Best Types of Music for Livestock Growth and Animal Welfare: A Complete Science-Based Guide

Best Types of Music for Livestock Growth and Animal Welfare

A practical, evidence-based guide for Rwandan and East African farmers on using sound and music to reduce stress, support welfare, and improve growth in cattle, poultry, pigs, and fish.

Drive through Nyagatare at five in the morning, and you will hear the usual sounds of a Rwandan dairy zone waking up: milk buckets clanging, cattle shifting in their kraals, and a radio crackling from a nearby house. On a growing number of modern farms across Rwanda, Kenya, and Uganda, that radio is no longer just background noise for the herder. It is switched on deliberately, inside the milking parlor, the broiler house, or the piggery, because a growing body of international animal science suggests that the right kind of sound can calm animals, lower stress hormones, and, in some cases, support better growth and production.

This is not the viral social-media trope of cows dancing to Mozart. It is an active, still-evolving field of veterinary and animal science research, one with genuinely mixed results, real limitations, and plenty of nuance that matters if you are the one deciding whether to spend money on a solar-powered speaker for your cowshed. This guide walks through what the current science shows for cattle, poultry, pigs, and fish, then translates it into something usable on a smallholding in Kayonza or a commercial layer farm on the outskirts of Kigali.

Why Sound Matters in Modern Livestock Farming

Animal welfare has moved from a niche ethical concern to a central pillar of competitive livestock agriculture. Processors, exporters, and regional markets increasingly expect production systems that keep animals calm and healthy, not only because it is the right thing to do, but also because chronically stressed animals are measurably less productive.

Prolonged stress triggers the release of hormones such as cortisol in mammals and corticosterone in birds. Elevated levels of these hormones are associated with depressed feed intake, weaker immune function, slower weight gain, and, in dairy cows, incomplete milk let-down during milking. Music and other forms of auditory enrichment are being studied as a low-cost way to counter this, alongside proven fundamentals such as good ventilation, adequate space, and reliable access to clean water and feed.

Sound-based enrichment is particularly attractive for African livestock producers for a simple reason: unlike imported genetics, climate-controlled housing, or feed additives, it can be nearly free. A radio, a mobile phone, or a small solar-powered speaker already exists on many farms. The real question is not whether farmers can access music, but which kind genuinely helps, and which kind can quietly do harm.

Check more on the Food and Agriculture Organization of the UnitedNations (FAO). Livestock and environmental enrichment resources. fao.org.

What the International Research Actually Shows

This field is still young, and outcomes vary by species, breed, music genre, tempo, volume, and even individual animal temperament. What follows summarizes credible peer-reviewed findings, species by species, and is honest about where the evidence is strong and where it remains contested.

Dairy Cattle: A Real but Inconsistent Milk Yield Effect

Dairy cattle are by far the most studied species in this field, and the picture is more complicated than popular headlines suggest. Several controlled trials report genuine benefits from slow, calming music. One widely cited study found that soft, slow-tempo music raised milk yield by roughly three percent, while fast or erratic music produced no benefit and occasionally reduced yield. A more recent trial comparing Indian classical Raga music and traditional Chinese five-element music against a silent control found a statistically significant rise in daily milk yield under both music treatments, alongside a better feed-to-milk conversion ratio.

Check more on Impact of music played in an automatic milking system on cows' milk yield and behavior — a pilot study. 

A Finnish pilot study using automatic milking systems found that playing similar-tempo music increased how often cows voluntarily visited the milking robot, suggesting the animals found the sound pleasant rather than disruptive. Other researchers have reported higher milk yields and lower stress-hormone metabolites in cows exposed to constant classical music compared with cows that heard music only inside the parlor or none at all.

Check more on Effect of different genres of music on behaviorand milking parameters of dairy cows during milking.

Not every study agrees. A trial on Jersey cows in Malaysia found milk yield actually declined after music exposure, and a Frontiers in Animal Science study concluded that while classical genres increased the volume of milk harvested during afternoon milking, they had no measurable effect on milking speed or flow rate. A review that compiled eight separate dairy-cattle studies found only two showing a clear production boost, five showing no effect or conditional effects, and one showing a decline. The most consistent thread across all of this research is that breed, tempo, and consistency of exposure matter more than the specific genre.

Check  more on Effect of music on milk yield and behavior of dairy cows.

Farmer Takeaway — Dairy • Favor slow, calm instrumental music (roughly 60–70 beats per minute) over fast or loud genres. • Play music consistently at the same time each day, ideally during milking, rather than intermittently. • Holstein-Friesian herds show more consistent positive responses in the literature than Jersey herds; monitor your own herd's behavior rather than assuming a universal effect.

Poultry: Lower Stress Hormones and Better Growth Under Crowding

The poultry evidence is arguably the strongest of any livestock category, particularly for broilers raised at high stocking density, a common condition on commercial Rwandan and East African poultry farms trying to maximize output from limited land. A 2023 study published through Frontiers in Veterinary Science found that broilers exposed to classical music under crowded conditions had significantly lower blood glucose, corticosterone, and adrenocorticotropic hormone levels than birds raised in silence, alongside improved daily weight gain and a better feed-conversion ratio. The same birds showed healthier spleen and bursa development, both markers of stronger immune function.

Check more on Effect of classical music on growth performance, stress level, antioxidant index, immune function, and meat quality in broilersat different stocking densities. Frontiers in Veterinary Science.

A separate 2024 trial using the ambient composition "Weightless" by Marconi Union, a piece often used in human relaxation therapy, found that relaxation-style music improved broiler production outcomes and reduced measurable stress indicators over the full rearing period. Earlier foundational research from the 1980s found that classical music combined with visual enrichment increased final broiler body weight by around sixty grams per bird, though the individual contribution of music alone was hard to isolate. Indian Raga-style classical music has also been shown to lower the same stress-hormone markers in broiler serum.

Check more on the impact of relaxation music (Weightless by Marconi Union) on productionperformance, welfare, and hematological and biochemical blood parameters inbroiler chickens.

Not all sound helps. High-volume noise, as opposed to music, has been linked to reduced final body weight in cockerels, and one study found no effect on quail weight gain from random, metallic, or reggae genres played at high volume, although classical and random music genres modestly improved egg production and feed conversion in the same birds. The takeaway for poultry farmers is that gentle, moderate-tempo, moderate-volume music consistently outperforms loud or erratic sound and appears especially useful as a buffer against the stress of high stocking density.

Check more on Filial imprinting, environmental enrichment, andmusic application effects on broiler performance. 

Farmer Takeaway — Poultry • Classical or calm instrumental genres played at moderate volume (roughly 60–70 decibels) show the most consistent stress-reduction benefits. • Music appears most valuable in crowded broiler houses, where it can partly offset the physiological cost of high stocking density. • Avoid loud, high-decibel playback; it can act as noise stress rather than enrichment and may reduce body weight.

Check more on The effect of noise and music on young meat chickens' behaviour and stress state.

Pigs: Calmer Sows, Healthier Piglets

Swine research has moved beyond simple stress measurement into full physiological and behavioral assessment. A 2024 study published in Scientific Reports designed a purpose-built "veterinary functional music" program for pigs and found measurable improvements in behavioral welfare scores, skin-lesion counts linked to aggression, and blood markers of chronic stress compared with an unexposed control group.

Check more on Effects of a veterinary functional music-based enrichment program on the psychophysiological responses of farm pigs. Nature Publishing Group. 

Perhaps the most striking findings come from reproduction. A 2026 study found that playing structured music to lactating sows reduced pre-weaning piglet mortality, partly by improving maternal behavior and reducing the likelihood of piglets being accidentally crushed. 

Check more on Effects of Music Therapy on Neuroplasticity,Welfare, and Performance of Piglets Exposed to Music Therapy in the Intra- andExtrauterine Phases.

Separate research on piglets exposed to music both before and after birth found improved birth weight and weaning weight, along with measurable changes in brain-derived neurotrophic factor, a marker of neurological development linked to stress resilience. Earlier physiological work found that Mozart played at 60 to 70 decibels reduced cortisol secretion in pigs, a direct sign of lower chronic stress.

Check more on how Musical stimulation in lactating sows affects pre-weaning piglet mortality and maternal behavior. 

Farmer Takeaway — Pigs • Music during gestation and lactation may improve sow calmness, maternal behavior, and piglet survival, not just adult pig comfort. • Moderate volume (around 60–70 decibels) mirrors the levels used in the most successful studies; louder is not better. • Piggeries are often the noisiest, most stressful housing on a farm; this is where auditory enrichment may have the most room to help.

Fish and Aquaculture: An Emerging but Promising Frontier

Sound therapy research has also reached aquaculture, an increasingly important sub-sector for Rwanda under the National Aquaculture Strategy 2023–2035. Early studies on Nile tilapia and other farmed species suggest that specific low-frequency sound patterns can reduce stress-related behaviors and support steadier feeding activity, echoing the calming effect seen in terrestrial livestock. This remains a smaller and newer body of research than the cattle, poultry, and pig literature, and Rwandan hatchery operators experimenting with sound should treat it as a low-cost trial rather than a proven technique.

FarmXpert Group readers interested in the aquaculture side of this topic can also read our companion piece on music and stress management in Nile tilapia farming, which looks specifically at cage and pond systems on Lake Kivu and Lake Muhazi.

Which Type of Music Actually Works Best?

Pulling the cattle, poultry, and pig research together, several consistent patterns emerge, even though no single genre works identically across every species and study:

•       Tempo matters more than genre. Slow, steady tempos in the range of roughly 60 to 70 beats per minute, close to a resting heart rate, are the common thread across the strongest positive results.

•       Classical and instrumental styles dominate the successful trials, likely because they avoid the sudden volume spikes and vocal intensity found in many popular genres.

•       Moderate volume, generally cited between 60 and 70 decibels, consistently outperforms loud playback. Loud or fast music (rock, high-decibel pop) is linked to neutral or negative outcomes in nearly every species studied.

•       Consistency beats novelty. Animals appear to benefit most from a predictable daily pattern rather than random or occasional exposure.

•       Silence still has a place. Continuous, unbroken sound is not the goal; researchers note that animals also need quiet periods to rest, and constant stimulation can itself become a stressor. 

     A dairy cow in a Rwandan zero-grazing unit near a small solar-powered speaker mounted on the stall wall.

Applying Music Therapy on Rwandan and East African Farms

Rwanda's livestock sector is large enough that even small welfare gains scale into meaningful national impact. According to MINAGRI's most recent annual estimates, the country's herd includes roughly 1.64 million cattle, 1.12 million pigs, and over 6 million poultry birds, spread across smallholder households, cooperatives, and a growing number of commercial operations. The government's Livestock Development Strategy 2024–2029 and the fifth Strategic Plan for Agriculture Transformation both emphasize productivity gains through improved animal husbandry, positioning low-cost welfare interventions like sound enrichment as a natural fit alongside genetic improvement and better nutrition.

Dairy Zones: Nyagatare, Kayonza, Bugesera, and Kirehe

Rwanda's Eastern Province dairy belt, anchored by zero-grazing units and growing milk collection center networks, is well suited to music-based enrichment because most zero-grazing units are small, enclosed, and already wired for electricity or solar power. A simple, cost-effective approach is to play calm instrumental music through a small solar speaker during the twice-daily milking routine, matching the consistency that the research associates with better outcomes, rather than leaving a radio on all day.

Poultry Farms: From Rubilizi-Supplied Broiler Units to Backyard Flocks

Commercial broiler houses supplied with day-old chicks from hatcheries such as Rubilizi often run at higher stocking densities to maximise returns on limited land, precisely the condition under which international research shows the strongest music-related stress reduction. Farmers already investing in heat-stress mitigation, shade netting, and improved ventilation can add a modest solar speaker at minimal extra cost, particularly during the hottest parts of the day when birds are under compounded heat and crowding stress.

Piggeries and Smallholder Pig Cooperatives

Pig cooperatives across districts such as Nyagatare, Huye, and Rulindo frequently house sows and growing pigs in confined pens with limited environmental stimulation. Given the research linking music during gestation and lactation to lower piglet mortality, cooperative-run breeding units may see the clearest returns on a small, shared speaker system, an investment that can be split among several member farmers.

Practical Cost Note • A basic solar-powered Bluetooth speaker suitable for a small zero-grazing unit or poultry house typically costs between RWF 15,000 and RWF 40,000 in Rwandan agro-input and electronics markets. • Farmers without reliable electricity or solar power can achieve similar consistency using a battery-powered radio tuned to a stable, low-volume station during milking or feeding hours. • This is a genuinely low-risk experiment: the main costs are the speaker itself and a small amount of management discipline to keep exposure consistent.

Quick-Reference Checklist for Farmers

Animal Type	Best Music Style	Tempo	Volume	When to Play
Dairy cattle	Slow classical / instrumental	60–70 bpm	Moderate	During milking, twice daily
Broilers & layers	Classical / gentle instrumental	Slow–moderate	60–70 dB	Daytime, especially in crowded housing
Pigs (sows & piglets)	Classical / functional veterinary music	60–70 bpm	60–70 dB	Gestation, farrowing, and lactation
Fish (tilapia)	Low-frequency calm sound	Steady, low	Low, non-startling	Feeding periods (experimental)

Common Mistakes and Honest Limitations

•   Playing loud or fast-tempo music, expecting the same benefits as calm music; several studies show this can be neutral or harmful, acting as noise stress rather than enrichment.

• Treating music as a substitute for good husbandry; no amount of classical music compensates for poor ventilation, overcrowding beyond the levels tested in these studies, or inadequate feed and water.

•    Expecting identical results across every breed and flock; Holstein and Jersey cattle, for example, have shown different, sometimes opposite, responses in published trials.

•   Running speakers continuously: researchers caution that animals also need quiet rest periods, and uninterrupted sound may reduce the intended calming effect.

•    Assuming the science is settled, this remains an active research area, and Rwandan and East African farmers experimenting with music should treat it as a promising, low-cost addition rather than a guaranteed solution. 

     A broiler house in a peri-urban Rwandan poultry farm with a small speaker mounted near the feeding line.

The Broader East African Context

Rwanda is not alone in exploring low-cost welfare technology. Commercial dairy operations in Kenya's Rift Valley and Uganda's central region are increasingly adopting environmental enrichment practices as part of broader efforts to meet processor and export quality standards, including those tied to the East African Community's harmonised animal welfare and food safety expectations. As regional milk, egg, and meat value chains compete for both domestic supermarket shelves and cross-border markets, welfare-conscious production is becoming a genuine market differentiator rather than a cost with no return.

For Rwandan producers targeting these regional value chains or supplying processors linked to the Rwanda Dairy Development Project and similar IFAD-supported initiatives, low-cost welfare interventions such as music therapy offer a way to strengthen production credentials without the capital investment required for climate-controlled housing or imported equipment.

Related Reading on FarmXpert Group • Modernizing Rwandan Aquaculture: Hatcheries, Feeds & Cold Chains • Heat Stress and THI Impacts on Pig Feeding in Rwanda • Poultry Stress Management: Seven Categories Every Rwandan Farmer Should Know • Dairy Cow Feeding Guide: NRC and FAO Standards Adapted for Rwanda

Take-home message: A Small Investment Worth Testing

The science on music and livestock is not a settled fact, but it is far more credible than casual skepticism might suggest. Across cattle, poultry, and pigs, a consistent pattern holds: slow, calm, moderate-volume music played consistently is associated with lower stress hormones, better immune markers, and in many trials, measurable production gains, while loud or erratic sound tends to help little or actively harm.

For Rwandan and East African farmers already managing tight margins, the appeal is straightforward. This is one of the few welfare interventions in modern livestock science that costs almost nothing to test. A solar speaker, a stable choice of calm music, and a few weeks of consistent observation is enough to see whether your own herd, flock, or piggery responds the way international research suggests it might.

Have you tried playing music on your farm, or are you planning to start? Share your experience in the comments, pass this guide on to a fellow farmer or cooperative member, and explore more practical, Rwanda-focused livestock guides on FarmXpert Group to keep building a more resilient, welfare-conscious farming operation.