Neonatal mortality of lambs in production systems in a semi-arid environment: main risk factors Article Swipe
José Danrley Cavalcante dos Santos
,
Edílson Paes Saraiva
,
E. C. Pimenta Filho
,
Geni Caetano Xavier Neta
,
L. K. C. Morais
,
H. S. Teti
,
S. S. Fidelis
·
YOU?
·
· 2023
· Open Access
·
· DOI: https://doi.org/10.1017/s0021859623000291
YOU?
·
· 2023
· Open Access
·
· DOI: https://doi.org/10.1017/s0021859623000291
The sheep farming has economic and sociocultural importance in semi-arid regions worldwide. Of the total of 1.2 billion sheep in the world, 0.4 are found in semi-arid regions. In this review, we have discussed the main risk factors for neonatal lamb mortality and its association with the prevailing environmental conditions of tropical semi-arid regions. Over the last decades, the average mortality rate of newborn lambs remained relatively constant (~15%) around the world. This rate is reported to be higher (Up to 30%) in small-scale sheep farming systems from developing countries. Overall, the main risk factors of neonatal mortality include low birth weight, dystocia, adverse weather conditions, inadequate milk, or colostrum supply, competition between siblings in multiple births, and poor expression of maternal behaviour. In tropical semi-arid regions, recent findings revealed that newborn lambs from hair coat sheep breeds are less vigorous to perform the first suckling when even exposed to moderate cold conditions (18–20°C). On the other hand, the high radiant heat load in these areas can also challenge the thermoregulation of ewes and newborn lambs, especially if they are kept in areas without protection against direct short-wave solar radiation. Under such circumstances, newborn lambs were reported to be hyperthermic. The heat stress as risk factor for neonatal lamb mortality is a topic that deserves more investigation, particularly in tropical semi-arid areas, where is expected to be drier and hotter as consequence of rapid advances in climate change.
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- Type
- article
- Language
- en
- Landing Page
- https://doi.org/10.1017/s0021859623000291
- https://www.cambridge.org/core/services/aop-cambridge-core/content/view/39A1E7C399ABEAB7C388A9A04D990D81/S0021859623000291a.pdf/div-class-title-neonatal-mortality-of-lambs-in-production-systems-in-a-semi-arid-environment-main-risk-factors-div.pdf
- OA Status
- bronze
- Cited By
- 4
- References
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- Related Works
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- OpenAlex ID
- https://openalex.org/W4377988284
All OpenAlex metadata
Raw OpenAlex JSON
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https://openalex.org/W4377988284Canonical identifier for this work in OpenAlex
- DOI
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https://doi.org/10.1017/s0021859623000291Digital Object Identifier
- Title
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Neonatal mortality of lambs in production systems in a semi-arid environment: main risk factorsWork title
- Type
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articleOpenAlex work type
- Language
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enPrimary language
- Publication year
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2023Year of publication
- Publication date
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2023-05-24Full publication date if available
- Authors
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José Danrley Cavalcante dos Santos, Edílson Paes Saraiva, E. C. Pimenta Filho, Geni Caetano Xavier Neta, L. K. C. Morais, H. S. Teti, S. S. FidelisList of authors in order
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https://doi.org/10.1017/s0021859623000291Publisher landing page
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https://www.cambridge.org/core/services/aop-cambridge-core/content/view/39A1E7C399ABEAB7C388A9A04D990D81/S0021859623000291a.pdf/div-class-title-neonatal-mortality-of-lambs-in-production-systems-in-a-semi-arid-environment-main-risk-factors-div.pdfDirect link to full text PDF
- Open access
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YesWhether a free full text is available
- OA status
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bronzeOpen access status per OpenAlex
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https://www.cambridge.org/core/services/aop-cambridge-core/content/view/39A1E7C399ABEAB7C388A9A04D990D81/S0021859623000291a.pdf/div-class-title-neonatal-mortality-of-lambs-in-production-systems-in-a-semi-arid-environment-main-risk-factors-div.pdfDirect OA link when available
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Arid, Colostrum, Tropical climate, Mortality rate, Animal husbandry, Heat stress, Tropics, Geography, Agriculture, Biology, Animal science, Ecology, Demography, Antibody, Immunology, SociologyTop concepts (fields/topics) attached by OpenAlex
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4Total citation count in OpenAlex
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2025: 1, 2024: 3Per-year citation counts (last 5 years)
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104Number of works referenced by this work
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10Other works algorithmically related by OpenAlex
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