Assessing the environmental impact of swine production G. J. Thoma, University of Arkansas, USA

2010 ◽  
Vol 39 (suppl spe) ◽  
pp. 317-325 ◽  
Author(s):  
Divanildo Outor Monteiro ◽  
Victor Manuel Carvalho Pinheiro ◽  
José Luís Medeiros Mourão ◽  
Miguel António Machado Rodrigues

This work presents strategies that can be implemented in order to minimize the environmental impact of swine slurry on soil, water, and air. This reduction can be achieved through decrease in nitrogen excretion and ammonia emissions. The correct feed formulation according to animal requirements, the increase in diet digestibility and improvement in animal performance can reduce nitrogen excretion. The use of additives either in the diet or in the manure as well as some equipment rearrangements can reduce ammonia emission.


Animals ◽  
2020 ◽  
Vol 10 (6) ◽  
pp. 1046 ◽  
Author(s):  
Silvana Pietrosemoli ◽  
James T. Green ◽  
Maria Jesús Villamide

Ground cover maintenance and nutrients management are key elements to reduce the environmental impact of outdoor swine production. The objective of this study was to determine the effects of sows-gilts stocking rates on vegetative ground cover and soil nutrient concentrations in rotationally stocked bermudagrass (Cynodon dactylon L. Pers) pastures. Three stocking rates (10, 15 and 25 sows-gilts ha−1) were compared during three 8-week grazing periods. Increasing the stocking rate from 10 to 25 sows-gilts ha−1 decreased the ground cover of the paddocks from 65 to 48%, and increased soil nutrient concentrations (ammonium 47%; nitrate 129%; phosphorus 53%; zinc 84%; and copper 29%).


2010 ◽  
Vol 4 (3) ◽  
pp. 18 ◽  
Author(s):  
Juliana Fatima de Moraes Hernandes ◽  
Verônica Schmidt ◽  
João Armando Dessimon Machado

A suinocultura vem ganhando importante papel na economia brasileira principalmente no que se refere às exportações. O crescimento do setor deve-se a investimentos em pesquisa e tecnologia, administração e marketing bem como em aperfeiçoamento de processos que resultaram em aumento e melhoramento da produtividade. Embora a produção suinícola tenha trazido ganhos econômicos e sociais, a atividade apresenta uma alta capacidade poluidora ao ambiente em que está inserida. Este trabalho teve por objetivo verificar quais os aspectos ambientais que devem ser mitigados nas granjas de médio porte a excepcional no Vale do Taquari. Foram pesquisadas 59 granjas da região que possuem processo de licenciamento ambiental pela FEPAM. Realizou-se uma pesquisa interpretativa sendo que os dados levantados, de natureza secundária, referem-se a vistorias realizadas pela FEPAM para concessão de licenciamento ambiental no período 2008-outubro 2009. Dentre os resultados obtidos verificou-se que as melhorias a serem realizadas nas granjas em estudo dizem respeito, na grande maioria, ao tratamento dos dejetos; todavia, indicou-se também a necessidade de melhor manejo dos animais mortos e a necessidade de melhorar as instalações das granjas para melhor alocar os animais. Palavras-chave: suinocultura; impacto ambiental; tratamento de dejetos. ABSTRACT The swine production has been acquiring an important role in the Brazilian economy, especially regarding to exportation. The sector's growth is due to investment in research and technology, management and marketing as well as process improvement which resulted in increasing and improving productivity. Although the pig production has brought economic and social gains, the activity highly pollutes the environment. This study aimed at determining which environmental aspects that need improvement in medium-exceptional size farms in the Vale do Taquari. Fifty-nine swine farms were analyzed, all of which have their environmental license granted by FEPAM. This work is an interpretative study. The data collected is secondary and they are part of FEPAM report on granting the environmental license. The results indicates the need for better management of waste treatment, dead animal disposal and to improve the facilities of the farms to better allocate the animals. Keywords: swine production; environmental impact; waste treatment.


2019 ◽  
Author(s):  
M Hänsel ◽  
T Bambach ◽  
H Wachtel
Keyword(s):  

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