those limits do not mean the local reports are unimportant. They mean that a responsible explanation should distinguish a documented pressure from its possible ecological consequences, and both from a national trend that has not been demonstrated by these sources.
Why livelihoods belong in the explanation
Cattle are part of Madagascar’s livestock context, and the sources describe production systems rather than a single uniform way of keeping animals. The reports of cattle using forest as refuge and pasture renewal through fire describe pressures and practices in a local setting; they do not justify treating all herders as acting alike or assuming that conservation and local livelihoods must be opposed.
That distinction matters for interpreting the problem. The evidence identifies where forest conditions may be affected and what pathways are reported, but it does not establish a complete account of the economic or social reasons behind each practice, nor does it evaluate a particular policy response. A claim about solutions would need evidence about the local production system, forest type, and people affected—not just a national herd total or a general description of protected-area coverage.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.How to read future claims about grazing and forest change
When a report says cattle are changing a forest, check whether it identifies a specific place and pathway. Evidence that animals wander into a protected area is not automatically evidence of a quantified loss of vegetation. An account of understory damage does not by itself show a wildlife decline. A report linking fire to pasture renewal does not mean all fires have that cause. Each claim answers a different question.
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The clearest current answer is therefore local and mechanism-based: cattle use and pasture-related fire are reported pressures that can affect forest conditions at Bezà-Mahafaly, while research has also addressed cattle production in other defined forest contexts. The available evidence does not establish that cattle alone explain Madagascar’s forest change or quantify cattle-driven wildlife declines.
Frequently Asked Questions
How does cattle grazing affect Madagascar’s forests and wildlife?
At Bezà-Mahafaly, park information identifies zebu wandering as a pressure, and a protected-area profile reports forest refuge use and understory damage. A site manager also associates fire with pasture renewal and land claims. These are local reports of possible pathways; they do not quantify forest change or prove a cattle-caused wildlife decline.
Does cattle grazing cause deforestation across Madagascar?
The cited accounts do not establish cattle grazing as the primary driver of forest loss nationally. They describe local pressures at Bezà-Mahafaly and research focused on particular forest regions. The 2023 conservation review also discusses other threats, including unsustainable agriculture and overexploitation.
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Are Madagascar’s protected areas enough to protect wildlife from cattle?
A 2023 review reports that protected areas cover 10.4% of Madagascar’s land and include at least part of the known range of many terrestrial and freshwater vertebrates and plants. Those are coverage statistics, not measures of enforcement or habitat condition. Bezà-Mahafaly’s stated pressures show that local conditions still matter, but the cited information does not measure protection effectiveness.
How many cattle are in Madagascar?
Madagascar’s Ministry of Agriculture and Livestock reported 9,124,000 cattle in a sector overview dated 24 January 2025. This is a national livestock figure, not a count of cattle grazing in forests or a 2026 census.
The Bottom Line
Cattle use and pasture-related fire are reported local pressures at Bezà-Mahafaly, where park information also describes gallery forest, xerophilous thicket and wildlife. These accounts show how cattle-related practices may affect forest conditions, but they do not establish island-wide causation or measured cattle-driven wildlife declines. The Ministry’s 2025 national herd figure and Madagascar’s protected-area coverage statistics provide context, not a measure of grazing impact.
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