2011
DOI: 10.1590/s1516-35982011000600011
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Lactose levels in diets for piglets weaned at 21 days of age

Abstract: -With the objective of evaluating levels of lactose in diets for piglets weaned at 21 days of age, it was carried out an experiment with 72 animals, with average weight of 6.12 kg, distributed in a completely randomized block design with four diets (0, 4, 8, and 12% lactose), six replicates, and 3 animals per experimental unit. Animals were fed the experimental diets from 21 to 35 days of age and they were fed a lactose-free basal diet from 36 to 49 days of age. The lactose levels did not affect daily weight g… Show more

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Cited by 9 publications
(11 citation statements)
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“…This lack of effect may result from the fact that piglets in the present study have been individually housed under high hygienic standards what could have affected intestinal bacterial colonization differently from those piglets that were exposed to environmental, nutritional or immunological stressors (from commercial facilities), what could have reduced the differences among piglets from treatments (Che et al, 2012;Yi et al, 2005). Also, the presence of dairy products, and high concentrations of zinc oxide, both of these components with trophic effects in the intestinal mucosa, might have masked the observable differences among treatments (Molino et al, 2011;Shelton et al, 2011).…”
Section: Discussionmentioning
confidence: 93%
“…This lack of effect may result from the fact that piglets in the present study have been individually housed under high hygienic standards what could have affected intestinal bacterial colonization differently from those piglets that were exposed to environmental, nutritional or immunological stressors (from commercial facilities), what could have reduced the differences among piglets from treatments (Che et al, 2012;Yi et al, 2005). Also, the presence of dairy products, and high concentrations of zinc oxide, both of these components with trophic effects in the intestinal mucosa, might have masked the observable differences among treatments (Molino et al, 2011;Shelton et al, 2011).…”
Section: Discussionmentioning
confidence: 93%
“…Os resultados encontrados na literatura em que ingredientes funcionais foram avaliados são coerentes com a observação do status sanitário do local experimental. Muitos autores não verificaram efeito dos ingredientes potencialmente melhoradores da saúde, como probióticos (28,29) , prebióticos (25) , glutamina e ácido glutâmico (30) , lactose (31) , quando comparados às dietas controle, o que pode estar relacionado à ausência de desafio sanitário. No entanto, outros autores que comprovaram que, com o desafio sanitário, induzido ou naturalmente proporcionado pelas instalações, houve efeito positivo da inclusão dos ingredientes funcionais na dieta, como Estiene et al (32) , que trabalharam com probióticos.…”
Section: Resultsunclassified
“…A importância do desafio sanitário para leitões na fase de desmame também foi estudada por Cromwell et al (18) , que demonstraram a importância do manejo sanitário das granjas para o desempenho e a saúde dos leitões. Além disso, o núcleo utilizado nas dietas basais continha fontes de lactose que, de acordo com Molino et al (31) , promove melhoria da saúde intestinal pelo aumento da população microbiana benéfica, tais como Lactobacillus spp. Um dos problemas atribuídos à desmama precoce dos suínos é a redução do consumo de ração principalmente na primeira semana pós-desmame, que resulta em atrofia das vilosidades intestinais e queda na capacidade de aproveitamento dos nutrientes da ração, como relatado por Molino e Balbino (33) .…”
Section: Resultsunclassified
“…An improvement of intestinal health attributable to lactose ingestion has been shown also in piglets where lower faecal pH, reduced concentrations of branched chain fatty acids, potential pathogenic bacteria like Coliformes spp., higher total SCFA and butyric acid (Pierce et al 2006) as well as faecal lactobacilli (Molino et al 2011) and bifidobacteria (Pierce et al 2007) have been reported. However, in these last studies, the gastro-intestinal tolerance of the animals to lactose has not been described.…”
Section: Discussionmentioning
confidence: 97%
“…At present, the prebiotic potential of lactose has been estimated in farm animal species such as pigs (Pierce et al 2007;Molino et al 2011) and poultry (Totton et al 2012), but there is a lack of evidences, in this regard, in companion animals like dogs.…”
Section: Introductionmentioning
confidence: 99%