Page 8 - Dairy Dimension - Mar-Apr 2025
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| Volume 1 | Issue 3 | Mar-Apr 2025                                    ARTICLE                                                                                            | Volume 1 | Issue 3 | Mar-Apr 2025


           Effect of Climate Change on                                                                                            safe, and nutritious food to meet their dietary needs and   2.   Impact on Forage and Feed Availability
                                                                                                                                                                                         regions.
                                                                                                                                  preferences for an active and healthy life. Food security
           Food Security of Dairy Animals                                                                                         is built upon four key pillars:                     India's dairy sector relies heavily on natural forages such
                                                                                                                                  1.  Availability – Sufficient food supply at local, national,
                                                                                                                                                                                      as grasses, legumes, and crop residues. Climate
                                                                                                                                     and global levels.
           and Their Performance                                                                                                  2.  Access – Economic and physical means to obtain   change—through erratic rainfall patterns, rising
                                                                                                                                                                                      temperatures, and frequent droughts—threatens the
                                                                                                                                     food.                                            supply and quality of these feed sources.
           Dr Harsimran Kaur , Dr Simranjeet Kaur , Dr Harinder Singh , Dr Ramandeep Singh 4                                      3.  Utilization – Proper use of food, including its   ·   Decline in Forage Quality and Quantity
                                              2
                                                                3
                           1
           1& 2    Ph.D., Punjab Agricultural University;   Excellent Enterprises, Khanna;                                           nutritional quality and how the body absorbs        In drought-prone states like Rajasthan, Maharashtra,
                                            3
           4  Professor, Punjab Agricultural University                                                                              nutrients.                                          and Gujarat, changing monsoon patterns have led to
                                                 Milk Production MMT                                                              4.  Stability – Consistent availability and access to food   declining fodder availability. Chakravarty et al. (2020)
          300                                                                                                                        over time, without disruptions.                     observed that repeated droughts are shrinking
                                                                                                                                  Climate change threatens all these pillar—disrupting   grazing lands, forcing farmers to rely on expensive
          250                                                                                                                     production through extreme weather, reducing access    feed alternatives.
                                                                                                                                  by harming agricultural incomes, compromising          Moreover, elevated temperatures reduce forage
                                                                                                                                  nutrition through lower-quality crops, and undermining   quality by degrading nutrient content and increasing
          200
                                                                                                                                  system stability.                                      indigestible fiber, thereby compromising dairy animal
                                                                                                                                  1.   Direct Effects of Climate Change on Dairy Animals  health, productivity, and milk yield.
          150                                                                                                                                                                            Rising Dependence on Commercial Feeds
                                                                                                                                  ·  Heat Stress and Reduced Milk Production          ·
                                                                                                                                     One of the most immediate effects of climate change      With natural forage becoming scarce, many farmers
          100                                                                                                                       on dairy animals is heat stress, particularly when   are switching to commercial feeds, which are often
                                                                                                                                    temperatures exceed 25–30°C. Cows and buffaloes      costly and not easily accessible to smallholder
                                                                                                                                    struggle to regulate their body temperature under    farmers. Climate change also impacts global grain
           50
                                                                                                                                    such conditions, resulting in reduced feed intake,   production, leading to price volatility and supply
                                                                                                                                    lower milk yield, and impaired reproduction. In      issues. Kumar et al. (2018) noted that fluctuating
            0                                                                                                                       regions like northern and central India, where       grain prices linked to weather events in exporting
               2010-11 2011-12 2012-13 2013-14 2014-15 2015-16 2016-17 2017-18 2018-19 2019-20 2020-21 2021-22 2022-23 2023-24
                                                                                                      Source: GoI DAHD              summer temperatures can exceed 40°C, the effects     countries have increased feed costs and further
          Climate Change: A Growing Threat to Global           is heavily dependent on climate factors such as                      are more severe.                                     strained dairy farm profitability.
          Agriculture and Food Security                        monsoons and temperature patterns, climate variability             ·   Studies (Mader et al., 2006) indicate that milk   3.   Economic Pressures on Smallholder Farmers
          Climate change refers to long-term changes in global   poses a direct threat to food production, farmer                   production may decline by 10–30% due to heat      ·   India's dairy industry is largely made up of
          weather patterns, primarily characterized by rising   livelihoods, and national food security. The                        stress. Cows also show behavioural changes, such as   smallholder farmers with limited livestock and
          temperatures, altered precipitation, and an increase in   consequences include increased food prices,                     increased resting time and reduced grazing, which   minimal resources. These farmers are especially
          extreme weather events such as droughts, floods, and   malnutrition, and potential social unrest.                         leads to lower food intake (Singh et al., 2019).    vulnerable to climate change
          heat waves. These changes are largely driven by human   India, being the world's top milk producer, is especially         Elevated cortisol levels from stress negatively affect   ·  Rising Costs and Reduced Incomes
          activities such as deforestation, industrial emissions, and   vulner able to such climatic changes. The dairy sector      reproduction, causing delayed estrus and higher      Increased expenses for feed, water, and veterinary
          the burning of fossil fuels, which contribute to the   not only contributes significantly to the national                 stillbirth rates                                     care are cutting into already-thin profit margins.
          buildup of greenhouse gases in the atmosphere. As a   economy but also serves as a vital nutritional source             ·   Animal Health and Disease Risks                    Singh et al. (2019) estimated that climate-related
          result, global temperatures have risen, disrupting   especially for the country's large vegetarian population,             Heat stress compromises the immune system,          losses in productivity and rising costs could reduce
          ecosystems and climatic stability.                   for whom milk is the primary source of animal protein.               making animals more susceptible to diseases such as   small farm incomes by 15–25%.
          According to the Intergovernmental Panel on Climate   Climate change is likely to disrupt milk production                 mastitis, respiratory infections, and foot rot. Ghosh      Additionally, irrigation-dependent fodder crops are
          Change (IPCC), the Earth's average temperature has   potential, which could have far-reaching effects on                  and Samui (2020) found that stressed animals are at   being affected by water scarcity, escalating local
          increased by about 1°C above pre-industrial levels and is   nutrition and health of both dairy animals and humans         increased risk of infections, escalating veterinary   tensions over water usage and threatening long-term
          expected to rise by an additional 1.5°C to 2°C by mid-  as well as overall income security.                               treatment costs. Additionally, rising temperatures   sustainability.
          century if current emission levels persist. These    Understanding Food Security                                          and altered rainfall also promote vector-borne    ·  Threats to Food Security
          temperature changes have serious implications for    The Food and Agriculture Organization (FAO) defines                  diseases such as foot-and-mouth disease and          Milk remains a vital source of nutrition for many
          agriculture, affecting crop yields, water availability, and   food security as a situation where all people, at all times,   bluetongue. ICAR reports highlight the growing risk   Indians, especially in rural areas. Disruptions in milk
          livestock health. In countries like India, where agriculture   have physical, social, and economic access to sufficient,   by increased mosquito and tick activity in hotter
                                                                                                                                                                                         production can lead to supply shortages and price


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