Review Article of International Journal of Animal Research
LIVESTOCK AND LIVESTOCK PRODUCT TRENDS BY 2050: REVIEW
Melkamu Bezabih Yitbarek
Department of Animal Sciences, College of Agriculture and Natural Resources, Debre Markos University
This review was done on livestock and livestock product trends by 2050 from different scientific papers. Globally, livestock and livestock products are changing rapidly in response to human population growth (9.2 billion), urbanization (70%), and growing incomes (1.1-3.1%) by 2050. More than 60 billion land animals are used worldwide for meat, egg, and dairy production. The global livestock population could exceed 100 billion by 2050, pig meat by 290%; sheep and goat meat by 200%; beef and buffalo meat by 180%; milk by 180%; poultry meat by 700%; and egg by 90%. In 2004, livestock consumes nearly 43% of feed and could rise to 48–55% by 2050. Global feed demand will be almost doubled, and 1.3 billion tonnes of grain is consumed by farm animals each year. The average grazing intensities in the world are expected to increase by about 70%, from 0.19 in 2000 to 0.098 Tropical Livestock Unit (TLU) per ha in 2050 and uses one-third of the world’s fresh water. Climate change may alter the productivity, reproductive efficiency of animals. Contrarily, livestock production is a significant contributor to environmental problems, leading to increased greenhouse gas emissions, land degradation, water pollution, and increased health problems. To solve the challenges of livestock and livestock products,, biotechnology and nanotechnology are being harnessed in various aspects of the livestock industry to hasten breed development for improved animal health and welfare, enhanced reproduction, and improved nutritional quality and safety of animal-derived foods.
Keywords:Feed, Grazing intensity, Livestock
How to cite this article:
Melkamu Bezabih Yitbarek.,LIVESTOCK AND LIVESTOCK PRODUCT TRENDS BY 2050: REVIEW . International Journal of Animal Research, 2019; 4:30.
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