The role of goats in the world: Society, science, and sustainability
by Christopher D. Lu, October 2023
Highlights
• Goats are intertwined with evolution of human civilization and dispersal.
• Continuous scientific and technological development is crucial to sustain a viable goat sector as a force to alleviate food insecurity, malnutrition, and poverty.
• Role of goats are consequential to food and nutrition, economic, and environmental sustainability.
Excerpts: "Goats have been a part of evolution of human civilization tracing back to the Neolithic period. Goat milk and meat were exploited from the beginning of the middle Pre-Pottery Neolithic B in the Near East (Helmer et al., 2007). Goat is one the first domesticated ungulates. Initial goat domestication has been documented in the highlands of Western Iran at 10,000 calibrated calendar years (YBP) ago (Zeder and Hesse, 2000, Hermes et al., 2020). Domestic goats (Capra hircus) is believed to be domesticated from wild bezoar populations (Capra aegagrus) (Zeder, 2008). Evidence in genetic markers suggested that multiple divergent ancient wild goat sources were domesticated in a dispersed process that resulted in genetically and geographically distinct Neolithic goat populations (Daly et al., 2018). A large-scale mitochondrial DNA (mtDNA) analysis of wild and domestic goats suggested that area in Eastern Anatolia, Northern and Central Zagros to have been the domestication centers where almost all domestic goats were originally from (Naderi et al., 2008).
"Presence of high mtDNA diversity in Inner Asian Mountain Corridor and Central Kazakhstan suggested that herding communities living in montane ecosystems were drawing from genetically diverse goat populations in the Iranian Plateau (Hermes et al., 2020). Analyses of the nearly complete mitochondrial protein-encoding genes of the goat revealed that the timing of population expansion of goats occurred in the Late Pleistocene and predated the now believed the beginning of goat domestication, approximately 10,000 YBP (Nomura et al., 2013). Demographic analyses using Multiple Sequentially Markovian Coalescent suggested that the divergence times between modern Asian and European goat populations might have predated the archaeologically estimated domestication time (Zheng et al., 2020). These observations raised the possibility that goats might have been domesticated even earlier than 10,000 YBP.
"Domestication of goats has been closely related to human dispersal (Colli et al., 2018). Domesticated goats (Capra hircus) are at the subsistence core of pastoralist and farming communities around the world (Redding, 1984). From the Greek mythology of the half-human-half goat deity, Goat-knight Steed in the popular web series Critical Role, to Gogoat (Number 673 in Pokemon), goats have been part of history of human imagination. The roles of goats in the world are numerous, form entertainer, yoga enhancer, to food and fiber producer that has been an important part of life sustaining history of human civilization. The role of goats in nutrition, health, and food security is underscored by the continuous increase in global production and consumption of goat milk and meat."
Read more:
https://www.sciencedirect.com/science/article/pii/S0921448823001529
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