Science topic

# Livestock - Science topic

Domesticated farm animals raised for home use or profit but excluding POULTRY. Typically livestock includes CATTLE; SHEEP; HORSES; SWINE; GOATS; and others.
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Publications related to Livestock (10,000)
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Article
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Parasites of veterinary importance have been heavily focused on domesticated livestock that was introduced into the neo-tropics. The text used in the teaching parasitology to veterinary students in Trinidad has only investigated the parasites of domesticated species. In the reviewed veterinary parasitology text no mention was made on the parasites...
Chapter
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The vast semi-arid Southern peninsular region of India is irrigated using a traditional surface water infrastructure called Tank Cascade Systems (TCS). The TCS is a common-property resource that was constructed about 2000 years ago and has been managed since then for generations using public-participatory approaches. Furthermore, the application of...
Article
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Pigs are sensitive to high environmental temperature due to difficulties in eliminating excess body heat. The present study was undertaken to evaluate the effects of ambient temperature on growth performances, carcass traits and meat quality of pigs. This trial was carried out at the Experimental Center of Livestock at Sunchon National University,...
Article
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This paper aims to analyze gender differences in the adoption of agricultural technology in the North Shewa Zone, Amhara Region, Ethiopia. The data were collected in 2021 from 796 farm households and were analyzed using binary logit model. The results show that the adoption rate of agricultural technology in the zone by male-headed (87.3%) and fema...
Article
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A study was conducted in Adola Reedde to identify major grass species and evaluate their chemical composition, in vitro digestibility, and dry matter yield. Sixty key informants taken from the sampled kebele of three agro-climates were interviewed to identify common grasses in their vernacular name. Relative feed value and dry matter digestibility...
Article
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Inefficiency in barley production is among the challenges to agricultural transformation in Ethiopia. North Shewa zone of Amhara regional state is not exception in this regard. As such addressing inefficiency is among the crucial efforts for agricultural transformation. The objective of the current study was to analyze the technical efficiency of b...
Article
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Ethiopia’s agriculture is dominated by small-scale rain-fed production in combinations of natural and manmade factors have resulted in serious poverty. Irrigation farming is increasing been used as a strategy in Ethiopia. However, lack of consensus on the role of the irrigation sector on the welfare of smallholder farmers and pitfalls in impact stu...
Article
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This paper contributes to the smallholder agriculture commercialisation literature by applying the Theory of Planned Behaviour in an under-researched developing country context. The study examines the influence of attitude, subjective norms and perceived behavioural control on the Scaling-Up intent among smallholder village chicken (free-range or i...
Article
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Background In livestock breeding, selection for some traits can be improved with direct selection for crossbred performance. However, genetic analyses with phenotypes from crossbred animals require methods for multibreed relationship matrices; especially when some animals are rotationally crossbred. Multiple methods for multibreed relationship matr...
Chapter
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Com o objetivo de fornecer uma visão sintética dos avanços das pesquisas em cenários futuros para a BAP, apresentamos neste capítulo alguns resultados recentes. Para tanto, selecionamos alguns estudos para exemplificar cenários futuros para a região, relacionados principalmente às mudanças climáticas e ao uso do solo. Assim, podemos avaliar quanto...
Article
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A dataset of 100 pigs, from the Piétrain NN Français line raised at the AXIOM boar testing station in 2020, was used. The farm was equipped with an automatic feeding system, recording individual weight and feed intake at each visit. We used a dynamic linear regression model to characterise the evolution of the energetic allocation factor (αt) which...
Article
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Coxiella burnetii is the etiologic agent of Q fever, a zoonotic infectious disease of worldwide distribution that has a wide clinical spectrum. Transmission of C. burnetii occurs by inhalation of contaminated secretions and excreta of infected animal species, particularly goats, cattle and sheep. Activities associated with livestock contact represe...
Article
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Globally, food crops production has been challenged by the impacts of climate change. Climate change scholars have argued that rural dwellers, particularly smallholder farmers who engage in food crops production, suffer the most due to their low capacity to adapt. A growing body of knowledge also suggests that local practices serve as safeguards, t...
Article
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Background Pig production has been highlighted as one of the highest users of antibiotics amongst livestock, with several studies suggesting a variety of approaches to antibiotic reduction. We aimed to investigate links between antibiotic use (defined as total amount of critically (CIA) and non-critically important antibiotics, and as mg per kg of...
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Background Genomic selection has revolutionized genetic improvement in animals and plants, but little is known about its long-term effects. Here, we investigated the long-term effects of genomic selection on response to selection, genetic variance, and the genetic architecture of traits using stochastic simulations. We defined the genetic architect...
Article
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Background It is expected that functional, mainly missense and loss-of-function (LOF), and regulatory variants are responsible for most phenotypic differences between breeds and genetic lines of livestock species that have undergone diverse selection histories. However, there is still limited knowledge about the existing missense and LOF variation...
Article
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Background Selection of livestock based on their robustness or sensitivity to environmental variation could help improve the efficiency of production systems, particularly in the light of climate change. Genetic variation in robustness arises from genotype-by-environment (G × E) interactions, with genotypes performing differently when animals are r...
Article
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This work was originated from the need to study how animals individually react to environmental challenges. Common practical constraints in research protocols often lead to data collected at frequencies that are not high enough to capture the dynamics of animal responses. One approach to deal with that issue is to transform discrete empirical time...
Article
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Background Structural variants (SV) are causative for some prominent phenotypic traits of livestock as different comb types in chickens or color patterns in pigs. Their effects on production traits are also increasingly studied. Nevertheless, accurately calling SV remains challenging. It is therefore of interest, whether close-by single nucleotide...
Article
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Background Resilient animals are minimally affected by disturbances, such as diseases and heat stress, and quickly recover. Daily activity data can potentially indicate resilience, because resilient animals likely keep variations due to disturbances that threat animal homeostasis at a low magnitude. We used daily step count of cows to define resili...
Article
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Background Leptospirosis is a widespread zoonotic disease caused by pathogenic Leptospira and is responsible for significant economic porcine livestock losses. Knowledge of Leptospira serogroups and their distributions is important for evaluation of the relevance of leptospirosis management measures, including use of the prophylactic vaccine that w...
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Nile Crocodiles, Crocodylus niloticus, are widespread along the riverine systems and wetlands of East Africa, and may locally be involved into serious conflicts with local human communities. A research study was conducted to investigate Human-Crocodiles Conflicts (HCC) and its impacts on lives and livelihoods of local communities in the Sudd Wetlan...
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Leucaena leucocephala growing in the tropics and subtropics serves as potential forage for livestock because its foliage is rich in protein, fiber, and minerals. However, its use for livestock feed has been hindered by toxic nonprotein amino acid mimosine. Therefore, it is necessary to develop a method to reduce or eliminate mimosine from foliage....
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This paper proposes a variant of the Gray Wolf Optimizer (GWO) called the Cross-Dimensional Coordination Gray Wolf Optimizer (CDCGWO), which utilizes a novel learning technique in which all prior best knowledge is gained by candid solutions (wolves) is used to update the best solution (prey positions). This method maintains the wolf's diversity, pr...
Article
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Striking networks of livestock tracks are commonplace in hilly rangelands throughout the world. Formed largely through biogenic processes, they transform micro-topography, soil properties, vegetation distribution, and forage behaviors of livestock, and have significant implications to hydrological and biogeochemical processes and livestock forage e...
Article
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Sustainable crop and livestock planning encounter serious challenges when tasked with reducing the associated nutrient pollution entering the watershed environment. To overcome these challenges, approaches for specifying optimal crop pattern and livestock distribution to limit the pollution in the catchment are advised. In this research, a simulati...
Article
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Animal welfare in livestock farming is a general concept that involves many concrete ethical issues for which solutions need to be developed. To avoid disturbing the internal market, the European Union encourages market players to develop harmonized solutions to such issues. One issue is the castration of piglets without pain relief, the practice o...
Article
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Based on a sample of 46 Portuguese schoolbooks, this study aims to understand how factory-farmed animals are presented in such books across the themes of food and health, the environment and sustainability, and animal welfare. It examines whether schoolbooks address the importance of reducing the consumption of animal-based products for a healthy d...
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Koornwinder polynomials are q-orthogonal polynomials equipped with extra five parameters and the BCn\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$B C_n$$\end{document...
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Abundant ancient seeds of plants in the genus Melilotus have been concurrently unearthed with grain crops and livestock bones from the Keyakekuduke beacon tower of the Tang Dynasty (AD 618–907) in Xinjiang, northwest China. This is the first time that a high concentration of Melilotus seeds has been found in archaeobotanical records in Xinjiang. Co...
Poster
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Dear Colleagues, We invite you to submit articles for this Special Issue on the evolution from Industry 4.0 to Agriculture 4.0. Industry 4.0 is currently seen as the fourth stage of the Industrial Revolution. It thus causes similar economic, environmental and social change as mechanical power generation, mass production and automation. Its goal i...
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Recent ethnographic data can assist with the examination of Bronze Age pastoralist herding patterns, however, there are still missing links between the archeological record and available ethnographic data from the Southeastern Ural Mountains regions. One way to explore the answer to this question is to use archaeobotanical data to understand the he...
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The abstract describes about Lumpy skin disease (LSD) seroprevalence estimation and its associated risk factors. The disease has a significant economic impact on pastoral household livestock owners, who rely significantly on their cattle as a source of income.
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Background In the livestock feed industry, feed and feed raw materials are extremely susceptible to mycotoxin contamination. Deoxynivalenol (DON) is one of the main risk factors for mycotoxin contamination in broiler feed and feedstuff, however, there is still little knowledge about this. Hence, the purpose of this study was to explore the toxicity...
Article
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It is essential to educate students about humane slaughter as it is a critical component of livestock production, particularly for animal science students who represent future stakeholders in agriculture. There is limited research about the effects of experiential learning on student comfort in participating in education regarding sensitive, yet im...
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Background Arbas Cashmere goats are excellent domestic breeds with high yields of wool and cashmere. Their wool and cashmere can bring huge benefits to the livestock industry. Our studies intend to more fully understand the biological characteristics of hair follicle stem cells (HFSCs) in order to further explore the mechanisms of wool and cashmere...
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Rural depopulation in advanced economies has negative economic consequences for local communities and requires effective policies at different spatio-temporal and governance scales. Since the 1980s, an economic subsidy (Rural Employment Plan, PER-PFEA) was implemented at municipality scale in two autonomous communities of Spain (Andalusia and Extre...
Article
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Antecedentes. El estrés salino de los suelos del trópico afecta el crecimiento y la composición nutritiva de los pastos, como consecuencia se afecta la disponibilidad y calidad de forraje para el ganado. La salinidad puede reducir el contenido de proteína cruda y aumentar la proporción de fibra detergente neutra (FDN) de los pastos. Lo anterior pue...
Article
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Element concentration (ppm) in some samples of livestock and poultry bones has been measured using the X-ray fluorescence (XRF) technique. The study included an evaluation of the concentration of more than 20 elements in bone samples It has focused on the impacts of the freezing process on the concentration of elements The results demonstrated that...
Article
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Micro-patches are the basic unit of grazing ecosystems; the characteristics of these micro-patches are relatively stable in species under different grazing intensities in the same vegetation, but obviously different in terms of the distribution pattern. This leads to differentiation of plant community numerical characteristics under different grazi...
Article
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Brazil stands out before other countries for having a gigantic area for food production. Paraná is the state that stands out among the nation's states with its gross production value (VBP), which in these values are the agricultural and livestock productions such as poultry farming. Moreover, Paraná stands out for having a high solar irradiation, w...
Article
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India is the home of 130 million people, and feeding this ever increasing population is an arduous task for the farming community. To satisfy the hungry stomachs and minimize the yield gap, there must be a continuous flow of inputs especially high-analysis fertilizers. After nitrogen, phosphorus (P) is the most yield-limiting nutrient having use ef...
Article
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Despite the growing emphasis and global initiatives to ensure safe drinking water and sanitation for all (Sustainable Development Goal 6), households in the coastal area are at risk of growing water stress across the globe. However, little is known about households' adaptation strategies to water stress in the coastal area. This study explores the...
Article
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The livestock sector plays a very vital role in improving the food security status of people in the world. Maize and soybean are traditionally the main energy and protein sources in livestock diets respectively. However, with the consideration that the livestock sector is growing as well as the world’s population, an alternative ingredient or suppl...
Article
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Introduction Fascioloides magna is a parasite of high veterinary importance due to its pathogenicity for wild and domestic ruminants. The aim of our study was to describe the presence of trematode infection in the red deer population in the Lower Silesian Wilderness, one of the established fascioloidosis foci in Central Europe, and to assess the ov...
Article
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Protozoan diseases seriously affect the health of human beings, livestock and poultry and lead to high economic and medical costs. Extracellular vesicles (EVs) are membranous structures formed through biological processes that play important roles in immune regulation. Studies have shown that parasites transmit information to hosts through EVs to m...
Article
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In Africa, commercial and smallholder livestock production enterprises are growing, thereby increasing the demand for livestock feeds. Convectional ingredients mainly maize and soybeans have been and still are the main sources of energy and protein in livestock diets respectively. But with the growth of the livestock sector, the world’s population...
Article
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High hydrostatic pressure (HHP) processing has shown great potential in producing microbiologically safer products while maintaining the natural characteristics of the food items. Pressure ranging from 100 to 1200 MPa has been considered as effective to inactivate microorganisms including food-borne pathogens. In combination with other physical par...
Article
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The purpose of this study was to verify the proximate analysis (DM percent, Ash percent, CP percent, EE percent, and CF percent) using AOAC approved methods at the Feed Quality Control Laboratory, DLS, Savar, Dhaka, and to reduce measurement uncertainty in each test in the laboratory. To verify the test procedures, a laboratory-made control sample...
Article
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Hace unas semanas se revivió un debate sobre una supuesta posibilidad de imponer impuestos a la carne y la leche en Colombia. Se publicó en los medios una propuesta que en 2020 publicó en Twitter el designado director de la DIAN Luis Carlos Reyes, donde se planteaba gravar con $15.000 por mes cada cabeza de ganado y recaudar$4,5 billones. Ideas en...
Article
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Las poblaciones de animales suelen disminuir debido a la alteración del hábitat, pero la respuesta inicial de los organismos a los cambios ambientales inducidos por el hombre suele ser de tipo comportamental. Las interacciones intra e interespecíficas pueden restringir o facilitar el acceso a los recursos, lo que provoca cambios en la adecuación (f...
Research
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Serie de Guías Audiovisuales de Biodiversidad de Antofagasta de la Sierra Esta serie de guías nace de compartir intereses, motivaciones y conocimientos con la población local del departamento Antofagasta de la Sierra, Catamarca. La Guía de plantas de vegas de Antofagasta de la Sierra recopila información de 61 especies de plantas vasculares que hem...
Chapter
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O capítulo busca analisar o grau de cumprimento pela legislação federal brasileira das disposições do Acordo Internacional de Madeiras Tropicais (ITTA – International Tropical Timber Agreement) e da Convenção 169 da OIT sobre Povos Indígenas e Tri­bais. Tem também como objetivo analisar o cumprimento pelos signatários dos compromissos das cadeias p...
Conference Paper
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The study was conducted at Gondar Zuria District of Central Gondar Zone, Ethiopia, from January 2020 to February 2021. The objective of this study was to evaluate the effectiveness of Calpurnia aurea leave water extract and Diazinone 60% EC against ticks on goats. The experiment was arranged in a completely randomized block design with four treatme...
Article
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Quantifying the available and useable water is critical work in any water resource study and design project. However, it is challenging to provide a robust and accurate estimation of water use and distribution for better water resource management and planning. This study aims to estimate the water use by different sectors, including water supply an...
Article
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This study evaluated the change in nutritive value and in situ degradability of Desmanthus spp. (desmanthus) cultivars JCU2; D. virgatus, JCU4; D. bicornutus and JCU7; D. leptophyllus harvested at varying maturity stages to test the hypothesis that the nutritive value and in situ degradability of desmanthus differ between cultivars and with maturit...
Article
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Currently, the authorisation procedure of trace elements as feed additives in the European Union according to Regulation (EC) No. 1831/2003 does not consider the bioavailability of trace element sources. This manuscript provides framework conditions for in vivo experiments that aim to estimate differences in the relative bioavailability between sup...
Article
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Two prevailing trends in livestock production include increasing farm sizes and higher recycling rates of manure. Using beef cattle farms in China as a case study, we examine the impact of farm size on farmers' choice of manure disposal modes. Three forms of manure disposal modes are identified: (1) selling to neighboring farmers, (2) giving away t...
Article
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Pigeon pea (Cajanus cajan) remains an under-researched ‘orphan crop’ yet is important for food and nutrition security of smallholders. Furthermore, smallholders are heterogeneous, with varying perceptions and resource capacities. Against this backdrop, we clustered smallholders and assessed their preferences for pigeon pea. Data were gathered throu...
Article
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Deforestation is one of the major environmental issues in today's world specially a matter of concern in developing countries. Pressure on the natural resources has increased like conversion of forest into agricultural land for their food and for their living purposes. If this process is not controlled in time then it will have worse consequences i...
Article
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Riparian forests are rare and valuable ecosystems in Central Asia, both due to their significance for biodiversity and to their provision of vital ecosystem services to local residents. However, the actual forest use behaviour is under-researched, official figures may not be trustworthy, and the question of over-use is up in the air. This paper set...
Article
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Continuous monitoring of chickens’ movement on-farm is a challenge. The present study aimed to associate the modified YOLO v4 model with a bird tracking algorithm based on a Kalman filter to identify a chicken’s movement using low-resolution video. The videos were captured in grayscale using a top-view camera with a low resolution of 702 × 480 pixe...