Water-Based Supplementation Technology for Grazing Cattle in the Tropics: A Large-Scale Commercial Case Study

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Autor(es): dc.contributorCentral Queensland University (CQU)-
Autor(es): dc.contributorDIT AgTech-
Autor(es): dc.contributorUniversidade de São Paulo (USP)-
Autor(es): dc.contributorUniversidade Estadual Paulista (UNESP)-
Autor(es): dc.contributorUniversidade Federal de Santa Catarina (UFSC)-
Autor(es): dc.creatorRomanzini, Eliéder Prates-
Autor(es): dc.creatorMcCollum, Vivienne-
Autor(es): dc.creatorMcilveen, Sarah-
Autor(es): dc.creatorFerreira, Evandro Maia-
Autor(es): dc.creatorSouza, William Luiz de-
Autor(es): dc.creatorCastro, Marcelo Augusto Oliveira-
Autor(es): dc.creatorBernardes, Priscila Arrigucci-
Autor(es): dc.creatorBatley, Ryan J.-
Autor(es): dc.creatorTrotter, Mark G.-
Autor(es): dc.creatorCosta, Diogo Fleury Azevedo-
Data de aceite: dc.date.accessioned2025-08-21T19:33:58Z-
Data de disponibilização: dc.date.available2025-08-21T19:33:58Z-
Data de envio: dc.date.issued2025-04-29-
Data de envio: dc.date.issued2024-12-31-
Fonte completa do material: dc.identifierhttp://dx.doi.org/10.3390/app15020851-
Fonte completa do material: dc.identifierhttps://hdl.handle.net/11449/299469-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/299469-
Descrição: dc.descriptionFeatured Application: This study demonstrates the potential of water-based nutrient injection technology to optimize supplementation strategies in extensive grazing systems. Water-based nutrient injection technology, widely used in sectors like viticulture, hydroponics, and intensive animal systems, has previously seen limited application in livestock production. Early mechanical dispensers for nutrients, such as non-protein nitrogen (NPN) and phosphorus (P), were prone to malfunction, leading to inconsistent dosing and potential livestock health risks. This contributed to skepticism and slow adoption among producers. However, recent technological advancements have renewed interest in water-based supplementation for grazing animals. This case study assessed the use of water injection technology to deliver nutrients and a methane-reducing compound to cattle on a commercial cattle station under extensive grazing conditions. A total of 120 steers [initial liveweight (LW) 322.5 ± 28.3 kg] were assigned to three groups: water only (Control), a water supplement containing nutrients such as nitrogen and phosphorus, known as uPRO GREEN® (Green), and uPRO GREEN® combined with Agolin Ruminant L® (Blue). The experiment lasted 90 days, during which LW was continuously monitored via a walk-over weighing system, and water disappearance was measured at the mob level. Methane emissions were forecasted using dry matter intake estimates based on observed animal growth rates. Additionally, 24 steers were equipped with on-animal sensors with GPS to monitor behavioral changes. The results indicate that despite the potential reduction in water intake (Control and Green: 948.1 and 973.5 L/d, respectively, versus 547.5 L/d for Blue), there were no negative effects on growth (mean average daily gain of 1.32 kg/d) or animal behaviors. The predicted methane emission of 209.04 g CH4/head/day could potentially be reduced by 10–15% with the compound used in the current trial. These findings suggest that water-based supplementation can be used to optimize nutrient delivery and a methane-reducing compound without compromising cattle productivity in extensive grazing environments. In addition, the potential enteric methane mitigation presents an opportunity for livestock producers to generate additional revenue through carbon credits or to create new markets for beef with low greenhouse gas emissions when cattle consume methane-reducing compounds.-
Descrição: dc.descriptionDepartment of State Development, Manufacturing, Infrastructure and Planning, Queensland Government-
Descrição: dc.descriptionMeat and Livestock Australia-
Descrição: dc.descriptionInstitute for Future Farming Systems Central Queensland University (CQU), Rockhampton 4701-
Descrição: dc.descriptionDIT AgTech, Wilsonton 4350-
Descrição: dc.descriptionLuiz de Queiroz College of Agriculture University of São Paulo-
Descrição: dc.descriptionFaculty of Agrarian and Veterinary Sciences São Paulo State University-
Descrição: dc.descriptionDepartment of Animal Science and Rural Development Federal University of Santa Catarina-
Descrição: dc.descriptionFaculty of Agrarian and Veterinary Sciences São Paulo State University-
Descrição: dc.descriptionDepartment of State Development, Manufacturing, Infrastructure and Planning, Queensland Government: AQIRF169-2021RD4-
Descrição: dc.descriptionMeat and Livestock Australia: MLA-MDC-P.PSH.1378-
Idioma: dc.languageen-
Relação: dc.relationApplied Sciences (Switzerland)-
???dc.source???: dc.sourceScopus-
Palavras-chave: dc.subjectanimal nutrition-
Palavras-chave: dc.subjectgreenhouse gas-
Palavras-chave: dc.subjectmethane enteric-
Palavras-chave: dc.subjecttropical C4 grass-
Palavras-chave: dc.subjectwater medication-
Título: dc.titleWater-Based Supplementation Technology for Grazing Cattle in the Tropics: A Large-Scale Commercial Case Study-
Tipo de arquivo: dc.typelivro digital-
Aparece nas coleções:Repositório Institucional - Unesp

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