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Awasthi TR, Morshed A, Williams T, Swain DL. Simulation Approaches Used for Management and Decision Making in the Beef Production Sector: A Systematic Review. Animals (Basel) 2024; 14:1632. [PMID: 38891679 PMCID: PMC11171018 DOI: 10.3390/ani14111632] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2024] [Revised: 05/13/2024] [Accepted: 05/28/2024] [Indexed: 06/21/2024] Open
Abstract
Simulation models are used in various areas of agriculture to better understand the system and assist in decision making. In the beef production sector, a variety of simulation research focusing on various dimensions of the system is available. However, an overview of the available research is lacking. Therefore, a systematic review was conducted to provide an overview of simulation studies of beef production and create an understanding of the simulation approaches used. Scopus, Web of Science, and ProQuest Central research databases were used to search the relevant articles, with the last search conducted in June 2023. Studies that developed or used simulation strategies and used beef cattle as a primary focus of the study were included. The 105 studies included in this review were examined thoroughly to record the authors, year of publication, country of study, type of study, focus area of the study, simulated scenarios, validation methods, and software programs used. There has been growing research interest in simulating beef production systems worldwide, with most studies conducted in North America and Europe. Among these studies, the majority (84.76%, n = 89) are biophysical or bioeconomic study types and use deterministic approaches (n = 42). Additionally, most studies have a whole-farm scope (38.09%, n = 40) and focus on productivity (51.43%, n = 54). Since only less than half of the studies mentioned the validation techniques and software programs used, there is a need to improve the availability of this information to ensure that the models are adopted effectively in decision making.
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Affiliation(s)
- Tek Raj Awasthi
- School of Health Medical and Applied Sciences, CQUniversity, Rockhampton North, QLD 4701, Australia; (T.W.); (D.L.S.)
| | - Ahsan Morshed
- School of Engineering and Technology, CQUniversity, Melbourne, VIC 3000, Australia;
| | - Thomas Williams
- School of Health Medical and Applied Sciences, CQUniversity, Rockhampton North, QLD 4701, Australia; (T.W.); (D.L.S.)
| | - Dave L. Swain
- School of Health Medical and Applied Sciences, CQUniversity, Rockhampton North, QLD 4701, Australia; (T.W.); (D.L.S.)
- TerraCipher, Alton Downs, QLD 4702, Australia
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Mehraban M, Marghmaleki SN, Sarang A, Azar NA. Developing climate change adaptation pathways in the agricultural sector based on robust decision-making approach (case study: Sefidroud Irrigation Network, Iran). ENVIRONMENTAL MONITORING AND ASSESSMENT 2024; 196:378. [PMID: 38499847 DOI: 10.1007/s10661-024-12511-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/10/2023] [Accepted: 02/26/2024] [Indexed: 03/20/2024]
Abstract
Allocation of water in the situation of climate change presents various uncertainties. Consequently, decisions must be made to ensure stability and functionality across different climatic scenarios. This study aims to examine the effectiveness of adaptation strategies in the agricultural sector, including a 5% increase in irrigation efficiency (S1) and a shift in irrigation method to Dry-DSR (direct seeded rice) under conditions of climatic uncertainty using a decision-making approach. The study focuses on the basin downstream of the Sefidroud dam, encompassing the Sefidroud irrigation and drainage network. Initially, basin modeling was conducted using the WEAP integrated management software for the period 2006-2020. Subsequently, the impact of climate change was assessed, considering RCP2.6, RCP4.5, and RCP8.5 emission scenarios on surface water resources from 2021 to 2050. Runoff and cultivated area, both subject to uncertainty, were identified as key parameters. To evaluate strategy performance under different uncertainties and determine the efficacy of each strategy, regret and satisfaction approaches were employed. Results indicate a projected decrease in future rainfall by 3.5-11.8% compared to the base period, accompanied by an increase in maximum and minimum temperatures (0.83-1.62 °C and 1.15-1.33 °C, respectively). Inflow to the Sefidroud dam is expected to decrease by 13-28%. Presently, the Sefidroud irrigation and drainage network faces an annual deficit of 505.4 MCM, and if current trends persist with the impact of climate change, this shortfall may increase to 932.7 MCM annually. Furthermore, satisfaction indices for strategy (S2) are 0.77 in an optimistic scenario and 0.70 in strategy (S1). In a pessimistic scenario, these indices are 0.67 and 0.56, respectively. Notably, changing the irrigation method with Dry-DSR is recommended as a robust strategy, demonstrating the ability to maintain basin stability under a broad range of uncertainties and climate change scenarios. It is crucial to note that the results solely highlight the effects of climate change on water sources entering the Sefidroud dam. Considering anthropogenic activities upstream of the Sefidroud basin, water resource shortages are expected to increase. Therefore, reallocating water resources and implementing practical and appropriate measures in this area are imperative.
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Affiliation(s)
- Mohsen Mehraban
- School of Environment, College of Engineering, University of Tehran, Tehran, Iran
| | | | - Amin Sarang
- School of Environment, College of Engineering, University of Tehran, Tehran, Iran.
| | - Naser Arya Azar
- Department of Water Engineering, Faculty of Agriculture, University of Tabriz, Tabriz, Iran
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Niu K, Zhong J, Hu X. Impacts of climate change-induced heat stress on pig productivity in China. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 908:168215. [PMID: 37935263 DOI: 10.1016/j.scitotenv.2023.168215] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/08/2023] [Revised: 08/17/2023] [Accepted: 10/28/2023] [Indexed: 11/09/2023]
Abstract
The economic impacts of climate-induced heat stress on pig farming have not been sufficiently investigated, despite the significant threat it poses to the industry. In this study, we coupled consecutive years of county-scale meteorological data with operational-level economic data to estimate the impact of climate-induced heat stress on the productivity of the Chinese pig industry using a stochastic frontier production function model. Based on model results, we projected the impact of heat stress on pig production in 2030 and 2050 with and without technological advances. Results showed that heat stress has a significant negative impact on pig production, with southern regions being more affected. However, considering technological advances, losses will decrease by 21 % and 52 %, respectively, compared with the scenario without technological advances. Simultaneously, we calculated the costs of climate change mitigation and adaptation and found that increasing production inputs to reduce production losses from heat stress costs one-fifth of forgoing production losses. Therefore, we recommend a positive climate change response strategy.
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Affiliation(s)
- Kunyu Niu
- Institute of Agricultural Economics and Development, Chinese Academy of Agricultural Science, Beijing 100081, People's Republic of China.
| | - Jianing Zhong
- Renmin University of China, School of Environment & Natural Resources, Beijing 100872, People's Republic of China
| | - Xiangdong Hu
- Institute of Agricultural Economics and Development, Chinese Academy of Agricultural Science, Beijing 100081, People's Republic of China.
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Wadström C, Södergren K, Palm J. Exploring total economic values in an emerging urban circular wastewater system. WATER RESEARCH 2023; 233:119806. [PMID: 36878178 DOI: 10.1016/j.watres.2023.119806] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/12/2022] [Revised: 02/21/2023] [Accepted: 02/24/2023] [Indexed: 06/18/2023]
Abstract
Circular water management has the potential to close resource and material loops within and across value chains. In the water industry, circular municipal wastewater management through industrial urban symbiosis (IUS) is recognized as a solution to overcome water scarcity in urban environments. IUS involves collaboration between actors with different organizational backgrounds, which can lead to inherent risks of conflicting goals. This study explores how different values drive various organizations to participate in an emerging circular wastewater collaboration. The study comprises a literature review of 34 scientific articles and a case study of a potential circular wastewater system through IUS in Simrishamn, Sweden. It presents an interdisciplinary framework based on the total economic value concept and organizational archetypes for examining actor values in circular wastewater management. This framework provides a novel approach for assessing different values and how they may compete or align. It can also identify the absence of certain values, enabling the achievement of a minimum level of value coherence amongst different actors, and thereby increasing the sustainability and effectiveness of circular wastewater collaborations. Therefore, careful planning and stakeholder interaction, in accordance with economic value perspectives, can enhance the legitimacy and policy development of circular solutions.
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Affiliation(s)
- Christoffer Wadström
- Department of Management and Engineering (IEI), Division of Energy Systems, Linköping University Linköping, Linköping 581 83, Sweden.
| | - Karolina Södergren
- International Institute for Industrial Environmental Economics, Lund University, Lund, Sweden
| | - Jenny Palm
- International Institute for Industrial Environmental Economics, Lund University, Lund, Sweden
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Perceptions and Attitudes of Argentine Zoomers towards Sustainable Food Production. Foods 2023; 12:foods12051019. [PMID: 36900536 PMCID: PMC10000960 DOI: 10.3390/foods12051019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Revised: 02/22/2023] [Accepted: 02/23/2023] [Indexed: 03/04/2023] Open
Abstract
Young people are concerned about climate change. Their activism has attracted the attention of the media and politicians. Some of them are entering the market as consumers for the first time and can express their preferences without parental guidance: they are the Zoomers. Do these new consumers have enough knowledge about sustainability to be able to make choices in line with their concerns? Are they able to push the market towards change? A sample of 537 young Zoomer consumers were interviewed face-to-face in the Metropolitan Area of Buenos Aires. They were asked to indicate their level of concern for the planet and the first word they associated with sustainability, to rank in order of importance sustainability-related concepts and to indicate their willingness to buy sustainable products. The results of this study underline a high concern for the health of the planet (87.9%) and for unsustainable production methods (88.8%). However, the respondents perceived sustainability as consisting of a single main pillar, the environmental dimension (with 47% of the terms referring to sustainability), and two accessory pillars, the social (10.7%) and economic (5.2%) dimensions of sustainability. Respondents also showed a high interest in products obtained through sustainable agriculture, with a high percentage of them willing to pay for these products (74.1%). However, a substantial correlation was found between the ability to comprehend the notion of sustainability and the determination to purchase sustainable items, and vice versa, between those who reported difficulty comprehending the concept and their determination not to purchase these products. Zoomers believe that the market must support sustainable agriculture through consumer choices without paying a premium price. Clarifying the concept of sustainability, enhancing knowledge and assisting consumers in identifying sustainable products, as well as marketing them at reasonable prices, are essential actions for fostering a more ethical agricultural system.
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Abarnou J, Durand M, Dourmad JY, Gaillard C. Effects of thermal conditions on gestating sows' behaviors and energy requirements. J Anim Sci 2022; 101:6956982. [PMID: 36548114 PMCID: PMC9890445 DOI: 10.1093/jas/skac413] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2022] [Accepted: 12/19/2022] [Indexed: 12/24/2022] Open
Abstract
Room temperature and individual behavior may influence the energy requirements of gestating sows. These factors are not yet integrated on a daily and individual basis in the calculation of these requirements. The objective of this study was to quantify the effect of temperatures on the sows' behaviors, especially on the level of physical activity, and on the energy requirements of gestating sows. Over four consecutive weeks, the temperature of two gestation rooms was maintained at medium temperatures (16.7 °C and 18.5 °C, respectively, for room 1 and room 2) for the first and third week, at low temperatures (14.4 °C and 15.3 °C) for the second week, and at high temperatures (31.6 °C and 31.9 °C) for the fourth week. Individual behavior was manually recorded based on videos and the data used to estimate the physical activity and social interactions of 37 gestating sows separated into two groups. The videos were analyzed over two periods of 5 h ("Feeding period" from 2300 to 0400 hours, "Resting period" from 1330 to 1830 hours). The energy requirements were calculated by the InraPorc model, modified for gestating sows, on the basis of a thermo-neutral situation and an average activity of 4 h standing per day for all the sows. The sows of one group were less active in high than low temperatures (83 vs. 103 min standing or walking over 5 h, P < 0.001). Isolation for high temperatures or huddling for low temperatures could be observed when sows were lying down. The sows spent more time lying laterally with high temperatures than low temperatures (66% vs. 52% of time spent lying, respectively, P < 0.001). Both groups reacted differently to high temperatures, in one the sows changed their activity (lying more) whereas in the other they drank more water compared to medium temperatures (11 vs. 8.5 L/d, P = 0.01). In one group, with high temperatures the sows were fed above their requirements (they should have received 110 g of feed per day per sow less, P < 0.001) and with low temperatures the same group should have received 50 g/d per sow more to fulfill their requirements. For the second group of sows, the temperatures did not significantly affect the feed requirements. In conclusion, daily ambient temperature and individual physical activity seem to be relevant information to add in nutritional models to improve precision feeding.
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Affiliation(s)
| | - Maëva Durand
- Institut Agro, PEGASE, INRAE, Saint Gilles, France
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van Tilburg AJ, Hudson PF. Extreme weather events and farmer adaptation in Zeeland, the Netherlands: A European climate change case study from the Rhine delta. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 844:157212. [PMID: 35809733 DOI: 10.1016/j.scitotenv.2022.157212] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/04/2022] [Revised: 07/02/2022] [Accepted: 07/03/2022] [Indexed: 06/15/2023]
Abstract
Global climate change is manifest by local-scale changes in precipitation and temperature patterns, including the frequency of extreme weather events (EWEs). EWEs are associated with a myriad range of adverse environmental and societal consequences, including negative impacts to agriculture and food production. This study focuses on EWEs and their effect on adaptation strategies by potato and onion farmers in Zeeland, a Dutch coastal province in the Rhine delta that can serve as a model for other intensive agricultural landscapes in industrialized nations impacted by extreme weather events. The research approach combines quantitative trend analysis of long-term climatic data (temperature, precipitation) with a formal survey of Zeelandic farmers to statistically test four specific hypotheses regarding the frequency of EWEs in the Netherlands and farmer awareness and adaptation. Trend analyses reveal a strong (statistically significant) increase in extreme heat, a small increase in extreme rainfall and drought, and a strong decrease in frost occurrence. Survey results indicate Zeelandic farmers perceive high risk and awareness of changes to the frequency of EWEs. Many farmers have experienced financial losses from EWEs, particularly between 2017 and 2020. For extreme heat, droughts, and frost, the proportion of farmers that incurred financial damages annually is statistically correlated to the actual occurrence of EWEs. Farmers who incurred more financial losses between 2000 and 2020 due to heat and lack of frost had a higher risk perception of these extremes. Further, almost all farmers have already implemented one or more adaptation strategies. A third of surveyed farmers reduced or stopped with potato and onion cultivation in response to climate change and EWEs. Awareness, exposure to, and risk perception of EWEs contribute to adaptation support by farmers. The high perceived risk of climate change and EWEs among respondents and the high incidence of financial losses from extremes in the past two decades highlights the importance of adaptation in the agricultural sector, including in temperate regions where growing seasons are expanding. Study results support the current 'Rural Development Program' and future 'National Strategic Plan' policies in the Netherlands, both part of the European Union's Common Agricultural Policy (CAP), that provides accessibility to adaptation measures for farmers to avoid financial loss.
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Affiliation(s)
- Anoek J van Tilburg
- Institute of Environmental Studies, Vrije Universiteit Amsterdam, the Netherlands
| | - Paul F Hudson
- Program in Earth, Energy, and Sustainability, LUC The Hague, Leiden University, the Netherlands.
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Radolf M, Wurzinger M, Gutiérrez G. Livelihood and production strategies of livestock keepers and their perceptions on climate change in the Central Peruvian Andes. Small Rumin Res 2022. [DOI: 10.1016/j.smallrumres.2022.106763] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Krusinski L, Maciel ICDF, Sergin S, Goeden T, Ali H, Kesamneni S, Jambunathan V, Cassida KA, Singh S, Medina-Meza IG, Rowntree JE, Fenton JI. Evaluation of fatty acid and antioxidant variation in a complex pasture system as compared to standard cattle feed in the Great Lakes region. FRONTIERS IN SUSTAINABLE FOOD SYSTEMS 2022. [DOI: 10.3389/fsufs.2022.945080] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
As the demand for grass-fed ruminant products keeps increasing, more data are needed to assess the nutritional value of feedstuffs, especially pastures. In addition, global climate change adds another challenge to the management of grasslands with projections of changing temperature and precipitation patterns. Consequently, the variations in bioactive compounds such as fatty acids and antioxidants in feeds will be harder to predict. Therefore, it is critical to report region and time-specific results of the nutritional value of feeds intended for ruminant nutrition. The objectives of this study were to compare the antioxidant and fatty acid content of commonly used feedstuffs including a complex pasture mixture from the Great Lakes Region and a traditional grain-based diet, and to assess the variations of these bioactive compounds in the pasture over the course of two grazing seasons. Weather parameters including temperature and rainfall were recorded for the length of the study. Feed samples were collected between June and September 2019 and 2020 and analyzed for nutrient composition, chlorophyll A and B, carotenoids, and total phenols. Fatty acids were analyzed by GC-MS. Correlations were reported to analyze the relationship between individual plant species, antioxidants, and fatty acids. We observed higher antioxidant parameters in the pasture compared to the grain diet. Total polyunsaturated fatty acids were higher in the pasture including α-linolenic acid while the grain diet was higher in n-6 polyunsaturated fatty acids including linoleic acid. The n-6:n-3 ratio was more beneficial in the pasture and was 50–90 times higher in the grain diet. Variations in the fatty acid profile of the pasture were observed and varied between 2019 and 2020. Plant growth cycles, climatic conditions, and grazing methods were hypothesized to cause these changes. Altogether, this study increased our knowledge about the nutritional value of feedstuffs and will help ranchers and researchers to better understand the variations of bioactive content based on region, season, and climatic conditions.
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Effects of Housing and Management Systems on the Growth, Immunity, Antioxidation, and Related Physiological and Biochemical Indicators of Donkeys in Cold Weather. Animals (Basel) 2022; 12:ani12182405. [PMID: 36139265 PMCID: PMC9494980 DOI: 10.3390/ani12182405] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2022] [Revised: 08/27/2022] [Accepted: 09/08/2022] [Indexed: 11/17/2022] Open
Abstract
The study was designed with a 2 × 2 factorial experiment to evaluate the effects of growth performance, immune function, antioxidant status, blood biochemical indexes, and hormone levels of donkeys in different housing and management systems in cold weather. Twenty-four male donkeys with similar body weight and age were randomly allocated into four treatment groups that were as follows: a cold-water-drinking group without a windproof facility, a lukewarm-water-drinking group without windproof facilities, a cold-water-drinking group with a windproof facility, and a lukewarm-water-drinking group with a windproof facility. The experiment lasted for 42 days. The results showed that windproof facilities increased average daily gain (ADG) and decreased average daily feed intake (ADFI) and feed-to-gain ratio (F:G) at all time periods (p < 0.01) of the experiment. Windproof facilities increased the digestibility of dry matter (DM), crude fat (CF), crude protein (CP), ash, calcium (Ca), and phosphate (P) on day 21 (p < 0.01), and increased the digestibility of DM, CF, ash, and P on day 42 (p < 0.01). The respiration rate and the skin temperature of the abdomen and legs increased (p < 0.05) and rectal temperature tended to increase (p = 0.083) by adopting windproof facilities at 07:00; the windproof facilities tended to increase the skin temperature of the ears and abdomen (p = 0.081, p = 0.091) at 14:00. For the blood parameters, with windproof facilities, the concentrations of total protein (TP), blood urea nitrogen (BUN), triglyceride (TG) and high-density lipoprotein cholesterol (HDL-C) increased (p < 0.05) and glucose (GLU) concentration decreased (p < 0.05) at 07:00 on day 21; the concentrations of TG and cholesterol (CHO) increased and the concentrations of TP, BUN, and GLU decreased at 07:00 on day 42 (p < 0.05). The concentrations of adrenocorticotropic hormone (ACTH), cortisol (COR), triiodothyronine (T3), and thyroxine (T4) decreased (p < 0.05) at 07:00 on day 21, and T4 concentration decreased (p < 0.05) at 07:00 on day 42. The concentrations of interleukin-4 (IL-4), immunoglobulin A (IgA), immunoglobulin G (IgG), and immunoglobulin M (IgM) increased (p < 0.01) and the concentrations of interleukin-1β (IL-1β) and tumor necrosis factor-alpha (TNF-α) decreased (p < 0.01) on days 21 and 42. The activities of total superoxide dismutase (T-SOD) and glutathione peroxidase (GPx) increased (p < 0.05), and malondialdehyde (MDA) concentration decreased (p < 0.01) on day 21; the activities of T-SOD and catalase (CAT) increased (p < 0.05), and MDA concentration decreased (p < 0.01) on day 42. However, under the conditions of this experiment, water temperature did not affect the above indexes on days 21 and 42. These results indicated that adopting windproof facilities in a cold climate can mitigate the effects of atrocious weather on the production performance of donkeys.
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Alexandropoulou I, Goulis DG, Merou T, Vassilakou T, Bogdanos DP, Grammatikopoulou MG. Basics of Sustainable Diets and Tools for Assessing Dietary Sustainability: A Primer for Researchers and Policy Actors. Healthcare (Basel) 2022; 10:healthcare10091668. [PMID: 36141280 PMCID: PMC9498311 DOI: 10.3390/healthcare10091668] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2022] [Revised: 08/26/2022] [Accepted: 08/30/2022] [Indexed: 11/16/2022] Open
Abstract
Climate change can have economic consequences, affecting the nutritional intake of populations and increasing food insecurity, as it negatively affects diet quality parameters. One way to mitigate these consequences is to change the way we produce and consume our food. A healthy and sustainable diet aims to promote and achieve the physical, mental, and social well-being of the populations at all life stages, while protecting and safeguarding the resources of the planet and preserving biodiversity. Over the past few years, several indexes have been developed to evaluate dietary sustainability, most of them based on the EAT-Lancet reference diet. The present review explains the problems that arise in human nutrition as a result of climate change and presents currently available diet sustainability indexes and their applications and limitations, in an effort to aid researchers and policy actors in identifying aspects that need improvement in the development of relevant indexes. Overall, great heterogeneity exists among the indicators included in the available indexes and their methodology. Furthermore, many indexes do not adequately account for the diets’ environmental impact, whereas others fall short in the economic impact domain, or the ethical aspects of sustainability. The present review reveals that the design of one environmentally friendly diet that is appropriate for all cultures, populations, patients, and geographic locations is a difficult task. For this, the development of sustainable and healthy diet recommendations that are region-specific and culturally specific, and simultaneously encompass all aspects of sustainability, is required.
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Affiliation(s)
- Ioanna Alexandropoulou
- Department of Nutritional Sciences & Dietetics, Faculty of Health Sciences, International Hellenic University, Alexander Campus, GR-57400 Thessaloniki, Greece
- Correspondence: (I.A.); (M.G.G.)
| | - Dimitrios G. Goulis
- Unit of Reproductive Endocrinology, 1st Department of Obstetrics and Gynecology, Medical School, Aristotle University of Thessaloniki, 76 Agiou Pavlou Street, GR-56429 Thessaloniki, Greece
| | - Theodora Merou
- Department of Forest and Natural Environment Sciences, International Hellenic University, GR-66100 Drama, Greece
| | - Tonia Vassilakou
- Department of Public Health Policy, School of Public Health, University of West Attica, 196 Alexandras Avenue, GR-11521 Athens, Greece
| | - Dimitrios P. Bogdanos
- Department of Rheumatology and Clinical Immunology, Faculty of Medicine, School of Health Sciences, University of Thessaly, Biopolis, GR-41110 Larissa, Greece
| | - Maria G. Grammatikopoulou
- Department of Rheumatology and Clinical Immunology, Faculty of Medicine, School of Health Sciences, University of Thessaly, Biopolis, GR-41110 Larissa, Greece
- Correspondence: (I.A.); (M.G.G.)
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Varela RP, Apdohan AG, Balanay RM. Climate resilient agriculture and enhancing food production: Field experience from Agusan del Norte, Caraga Region, Philippines. FRONTIERS IN SUSTAINABLE FOOD SYSTEMS 2022. [DOI: 10.3389/fsufs.2022.974789] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
This paper describes the assessment of climate risks, the vulnerability of farmlands, and the adaptive farming practices to climate change with the use of GIS, field observations, stakeholder consultation and interviews and case documentation. GIS-based climate risk vulnerability assessment maps were generated to pinpoint the areas with the major climate hazards in Agusan del Norte. The vulnerability of the farmlands, and the adaptive capacity of the farms were assessed with index scoring. Also, adaptation to climate change based on the most problematic hazard (flooding) was observed on the two groups of farmers (with and without climate resilient agriculture (CRA)/cropping system adjustments) for cost and benefit comparison. The results show flooding and drought as the significant hazards in Agusan del Norte (Caraga Region) and high vulnerability to these hazards due to low coping mechanisms for most farms. Low adaptive capacity was also observed among these farms. Case-based observations on adaptation in Jabonga, Agusan del Norte revealed that well-timed adjustments to the usual cropping system can increase farm income despite of the flood and inundation for 2–3 months. This study recommends for harmonized measures toward advocating strengthened adaptive capacity for agriculture across Agusan del Norte. Further climate R&D and increasing policy support on climate financing and CRA options are highly encouraged for the agricultural stakeholders to take action. For hard-pressed farmers with constrained access to improved varieties and technologies, timing is potentially essential to circumvent damages from climate change to gain economic and psychosocial benefits with well-timed adaptation measures.
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‘Can They Take the Heat?’—The Egyptian Climate and Its Effects on Livestock. Animals (Basel) 2022; 12:ani12151937. [PMID: 35953926 PMCID: PMC9367484 DOI: 10.3390/ani12151937] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2022] [Revised: 07/23/2022] [Accepted: 07/26/2022] [Indexed: 11/17/2022] Open
Abstract
Egypt already has conditions in summer that cause heat stress for livestock, and predicted climate changes suggest that these will be exacerbated over the course of this century. As well, extreme climatic events make the mitigation of climate change difficult but important to understand. Apart from neonates, farm animals have upper critical temperatures in the region of 25–30 °C, whereas temperatures in summer regularly exceed 40 °C for prolonged periods. The temperature and humidity data were collected half hourly to calculate Temperature Humidity Indices and demonstrate that Egyptian livestock at two centers of livestock production in the country would experience heat stress in summer for extended periods of each day. The impact of rising temperatures on livestock in Egypt was reviewed, where extensive resources to mitigate the impact are not often available. It was found that, although there are some prospects to mitigate some heat stress, by using agroforestry systems of production for example, these are unlikely to have a major impact, and reduced food security may ensue over the course of this century.
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Khayyam U, Munir R. Flood in mountainous communities of Pakistan: how does it shape the livelihood and economic status and government support? ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:40921-40940. [PMID: 35088281 DOI: 10.1007/s11356-022-18709-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/25/2021] [Accepted: 01/12/2022] [Indexed: 05/21/2023]
Abstract
The agriculture sector remains under attack by the consistent flooding events in Pakistan as flooding water is sweeping away crops and livelihood opportunities, thus dragging the already vulnerable communities into poverty. This research has studied the adverse impacts of consistent floods (2010 to 2018) on the rural mountainous agriculture, agrarian occupation, economic system, and rise in poverty in ten districts of Hazara and Malakand divisions, Khyber-Pakhtunkhwa province, Pakistan. In total, 1000 self-administered questionnaires were deployed at the household level through judgment sampling studying the flood-affected households. Primary data for the impacts of floods on the livelihood, economic status, and poverty and correlation among them was estimated through three parallel logistic regression equations based on indexes for three separate models for the study variable to describe the flood-induced vulnerability at HH level. The results of the interrelationship of the selected variables declared Malakand division more prone to loss of livelihood, degradation of low-economic status, and increased in poverty due to flooding than Hazara division. It is concluded that floods have curtailed the agricultural livelihood on damaging crop production that has degraded locals' economic system by reducing household's income and savings, ending up in borrowing of money and leading to debt due to non-repayment. Households' vulnerability has increased due to increased poverty as being more exposed to natural disasters. It calls for government intervention to safeguard poor mountainous communities of Pakistan through financial help, seeds, livestock, and technical help in times of disaster.
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Affiliation(s)
- Umer Khayyam
- Department of Development Studies, School of Social Sciences and Humanities (S3H), National University of Sciences and Technology (NUST), Sector H-12, Islamabad, Pakistan.
| | - Ramsha Munir
- Department of Development Studies, School of Social Sciences and Humanities (S3H), National University of Sciences and Technology (NUST), Sector H-12, Islamabad, Pakistan
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15
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Warsame AA, Sheik-Ali IA, Hassan AA, Sarkodie SA. Extreme climatic effects hamper livestock production in Somalia. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:40755-40767. [PMID: 35083683 DOI: 10.1007/s11356-021-18114-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/22/2020] [Accepted: 12/10/2021] [Indexed: 06/14/2023]
Abstract
Given the enormous impact of the livestock sector on Somalia's economy and its vulnerability to climate variations, this study investigates short and long-term changes in climatic effects on livestock production by using data spanning from 1985 to 2016. To this end, the ARDL bounds testing and causality techniques were employed to model the long-run and short-run relationships, and direction of causality among sampled variables. Overall, the empirical results confirmed the existence of a stable long-run cointegration between variables. Rainfall and temperature patterns were found to have a significant positive and negative impact on livestock production both in the long run and short run, respectively. The observed carbon dioxide emissions have no significant impact on livestock production in the long run but enhance livestock production in the short run. Interestingly, growth in rural population declines livestock production in the long run but not in the short run. Besides, a unidirectional causality is confirmed from temperature to rainfall and CO2 whereas livestock production has a bidirectional causal relationship with rainfall and temperature. While CO2 emissions granger cause livestock production, a unidirectional causation is observed from rural population to temperature and livestock production. This study suggests adaptation and mitigation policies that combat the negative consequences of climate change.
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Affiliation(s)
- Abdimalik Ali Warsame
- Faculty of Economics, SIMAD University, Mogadishu, Somalia.
- Garaad Institute for Social Research and Development Studies, Mogadishu, Somalia.
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16
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Abstract
Globally, the climate is changing, and this has implications for livestock. Climate affects livestock growth rates, milk and egg production, reproductive performance, morbidity, and mortality, along with feed supply. Simultaneously, livestock is a climate change driver, generating 14.5% of total anthropogenic Greenhouse Gas (GHG) emissions. Herein, we review the literature addressing climate change and livestock, covering impacts, emissions, adaptation possibilities, and mitigation strategies. While the existing literature principally focuses on ruminants, we extended the scope to include non-ruminants. We found that livestock are affected by climate change and do enhance climate change through emissions but that there are adaptation and mitigation actions that can limit the effects of climate change. We also suggest some research directions and especially find the need for work in developing country settings. In the context of climate change, adaptation measures are pivotal to sustaining the growing demand for livestock products, but often their relevance depends on local conditions. Furthermore, mitigation is key to limiting the future extent of climate change and there are a number of possible strategies.
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Serrano JO, Villares-Garachana A, Correa-Herrera N, González-Morales A, Pérez-Bonachea L, Hernández L, Lorente G, Hajari E, Fonseca-Fuentes N, Martínez-Melo J, Lorenzo JC. Impacts of short-term water restriction on Pelibuey sheep: physiological and blood parameters. Trop Anim Health Prod 2022; 54:39. [PMID: 35006405 DOI: 10.1007/s11250-022-03050-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2021] [Accepted: 01/04/2022] [Indexed: 11/29/2022]
Abstract
One of the projected effects of climate change is a reduction in rainfall in certain regions of the world. Hence, the agricultural and livestock sectors will have to cope with increasing incidences of water shortage while still maintaining productivity levels to feed an ever increasing global population. This short communication reports on the effect of a 2-week water stress on Pelibuey sheep in Cuba. Three treatments were compared, viz. supply of water ad libitum, water supplied once every 3 or 6 days. Following exposure to the water stress, the results showed no changes in sheep body weight or rectal temperature. However, respiration frequency was affected with water stress causing a reduction from 23.3 to 13.3 respirations per min in control and water-deprived animals, respectively. Furthermore, there was evidence for hemoconcentration in response to water stress (levels of hemoglobin increased from 9.2 to 13.1 g L-1 and hematocrits from 27.6 to 39.3% in the control group and animals restricted to water once every 6 days. The imposed water stress was also evident in the reduction of lymphocytes (from ±63 to 43%), and in increase of neutrophils (from approximately 38 to 54%) and leukocytes (from 3133 to 4933 per mm3). The results indicated a decline in the levels of antioxidants, i.e., SOD from approximately 13 to 10 U mg-1 protein and CAT activity from 23 to 9 U mg-1 protein. To the best of our knowledge, this is the first report on the response of Pelibuey sheep to short-term water shortage stress under Cuban environmental conditions.
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Affiliation(s)
- Jorge Orlay Serrano
- Faculty of Agriculture, University of Ciego de Ávila, 69450, Ciego de Ávila, Cuba
| | | | | | | | - Lisbet Pérez-Bonachea
- Laboratory for Breeding and Conservation of Genetic Resources, Bioplant Center, University of Ciego de Avila, 69450, Ciego de Ávila, Cuba
| | - Lázaro Hernández
- Laboratory for Breeding and Conservation of Genetic Resources, Bioplant Center, University of Ciego de Avila, 69450, Ciego de Ávila, Cuba
| | - Gustavo Lorente
- Laboratory for Breeding and Conservation of Genetic Resources, Bioplant Center, University of Ciego de Avila, 69450, Ciego de Ávila, Cuba
| | - Elliosha Hajari
- Plant Improvement, Agricultural Research Council-Tropical and Subtropical Crops, Private Bag X11208, Nelspruit, 1200, South Africa
| | - Norge Fonseca-Fuentes
- Centro de Estudio de Producción Animal (CEPA), Universidad de Granma (UDG), carretera de Manzanillo km 17 ½ CP, 85100, Bayamo, Granma, Cuba
| | - Jorge Martínez-Melo
- Faculty of Agriculture, University of Ciego de Ávila, 69450, Ciego de Ávila, Cuba
| | - José Carlos Lorenzo
- Laboratory for Breeding and Conservation of Genetic Resources, Bioplant Center, University of Ciego de Avila, 69450, Ciego de Ávila, Cuba.
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Vijayakumar P, Singaravadivelan A, Mishra A, Jagadeesan K, Bakyaraj S, Suresh R, Sivakumar T. Whole-Genome comparative analysis reveals genetic mechanisms of disease resistance and heat tolerance of tropical Bos indicus cattle breeds. Genome 2021; 65:241-254. [PMID: 34914549 DOI: 10.1139/gen-2021-0030] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
The Bos indicus cattle breeds have been naturally selected over thousands of years for disease resistance and thermo-tolerance. However, a genetic mechanism of these specific inherited characteristics needs to be discovered. Hence, in this study, the whole-genome comparative analysis of Bos indicus cattle breeds of Kangayam, Tharparkar, Sahiwal, Red Sindhi, and Hariana of the Indian subcontinent was conducted. The genetic variants identification analysis revealed a total of 15,58,51,012 SNPs and 1,00,62,805 InDels in the mapped reads across all Bos indicus cattle breeds. The functional annotation of 17,252 genes that comprised both, SNPs and InDels, of high functional impact on proteins, has been carried out. The functional annotation results revealed the pathways that were involved in the innate immune response including toll-like receptors, a retinoic acid-inducible gene I like receptors, NOD-like receptors, Jak-STAT signaling pathways, and the non-synonymous variants in the candidate immune genes. Further, we also identified several pathways involved in heat shock response, hair and skin properties, oxidative stress response, osmotic stress response, thermal sweating, feed intake, metabolism, and the non-synonymous variants in the candidate thermo-tolerant genes. These pathways and genes were directly or indirectly contributing to the disease resistance and thermo-tolerance adaptations of Bos indicus cattle breeds.
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Affiliation(s)
- Periyasamy Vijayakumar
- Veterinary College and Research Institute, TANUVAS, Animal Genetics and Breeding, Livestock Farm Comlex, Orathanadu, Tamil Nadu, India, 6145 625;
| | - Arunasalam Singaravadivelan
- Veterinary College and Research Institute, TANUVAS, Livestock Production Management, VCRI, Orathanadu, Orathanadu, Tamil Nadu, India, 614 625;
| | - Anamika Mishra
- High Security Animal Disease laboratory, Indian Veterinary Research Institute, Anand Nagar, Bhopal, Madhya Pradesh, India, 462021;
| | - Krishnan Jagadeesan
- University Training and Research Centre, Pillayarpatty - 613 403, , Animal Genetics and Breeding, Thanjavur, Tamil Nadu, India;
| | - Sanniyasi Bakyaraj
- College of Poultry Production and Management, TANUVAS, Hosur, Tamil nadu, India;
| | - Ramalingam Suresh
- Veterinary College and Research Institute, TANUVAS, Animal Genetics and Breeding, VETERINARY COLLEGE AND RESEARCH INSTITUTE, Orathanadu, Tamil Nadu, India, 243122.,Indian Veterinary Research Institute, 30072, 117, Salihothra Hostel (4th hostel), IVRI, BAREILLY, Izatnagar, UTTAR PRADESH, India, 243122;
| | - Thiagarajan Sivakumar
- Veterinary College and Research Institute, TANUVAS, Livestock Production Management, Orathanadu, Tamil Nadu, India;
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Renaudeau D, Dourmad JY. Review: Future consequences of climate change for European Union pig production. Animal 2021; 16 Suppl 2:100372. [PMID: 34690100 DOI: 10.1016/j.animal.2021.100372] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2021] [Revised: 08/23/2021] [Accepted: 08/26/2021] [Indexed: 01/21/2023] Open
Abstract
Climate change is already a reality for livestock production. In contrast to the ruminant species, little is known about the impacts and the vulnerability of pig European Union (EU) sector to climate warming. This review deals with the potential and the already measurable effects of climate change in pig production. Based on evidences published in the literature, climate change may reduce EU pig productivity by indirectly reducing the availability of crops usually used in pig feeding, spreading the vector or pathogen to new locations and increasing the risk of exposure to cereals contaminated with mycotoxins; and directly mainly by inducing heat stress and increasing the animal's susceptibility to various diseases. Provision of realistic projections of possible impacts of future climate changes on EU pig sector is a prerequisite to evaluate its vulnerability and propose effective adaptation strategies. Simulation modelling approach is the most commonly used approach for exploring the effects of medium or long-term climate change/variability in pig production. One of the main challenges for this modelling approach is to account for both direct and indirect possible effects but also to uncertainties in parameter values that substantially increase the uncertainty estimates for model projections. The last part of the paper focus on the main issues that still need to be overcome for developing a decision support tools for simulating the direct and indirect effect of climate change in pig farms.
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Affiliation(s)
- D Renaudeau
- PEGASE, INRAE, Agrocampus-Ouest, FR-35590 Saint-Gilles, France.
| | - J Y Dourmad
- PEGASE, INRAE, Agrocampus-Ouest, FR-35590 Saint-Gilles, France
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20
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Sen2Grass: A Cloud-Based Solution to Generate Field-Specific Grassland Information Derived from Sentinel-2 Imagery. AGRIENGINEERING 2021. [DOI: 10.3390/agriengineering3010008] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Grasslands are important for their ecological values and for agricultural activities such as livestock production worldwide. Efficient grassland management is vital to these values and activities, and remote sensing technologies are increasingly being used to characterize the spatiotemporal variation of grasslands to support those management practices. For this study, Sentinel-2 satellite imagery was used as an input to develop an open-source and automated monitoring system (Sen2Grass) to gain field-specific grassland information on the national and regional level for any given time range as of January 2016. This system was implemented in a cloud-computing platform (StellaSpark Nexus) designed to process large geospatial data streams from a variety of sources and was tested for a number of parcels from the Haus Riswick experimental farm in Germany. Despite outliers due to fluctuating weather conditions, vegetation index time series suggested four distinct growing cycles per growing season. Established relationships between vegetation indices and grassland yield showed poor to moderate positive trends, implying that vegetation indices could be a potential predictor for grassland biomass and chlorophyll content. However, the inclusion of larger and additional datasets such as Sentinel-1 imagery could be beneficial to developing more robust prediction models and for automatic detection of mowing events for grasslands.
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21
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Godde C, Mason-D’Croz D, Mayberry D, Thornton P, Herrero M. Impacts of climate change on the livestock food supply chain; a review of the evidence. GLOBAL FOOD SECURITY-AGRICULTURE POLICY ECONOMICS AND ENVIRONMENT 2021; 28:100488. [PMID: 33738188 PMCID: PMC7938222 DOI: 10.1016/j.gfs.2020.100488] [Citation(s) in RCA: 63] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/27/2020] [Revised: 12/20/2020] [Accepted: 12/21/2020] [Indexed: 12/23/2022]
Abstract
The potential impacts of climate change on current livestock systems worldwide are a major concern, and yet the topic is covered to a limited extent in global reports such as the ones produced by the Intergovernmental Panel on Climate Change. In this article, we review the risk of climate-related impacts along the land-based livestock food supply chain. Although a quantification of the net impacts of climate change on the livestock sector is beyond the reach of our current understanding, there is strong evidence that there will be impacts throughout the supply chain, from farm production to processing operations, storage, transport, retailing and human consumption. The risks of climate-related impacts are highly context-specific but expected to be higher in environments that are already hot and have limited socio-economic and institutional resources for adaptation. Large uncertainties remain as to climate futures and the exposure and responses of the interlinked human and natural systems to climatic changes over time. Consequently, adaptation choices will need to account for a wide range of possible futures, including those with low probability but large consequences. Risk results from the interaction of climate-related hazards with the exposure and vulnerability of human and natural systems. Climate change will impact the livestock sector throughout the food supply chain—from farm production to human consumption. Key hazards relate to climate change trends but also, and importantly, to climate variability and climate extremes. Large uncertainties remain as to climate futures and the exposure and responses of the interlinked human and natural systems. Adaptation choices will need to account for a wide range of possible futures.
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Affiliation(s)
- C.M. Godde
- Commonwealth Scientific and Industrial Research Organisation, Agriculture and Food, St Lucia, QLD, 4067, Australia
- Corresponding author.
| | - D. Mason-D’Croz
- Commonwealth Scientific and Industrial Research Organisation, Agriculture and Food, St Lucia, QLD, 4067, Australia
| | - D.E. Mayberry
- Commonwealth Scientific and Industrial Research Organisation, Agriculture and Food, St Lucia, QLD, 4067, Australia
| | - P.K. Thornton
- CGIAR Research Programme on Climate Change, Agriculture and Food Security (CCAFS), ILRI, Nairobi, Kenya
| | - M. Herrero
- Commonwealth Scientific and Industrial Research Organisation, Agriculture and Food, St Lucia, QLD, 4067, Australia
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22
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Tsartsianidou V, Kapsona VV, Sánchez-Molano E, Basdagianni Z, Carabaño MJ, Chatziplis D, Arsenos G, Triantafyllidis A, Banos G. Understanding the seasonality of performance resilience to climate volatility in Mediterranean dairy sheep. Sci Rep 2021; 11:1889. [PMID: 33479419 PMCID: PMC7820498 DOI: 10.1038/s41598-021-81461-8] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2020] [Accepted: 12/14/2020] [Indexed: 01/26/2023] Open
Abstract
As future climate challenges become increasingly evident, enhancing performance resilience of farm animals may contribute to mitigation against adverse weather and seasonal variation, and underpin livestock farming sustainability. In the present study, we develop novel seasonal resilience phenotypes reflecting milk production changes to fluctuating weather. We evaluate the impact of calendar season (autumn, winter and spring) on animal performance resilience by analysing 420,534 milk records of 36,908 milking ewes of the Chios breed together with relevant meteorological data from eastern Mediterranean. We reveal substantial seasonal effects on resilience and significant heritable trait variation (h2 = 0.03–0.17). Resilience to cold weather (10 °C) of animals that start producing milk in spring was under different genetic control compared to autumn and winter as exemplified by negative genetic correlations (− 0.09 to − 0.27). Animal resilience to hot weather (25 °C) was partially under the same genetic control with genetic correlations between seasons ranging from 0.43 to 0.86. We report both favourable and antagonistic associations between animal resilience and lifetime milk production, depending on calendar season and the desirable direction of genetic selection. Concluding, we emphasise on seasonal adaptation of animals to climate and the need to incorporate the novel seasonal traits in future selective breeding programmes.
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Affiliation(s)
- Valentina Tsartsianidou
- Department of Genetics, Development & Molecular Biology, School of Biology, Aristotle University of Thessaloniki, 54124, Thessaloniki, Greece.
| | - Vanessa Varvara Kapsona
- Department of Animal and Veterinary Sciences, Scotland's Rural College, Roslin Institute Building, Easter Bush, Midlothian, EH25 9RG, UK
| | - Enrique Sánchez-Molano
- Division of Genetics and Genomics, The Roslin Institute and Royal (Dick) School of Veterinary Studies, University of Edinburgh, Easter Bush, Midlothian, EH25 9RG, UK
| | - Zoitsa Basdagianni
- Department of Animal Production, School of Agriculture, Aristotle University of Thessaloniki, 54124, Thessaloniki, Greece
| | - Maria Jesús Carabaño
- Departamento de Mejora Genética Animal, Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA), 28040, Madrid, Spain
| | - Dimitrios Chatziplis
- Laboratory of Agrobiotechnology and Inspection of Agricultural Products, Department of Agriculture, International Hellenic University, Alexander Campus, 57400, Sindos, Greece
| | - Georgios Arsenos
- Laboratory of Animal Husbandry, School of Veterinary Medicine, Aristotle University of Thessaloniki, 54124, Thessaloniki, Greece
| | - Alexandros Triantafyllidis
- Department of Genetics, Development & Molecular Biology, School of Biology, Aristotle University of Thessaloniki, 54124, Thessaloniki, Greece
| | - Georgios Banos
- Department of Animal and Veterinary Sciences, Scotland's Rural College, Roslin Institute Building, Easter Bush, Midlothian, EH25 9RG, UK.,Laboratory of Animal Husbandry, School of Veterinary Medicine, Aristotle University of Thessaloniki, 54124, Thessaloniki, Greece
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23
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Pardo G, del Prado A. Guidelines for small ruminant production systems under climate emergency in Europe. Small Rumin Res 2020. [DOI: 10.1016/j.smallrumres.2020.106261] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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24
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The Effect of Climate Change-Induced Temperature Increase on Performance and Environmental Impact of Intensive Pig Production Systems. SUSTAINABILITY 2020. [DOI: 10.3390/su12229442] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
This study examined climate change impacts (CCI) on productivity of pig production systems, their resource use, environmental impacts and the relevance of potential adaptation options. The impact of increasing temperature and temperature-humidity index (THI) on performance of pigs in confined housing systems was analysed by a meta-analysis. Using climate data for an Austrian site for the period 1981 to 2010, different scenarios (cold year, warm year, hot year, worst case scenario) were modelled and compared. Although significant differences between thermoneutral and heat stress conditions were detected for the analysed traits of growing and finishing pigs, overall performance, resource use (cumulative energy demand) and environmental impacts (global warming, acidification and eutrophication potential) per kg of live mass for finished pigs and reared piglets did not significantly differ between most scenarios. Elements of pig production systems resilient to CCI, which were not considered under performance and environmental impacts (LCA), were addressed in a system analysis that was based on literature and expert knowledge. The most important detected system elements are plants and animals with an appropriate genetic potential, securing the access to inexpensive feed, including land for feed production, securing water supply and the implementation of health plans and measures against diseases associated with CCI.
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25
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Murray-Tortarolo GN, Jaramillo VJ. Precipitation extremes in recent decades impact cattle populations at the global and national scales. THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 736:139557. [PMID: 32473457 DOI: 10.1016/j.scitotenv.2020.139557] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/22/2019] [Revised: 05/15/2020] [Accepted: 05/18/2020] [Indexed: 06/11/2023]
Abstract
Cattle populations are one of the most important global ecological drivers. The global cattle population tripled during the past century, leading to large impacts on nutrient cycling, greenhouse gas emissions and biodiversity loss. Nonetheless, their populations have not increased uniformly through the last seven decades (1961-2018), with large unexplained variation between years. We hypothesized a main driver for such fluctuation was climate variability and thus examined global and national level relationships between cattle population growth and precipitation anomalies for the period 1961-2017. We showed that the variation in the global cattle population growth rate was related to precipitation anomalies following a distinctive parabolic relationship, where extreme wetness or dryness decreased population growth. When the analysis was downscaled to the national level, we found the strength of such relationship to be determined by the background climate and management intensity. Countries in drier climates and with less intensive cattle management showed the largest susceptibility to extreme annual precipitation. We propose a general model to explain the relationship between precipitation extremes and cattle populations at multiple scales, based on ecological processes applicable to grazing systems.
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Affiliation(s)
- Guillermo N Murray-Tortarolo
- Instituto de Investigaciones en Ecosistemas y Sustentabilidad, Universidad Nacional Autónoma de México, Morelia, Mexico.
| | - Víctor J Jaramillo
- Instituto de Investigaciones en Ecosistemas y Sustentabilidad, Universidad Nacional Autónoma de México, Morelia, Mexico
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26
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The Economic Impact of Climate Risk on Extensive Livestock: The Case of Lamb Production in Extremadura, Spain. SUSTAINABILITY 2020. [DOI: 10.3390/su12187254] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
This paper presents an evaluation of the economic cost of precipitation shortage in the production of lamb in Extremadura. Given that the production strategy is based on maintaining a productivity target by supplementing natural pastures in contexts of water scarcity, the approach will be based on the analysis of the cost structure of the sector. A monetized cash flow model will be presented, which allows us to evaluate economic impacts through a financial perspective. The study focuses on a set of 1583 farms associated into the cooperative EA Group. These members have a total of 804,000 animals, which represents more than 40% of total sheep in Extremadura. Results shows a relation between precipitation minimums and feed quantity maximums of the series analyzed. Mayor direct impact is represented by an increase in feed supplementation needs, with an economic estimation of 54 million euros over two years for the whole sector. At the farm level, there is an average reduction of profits of 50% in the case of owned land, and bankruptcy in the case of renting land. In the context of data-driven policy making, this estimate provides a tool for European Policy funding negotiation a in sector which is considered as highly strategic because of its positive impacts on the environment, the generation of employment and maintenance of rural populations in marginal areas and for the production of high-quality food with a minimal use of natural resources.
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27
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Bakare AG, Kour G, Akter M, Iji PA. Impact of climate change on sustainable livestock production and existence of wildlife and marine species in the South Pacific island countries: a review. INTERNATIONAL JOURNAL OF BIOMETEOROLOGY 2020; 64:1409-1421. [PMID: 32277350 DOI: 10.1007/s00484-020-01902-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/19/2019] [Revised: 03/19/2020] [Accepted: 03/20/2020] [Indexed: 06/11/2023]
Abstract
Climate change poses a significant threat to humanity by intensifying multiple hazards. South Pacific Island countries (SPICs) are affected and face a dire challenge to survival. Sea level rise is reducing the already limited land for human and animal habitation. Tropical cyclones and droughts are having devastating effects on the lives of humans and animals. Tropical cyclone Winston, for example, destroyed infrastructure for humans and animals in some parts of Fiji, and infectious diseases are spreading to regions where they are not commonly seen following cyclones and floods. Likewise, climate change is making droughts worse. Droughts are destroying crops and pasturelands and making freshwater unavailable for human and animal populations in the Solomon Islands and Tuvalu. There is an urgent need to ascertain the best approaches to tackle the events, which are already happening. Short-term changes can be managed at local levels through public awareness campaigns, understanding the weather patterns to prepare for disasters, reclaiming land, improving livestock breeds, introducing zoos and wildlife sanctuaries and inventing economically feasible technologies to harvest water. Long-term solutions depend on the implementation of international agreements, international aid and collective effort.
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Affiliation(s)
- Archibold G Bakare
- College of Agriculture, Fisheries and Forestry, Fiji National University, Koronivia, Fiji Islands.
| | - Gurdeep Kour
- College of Agriculture, Fisheries and Forestry, Fiji National University, Koronivia, Fiji Islands
| | - Marjina Akter
- Department of Dairy and Poultry Science, Chittagong Veterinary and Animal Sciences University, Khulshi, Chittagong, 4225, Bangladesh
| | - Paul A Iji
- College of Agriculture, Fisheries and Forestry, Fiji National University, Koronivia, Fiji Islands
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28
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Baek YC, Choi H, Jeong JY, Lee SD, Kim MJ, Lee S, Ji SY, Kim M. The impact of short-term acute heat stress on the rumen microbiome of Hanwoo steers. JOURNAL OF ANIMAL SCIENCE AND TECHNOLOGY 2020; 62:208-217. [PMID: 32292928 PMCID: PMC7142284 DOI: 10.5187/jast.2020.62.2.208] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/03/2020] [Revised: 01/31/2020] [Accepted: 02/04/2020] [Indexed: 01/09/2023]
Abstract
Heat stress negatively affects cattle productivity by reducing feed intake. In
the present study, we assessed if the rumen microbiome composition of Hanwoo
steers was altered by exposure to heat stress. Rumen samples were collected from
four Hanwoo steers that were individually housed in climate-controlled chambers
with 60% humidity and environmental temperatures of: 1) 15°C (0-day
group), 2) 35°C for 3 days (3-day group), and 3) 35°C for 6 days
(6-day group). The total community DNA of samples was extracted, and 997,843
bacterial and 1,508,770 archaeal sequences were analyzed using next-generation
sequencing. Assessment of the relative abundances revealed 15 major phyla of
which Bacteroidetes was found to be the most dominant. After 3 days of heat
stress exposure there were no significant changes in the rumen microbiome
composition, except for a decrease in the Planctomycetes. However, after 6 days
of heat stress exposure, we found that the relative abundance of fibrolytic
Ruminococcaceae had decreased while that of lactate-producing Lactobacillaceae
and amylolytic Prevotella and Ruminobacter had
increased. The normal rumen microbiome of Hanwoo cattle was shown to be
disrupted after 6 days of heat stress, which led to the decrease in fibrolytic
bacteria that are sensitive to low pH and the increase in both lactate-producing
and amylolytic bacteria. We have demonstrated that the microbiome composition of
the rumen is affected by acute heat stress. Our findings may contribute to the
development of different feeding strategies to restore heat stress-induced
disruption of the rumen microbiome.
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Affiliation(s)
- Youl Chang Baek
- Animal Nutrition & Physiology Team, National Institute of Animal Science, Wanju 55365, Korea
| | - Hyuck Choi
- Department of Pet Science, Seojeong University, Yangju 11429, Korea
| | - Jin-Young Jeong
- Animal Nutrition & Physiology Team, National Institute of Animal Science, Wanju 55365, Korea
| | - Sung Dae Lee
- Animal Nutrition & Physiology Team, National Institute of Animal Science, Wanju 55365, Korea
| | - Min Ji Kim
- Animal Nutrition & Physiology Team, National Institute of Animal Science, Wanju 55365, Korea
| | - Seul Lee
- Animal Nutrition & Physiology Team, National Institute of Animal Science, Wanju 55365, Korea
| | - Sang-Yun Ji
- Animal Nutrition & Physiology Team, National Institute of Animal Science, Wanju 55365, Korea
| | - Minseok Kim
- Department of Animal Science, College of Agriculture and Life Sciences, Chonnam National University, Gwangju 61186, Korea
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Azevedo SG, Sequeira T, Santos M, Nikuma D. Climate change and sustainable development: the case of Amazonia and policy implications. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2020; 27:7745-7756. [PMID: 31981032 DOI: 10.1007/s11356-020-07725-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/10/2019] [Accepted: 01/12/2020] [Indexed: 06/10/2023]
Abstract
The relationship between sustainable development and climate change has been extensively addressed, but with few studies focusing on the Amazonian Rainforest. Due to its dimension and importance, preserving it is critical in order to mitigate the problem of climate change associated with rising temperatures, lower precipitation, and the increase of extreme weather events. This paper studies the effects of climate change on the sustainable development of Amazonia. A scientometric analysis was carried out which reveals the evolution of the research field in terms of the growing number of works that have been published in top journals and the main drivers of climate change in Amazonia, such as deforestation, global warming, and land use. Our results indicate that the environmental dimension of sustainable development has been the issue most studied. Our analysis leads us to recommend that policymakers implement incentives for better forest management, design policies with realistic expectations, and rely more on technical reports and approaches to implement policies. Better integration of policies at local, regional, national, and international levels is necessary in order to adapt to and mitigate climate change. Several measures to intensify the scientific approaches joining economic and social dimensions are also proposed. This work contributes to the systematization of the literature on sustainable development and climate change in Amazonia, which has not yet been done, and provides policy recommendations to researchers and professionals for a better understanding of climate change and sustainable development in the Amazonia region of Brazil.
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Affiliation(s)
- Susana Garrido Azevedo
- CEFAGE (Center for Advanced Studies in Management and Economics), Department of Business and Economics, University of Beira Interior, Covilhã, Portugal.
| | - Tiago Sequeira
- CEBeR (Centre for Business and Economics Research), Faculdade de Economia, Universidade de Coimbra, Coimbra, Portugal
| | - Marcelo Santos
- CEBeR (Centre for Business and Economics Research), Faculdade de Economia, Universidade de Coimbra, Coimbra, Portugal
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Osei-Amponsah R, Chauhan SS, Leury BJ, Cheng L, Cullen B, Clarke IJ, Dunshea FR. Genetic Selection for Thermotolerance in Ruminants. Animals (Basel) 2019; 9:E948. [PMID: 31717903 PMCID: PMC6912363 DOI: 10.3390/ani9110948] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2019] [Revised: 11/05/2019] [Accepted: 11/05/2019] [Indexed: 12/15/2022] Open
Abstract
Variations in climatic variables (temperature, humidity and solar radiation) negatively impact livestock growth, reproduction, and production. Heat stress, for instance, is a source of huge financial loss to livestock production globally. There have been significant advances in physical modifications of animal environment and nutritional interventions as tools of heat stress mitigation. Unfortunately, these are short-term solutions and may be unsustainable, costly, and not applicable to all production systems. Accordingly, there is a need for innovative, practical, and sustainable approaches to overcome the challenges posed by global warming and climate change-induced heat stress. This review highlights attempts to genetically select and breed ruminants for thermotolerance and thereby sustain production in the face of changing climates. One effective way is to incorporate sustainable heat abatement strategies in ruminant production. Improved knowledge of the physiology of ruminant acclimation to harsh environments, the opportunities and tools available for selecting and breeding thermotolerant ruminants, and the matching of animals to appropriate environments should help to minimise the effect of heat stress on sustainable animal genetic resource growth, production, and reproduction to ensure protein food security.
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Affiliation(s)
- Richard Osei-Amponsah
- Faculty of Veterinary and Agricultural Sciences, University of Melbourne, Melbourne, VIC 3010, Australia; (R.O.-A.); (B.J.L.); (L.C.); (B.C.); (I.J.C.); (F.R.D.)
- Department of Animal Science, University of Ghana, Legon, Accra, Ghana
| | - Surinder S. Chauhan
- Faculty of Veterinary and Agricultural Sciences, University of Melbourne, Melbourne, VIC 3010, Australia; (R.O.-A.); (B.J.L.); (L.C.); (B.C.); (I.J.C.); (F.R.D.)
| | - Brian J. Leury
- Faculty of Veterinary and Agricultural Sciences, University of Melbourne, Melbourne, VIC 3010, Australia; (R.O.-A.); (B.J.L.); (L.C.); (B.C.); (I.J.C.); (F.R.D.)
| | - Long Cheng
- Faculty of Veterinary and Agricultural Sciences, University of Melbourne, Melbourne, VIC 3010, Australia; (R.O.-A.); (B.J.L.); (L.C.); (B.C.); (I.J.C.); (F.R.D.)
| | - Brendan Cullen
- Faculty of Veterinary and Agricultural Sciences, University of Melbourne, Melbourne, VIC 3010, Australia; (R.O.-A.); (B.J.L.); (L.C.); (B.C.); (I.J.C.); (F.R.D.)
| | - Iain J. Clarke
- Faculty of Veterinary and Agricultural Sciences, University of Melbourne, Melbourne, VIC 3010, Australia; (R.O.-A.); (B.J.L.); (L.C.); (B.C.); (I.J.C.); (F.R.D.)
| | - Frank R. Dunshea
- Faculty of Veterinary and Agricultural Sciences, University of Melbourne, Melbourne, VIC 3010, Australia; (R.O.-A.); (B.J.L.); (L.C.); (B.C.); (I.J.C.); (F.R.D.)
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31
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Abstract
(1) Background: The sharing economy has emerged as a phenomenon widely described by academic literature to promote more sustainable consumption practices such as access over ownership. However, there exists great semantic confusion within academic literature surrounding the term “sharing economy,” which threatens the realisation of its purported sustainability potential. (2) Objective: The aim of this paper is to synthesise the existing academic definitions and propose a definition of the sharing economy from the perspective of sustainability science in order to indicate sharing practices that are consistent with the sustainability claims attributed to the sharing economy. (3) Methods: We conduct a database search to collect relevant academic articles. Then, we leverage qualitative content analysis in order to analyse the authors’ definitions and to synthesise the broad dimensions of the sharing economy in the discourse. (4) Results: We propose the following characteristics, or semantic properties, of the sharing economy for sustainability: ICT-mediated, non-pecuniary motivation for ownership, temporary access, rivalrous and tangible goods. (5) Conclusion: The semantic properties that inform our definition of the sharing economy for sustainability indicate those sharing practices that promote sustainable consumption compared to purely market-based exchanges. This definition is relevant for academics studying the sustainability impacts of the sharing economy in order to promote comparability and compatibility in research. Furthermore, the definition is useful for policy-makers, entrepreneurs, managers and consumers that have the sharing economy on the agenda in order to promote social enterprise and support sustainable consumption.
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32
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Morgan ER, Aziz NAA, Blanchard A, Charlier J, Charvet C, Claerebout E, Geldhof P, Greer AW, Hertzberg H, Hodgkinson J, Höglund J, Hoste H, Kaplan RM, Martínez-Valladares M, Mitchell S, Ploeger HW, Rinaldi L, von Samson-Himmelstjerna G, Sotiraki S, Schnyder M, Skuce P, Bartley D, Kenyon F, Thamsborg SM, Vineer HR, de Waal T, Williams AR, van Wyk JA, Vercruysse J. 100 Questions in Livestock Helminthology Research. Trends Parasitol 2018; 35:52-71. [PMID: 30477758 DOI: 10.1016/j.pt.2018.10.006] [Citation(s) in RCA: 43] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2018] [Revised: 10/26/2018] [Accepted: 10/27/2018] [Indexed: 12/22/2022]
Abstract
An elicitation exercise was conducted to collect and identify pressing questions concerning the study of helminths in livestock, to help guide research priorities. Questions were invited from the research community in an inclusive way. Of 385 questions submitted, 100 were chosen by online vote, with priority given to open questions in important areas that are specific enough to permit investigation within a focused project or programme of research. The final list of questions was divided into ten themes. We present the questions and set them briefly in the context of the current state of knowledge. Although subjective, the results provide a snapshot of current concerns and perceived priorities in the field of livestock helminthology, and we hope that they will stimulate ongoing or new research efforts.
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Affiliation(s)
- Eric R Morgan
- Queen's University Belfast, School of Biological Sciences, 97, Lisburn Road, Belfast, BT9 7BL, UK.
| | - Nor-Azlina A Aziz
- Department of Veterinary Pathology and Microbiology, Faculty of Veterinary Medicine, Universiti Putra Malaysia, 43400 UPM, Serdang, Selangor, Malaysia
| | | | | | - Claude Charvet
- ISP, INRA, Université Tours, UMR1282, 37380, Nouzilly, France
| | - Edwin Claerebout
- Laboratory for Parasitology, Faculty of Veterinary Medicine, Ghent University, B9820 Merelbeke, Belgium
| | - Peter Geldhof
- Laboratory for Parasitology, Faculty of Veterinary Medicine, Ghent University, B9820 Merelbeke, Belgium
| | - Andrew W Greer
- Faculty of Agriculture and Life Sciences, P.O. Box 85084, Lincoln University, Christchurch, 7647, New Zealand
| | - Hubertus Hertzberg
- Institute of Parasitology, University of Zurich, Winterthurerstrasse 266a, 8057 Zurich, Switzerland
| | - Jane Hodgkinson
- Institute of Infection and Global Health, University of Liverpool, Liverpool Science Park IC2, 146 Brownlow Hill, Liverpool, L3 5RF, UK
| | - Johan Höglund
- Swedish University of Agricultural Sciences, BVF-parasitology, Box 7036, 750 07, Uppsala, Sweden
| | - Hervé Hoste
- UMR 1225 IHAP INRA/ENVT, 23 Chemin des Capelles, 31076 Toulouse, France
| | - Ray M Kaplan
- Department of Infectious Diseases, College of Veterinary Medicine, University of Georgia, Athens, GA, USA
| | - María Martínez-Valladares
- Instituto de Ganadería de Montaña (CSIC-Universidad de León), Finca Marzanas, Grulleros, 24346 León, Spain
| | - Siân Mitchell
- Animal and Plant Health Agency, Carmarthen Veterinary Investigation Centre, Jobswell Road, Johnstown, Carmarthen, SA31 3EZ, UK
| | - Harm W Ploeger
- Utrecht University, Department of Infectious Diseases and Immunology, Yalelaan 1, 3584 CL, Utrecht, The Netherlands
| | - Laura Rinaldi
- Department of Veterinary Medicine and Animal Production, University of Napoli Federico II, Napoli, Italy
| | - Georg von Samson-Himmelstjerna
- Institute for Parasitology and Tropical Veterinary Medicine, Freie Universitaet Berlin, Robert-von-Ostertag-Str. 7-13, 14163 Berlin, Germany
| | - Smaragda Sotiraki
- Veterinary Research Institute, HAO-DEMETER, Campus Thermi 57001, Thessaloniki, Greece
| | - Manuela Schnyder
- Institute of Parasitology, University of Zurich, Winterthurerstrasse 266a, 8057 Zurich, Switzerland
| | - Philip Skuce
- Moredun Research Institute, Pentlands Science Park, Edinburgh EH26 0PZ, UK
| | - David Bartley
- Moredun Research Institute, Pentlands Science Park, Edinburgh EH26 0PZ, UK
| | - Fiona Kenyon
- Moredun Research Institute, Pentlands Science Park, Edinburgh EH26 0PZ, UK
| | - Stig M Thamsborg
- Department of Veterinary and Animal Sciences, Faculty of Health and Medical Sciences, University of Copenhagen, Frederiksberg, Denmark
| | - Hannah Rose Vineer
- Institute of Infection and Global Health, University of Liverpool, Liverpool Science Park IC2, 146 Brownlow Hill, Liverpool, L3 5RF, UK; School of Biological Sciences, University of Bristol, 24 Tyndall Avenue, Bristol, BS8 1TQ, UK
| | - Theo de Waal
- University College Dublin, School of Veterinary Medicine, Belfield, Dublin, D04 W6F6, Ireland
| | - Andrew R Williams
- Department of Veterinary and Animal Sciences, Faculty of Health and Medical Sciences, University of Copenhagen, Frederiksberg, Denmark
| | - Jan A van Wyk
- Department of Veterinary Tropical Diseases, University of Pretoria, Private Bag X20, Pretoria, South Africa
| | - Jozef Vercruysse
- Laboratory for Parasitology, Faculty of Veterinary Medicine, Ghent University, B9820 Merelbeke, Belgium
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Affiliation(s)
- John B Gaughan
- School of Agriculture and Food Sciences, The University of Queensland, Gatton, Australia
- Corresponding author:
| | - Veerasamy Sejian
- Animal Physiology Division, ICAR-National Institute of Animal Nutrition and Physiology, Bangalore, India
| | - Terry L Mader
- Department of Animal Science, University of Nebraska-Lincoln, Lincoln, NE
| | - Frank R Dunshea
- Faculty of Veterinary and Agricultural Sciences, The University of Melbourne, Parkville, Australia
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