Tracking Free-Ranging Pantaneiro Sheep during Extreme Drought in the Pantanal through Precision Technologies

Registro completo de metadados
MetadadosDescriçãoIdioma
Autor(es): dc.contributorUniversidade Estadual Paulista (UNESP)-
Autor(es): dc.contributorEmpresa Brasileira de Pesquisa Agropecuária (EMBRAPA)-
Autor(es): dc.contributorUniversity of São Paulo-
Autor(es): dc.creatorda Silva, Gianni Aguiar-
Autor(es): dc.creatorSantos, Sandra Aparecida-
Autor(es): dc.creatorMeirelles, Paulo Roberto de Lima-
Autor(es): dc.creatorPinheiro, Rafael Silvio Bonilha-
Autor(es): dc.creatorGôlo, Marcos Paulo Silva-
Autor(es): dc.creatorFranco, Jorge Luiz-
Autor(es): dc.creatorPéres, Igor Alexandre Hany Fuzeta Schabib-
Autor(es): dc.creatorMoura, Laysa Fontes-
Autor(es): dc.creatorCosta, Ciniro-
Data de aceite: dc.date.accessioned2025-08-21T18:32:52Z-
Data de disponibilização: dc.date.available2025-08-21T18:32:52Z-
Data de envio: dc.date.issued2025-04-29-
Data de envio: dc.date.issued2024-07-01-
Fonte completa do material: dc.identifierhttp://dx.doi.org/10.3390/agriculture14071154-
Fonte completa do material: dc.identifierhttps://hdl.handle.net/11449/301708-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/301708-
Descrição: dc.descriptionThe Pantanal has been facing consecutive years of extreme drought, with an impact on the quantity and quality of available pasture. However, little is known about how locally adapted breeds respond to the distribution of forage resources in this extreme drought scenario. This study aimed to evaluate the movement of free-grazing Pantaneiro sheep using a low-cost GPS to assess the main grazing sites, measure the daily distance traveled, and determine the energy requirements for walking with body weight monitoring. In a herd of 100 animals, 31 were selected for weighing, and six ewes were outfitted with GPS collars. GPS data collected on these animals every 10 m from August 2020 to May 2021 was analyzed using the Python programming language. The traveled distance and activity energy requirements (ACT) for horizontal walking (Mcal/d of NEm) were determined. The 31 ewes were weighed at the beginning and end of each season. The available dry matter (DM) and floristic composition of the grazing sites were estimated at the peak of the drought. DM was predicted using power regression with NDVI (normalized difference vegetation index) (R2 = 0.94). DM estimates averaged 450 kg/ha, ranging from traces to 3830 kg/ha, indicating overall very low values. Individual variation in the frequency of use of grazing sites was observed (p < 0.05), reflecting the distances traveled and the energetic cost of the activity. The range of distances traveled by the animals varied from 3.3 to 17.7 km/d, with an average of 5.9 km/d, indicating low energy for walking. However, the traveled distance and ACT remained consistent over time; there were no significant differences observed between seasons (p > 0.05). On average, the ewes’ initial weight did not differ from the weight at the drought peak (p > 0.05), indicating that they maintained their initial weight, which is important for locally adapted breeds as it confers robustness and resilience. This study also highlighted the importance of the breed’s biodiverse diet during extreme drought, which enabled the selection of forage for energy and nutrient supplementation. The results demonstrated that precision tools such as GPS and satellite imagery enabled the study of animals in extensive systems, thereby contributing to decision-making within the production system.-
Descrição: dc.descriptionFundação de Apoio ao Desenvolvimento do Ensino, Ciência e Tecnologia do Estado de Mato Grosso do Sul-
Descrição: dc.descriptionSchool of Veterinary Medicine and Animal Science São Paulo State University (UNESP), SP-
Descrição: dc.descriptionEmbrapa Pecuária Sudeste, São Carlos, SP-
Descrição: dc.descriptionInstitute of Mathematics and Computer Sciences University of São Paulo, SP-
Descrição: dc.descriptionEmbrapa Pantanal, MS-
Descrição: dc.descriptionSchool of Veterinary Medicine and Animal Science São Paulo State University (UNESP), SP-
Descrição: dc.descriptionFundação de Apoio ao Desenvolvimento do Ensino, Ciência e Tecnologia do Estado de Mato Grosso do Sul: 024370-
Idioma: dc.languageen-
Relação: dc.relationAgriculture (Switzerland)-
???dc.source???: dc.sourceScopus-
Palavras-chave: dc.subjectadapted locally breed-
Palavras-chave: dc.subjectbiodiverse diet-
Palavras-chave: dc.subjectdaily distance traveled-
Palavras-chave: dc.subjectGPS-
Palavras-chave: dc.subjectOvis aries-
Título: dc.titleTracking Free-Ranging Pantaneiro Sheep during Extreme Drought in the Pantanal through Precision Technologies-
Tipo de arquivo: dc.typelivro digital-
Aparece nas coleções:Repositório Institucional - Unesp

Não existem arquivos associados a este item.