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In New Zealand, every dairy farmer understands the importance of caring for the welfare of their animals. After all, the health and nutrition of your herd have a direct impact on profit margins and farm sustainability. Underfed or poorly nourished cows produce less milk, have lower fertility rates, and are more prone to illness, making proper dairy feed management key.
But an effective approach to nutrition management considers more than just the feed itself. Pasture management, supplementation, water supply, and adequate access to well-designed feeding areas, such as feed pads, are all vital factors in improving herd performance and milk production.
Balanced nutrition has a significant impact on milk yield, reproductive success, immunity, and overall longevity. Inconsistent feeding leads to metabolic disorders and a decline in production.
So, what are the nutritional requirements for cattle? Cows require a mix of energy (carbohydrates and fats), protein, fibre, vitamins, and minerals, alongside access to fresh, clean water. Each nutrient plays a role in maintaining digestion, immunity, fertility, and milk composition.
Cows thrive on pasture-based diets supported by silage, hay, and supplementary concentrates for energy and protein. In New Zealand, ryegrass-clover pastures form the foundation, generally complemented by maize silage, palm kernel extract, or meal blends.
The best feed is nutritionally balanced and locally available. High-quality pasture should always be the base, supported by fibre, starch, and protein sources. Feed choices should also align with your farming system, structures, bedding, and design.
Lactating cows need high-energy, high-protein diets to support milk production. Silage and concentrates should supplement pasture when energy demand is highest, particularly during early lactation.
Prior to calving and throughout pregnancy, cows require steady, moderate energy intake to maintain body condition without becoming overweight. Diets rich in minerals such as calcium, phosphorus, and magnesium support healthy calving.
Proper pasture management encompasses a range of critical components, including:
Rotational grazing systems transition cows from one paddock to another in an organised sequence, mimicking natural herd movements. This gives forage plenty of time to regrow, while continuously providing cows access to fresh cattle feed packed with the right nutrient requirements for quality milk production.
Regular soil testing and appropriate fertilisation ensure pastures have the nutrients necessary for healthy, productive forage. Maintaining soil fertility not only improves the quality of the grass cows consume in the short term but also supports long-term pasture sustainability and higher milk yields.
Weeds compete with desirable plants that actually meet the energy requirements of cows. Effective, total weed control, achieved through the use of herbicides or mechanical removal, ensures that the cattle feed offered is of top quality.
Adequate water flow ensures pastures grow consistently, especially during dry periods, to provide nutritious dairy cattle feed. It also limits herd stress, reducing the need for cattle to compete for limited forage.
Like cows and humans, pastures also need proper rest for regrowth. Calculated timing supports high-quality forage. Too short a rest time stunts its nutrients, while over-matured forage can cause digestibility issues in cows.
Regular monitoring of pasture growth, forage quality, and cow performance using tools, such as Body Condition Scores, confirms that feeding strategies are aligned with the herd’s nutritional needs. Consulting with a vet or dairy nutritionist can provide insights on how to optimise protein and energy intake, manage trace minerals, and plan supplementation.
A SmartShelters feeding pad is a hard-surfaced, controlled area designed for feeding and managing dairy cows. In New Zealand’s climate, covered feed pads provide protection from rain and sun, allowing farmers to maintain consistent nutrition throughout the year.
Feed pads help optimise cow health and milk yields by improving feed access, minimising waste, and reducing pasture damage during wet seasons. With a roofed structure, cows can feed comfortably without battling mud, heat stress, or spoiled silage.
Reduces pasture damage: Keeps cows off paddocks in poor weather, protecting soil structure and regrowth.Ensures consistent feed supply: Provides even access to quality feed, helping maintain energy balance and milk consistency.Reduces wastage: Prevents trampling and contamination, cutting costs and nutrient loss.Improves herd monitoring: Centralised feeding areas make it easier to observe feed intake, behaviour, and overall health.Supports better milk production: Stable, stress-free feeding conditions help cows eat more efficiently and convert feed into milk solids.
A mature dairy cow consumes 2.5%-4% of its body weight in dry matter daily, depending on body size, milk production, and the energy density of the feed.
To calculate feed requirements, multiply the cow’s body weight by the target dry matter intake percentage (DMI%). For example, a 600 kg cow at 3% DMI needs at least 18 kg of dry matter daily. Adjust this figure based on milk yield, pasture quality, and environmental conditions. Tools such as the DairyNZ FeedSmart calculator can help fine-tune rations to meet production goals.
Offer a balanced mix of pasture, silage, and high-quality supplements such as grains or by-products, ensuring constant access to clean water. Feed pads are ideal for managing this balance as they allow accurate rationing and keep feed dry and palatable.
Common nutrition-related disorders include milk fever (calcium deficiency), ketosis (energy imbalance), and grass staggers (magnesium deficiency). Preventive feeding strategies and mineral supplementation can help mitigate these issues.
Pasture alone may not meet all nutritional requirements. Supplementation with concentrates, hay, or silage ensures cows receive sufficient protein, energy, vitamins, and minerals.
Protein: Vital for milk production, growth, and reproduction.Copper & Minerals: Trace elements like copper are necessary for metabolic functions, Fat & Energy: Supplementary feeds support cattle fattening, body condition, and peak lactation yields.Balanced supplementation is essential for pregnant cows to maintain health and prepare for calving, as well as for lactating cows to sustain high milk production.
Hydration is critical for digestion, milk production, and thermoregulation. Clean, fresh drinking water ensures cows stay healthy and productive, and ensures consistent feed intake.
Combining solid pasture management, supplementation, and water supply with purpose-built feed pads ensures that your dairy cattle receive the nutrition they need efficiently and consistently. A comprehensive feed and nutrition approach enhances cow welfare, increases milk yields, and improves farm profitability.
At SmartShelters, our feed pads are designed to protect cows, support consistent feed intake, reduce heat stress, and preserve your pasture quality. These facilities make feeding management easier, allowing you to monitor intake, health, and production more effectively.
Contact us today to learn how a SmartShelters feed pad can transform your farm.
Talk to our team about our highly resilient commercial shelters, backed with a leading 12-year guarantee, and generations of experience. Please get in touch with SmartShalters on 0800 580 297.
Heat stress is no stranger to New Zealand dairy farmers, with drier regions of the country such as Northland, King Country, and the Bay Of Plenty each
averaging over 80 sweltering hot heat stress days every year.
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