Comparação da adição de extratos vegetais e antimicrobianos sintéticos para leitões na creche através de meta-análise

Hauptli, Lucélia; Lovatto, Paulo Alberto; Hauschild, Luciano

doi:10.1590/s0103-84782007000400027

Cited by 7 publications

(9 citation statements)

References 15 publications

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“…According to Tavares (1990), antimicrobials promote changes in the microbial population in the intestine through their bactericidal and bacteriostatic action against pathogenic bacteria, thus supporting the growth of beneficial bacteria. In general terms, according to Hauptli et al (2007), the results of experimental studies comparing the addition of synthetic antimicrobials and herbal extracts in pigs diets vary. Thus, it was not possible to clarify the mode of action of plant extracts in different animal species.…”

Section: Resultsmentioning

confidence: 99%

“…However, although in vitro actions have been proved to exist, the results of experimental research on the comparison between the addition of synthetic antimicrobials and vegetable extracts in swine diets are scarce and with varying results (Oetting et al, 2006;Hauptli et al, 2007). This study was accomplished aiming at evaluating the effect of oregano essential oil in the diets of weaned piglets in relation to their growth performance, incidence of diarrhea, blood parameters, as well as antioxidant and antimicrobial activities determined in vitro.…”

Section: Introductionmentioning

confidence: 99%

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Oregano essential oil as food additive for piglets: antimicrobial and antioxidant potential

et al. 2010

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-This study aimed to investigate the effect of dietary supplementation of oregano essential oil on the performance and on the occurrence of diarrhea in weanling pigs, as well as its antioxidant and antimicrobial activity evaluated in vitro. It was compared four treatments (diets): negative control; positive control, 0.5% ZnO (preventive diarrhea) + 0.05% zinc acitracin (growth promoter); or 0.003% of essential oil of oregano, combined or not with preventive of diarrhea.Weight gain, feed intake and feed conversion were evaluated from 27 (weaning) to 62 days of age of the animals, and the occurrence of diarrhea was evaluated on the first 14 days of the experiment. The positive control diet and the oregano oil + zinc oxide diet were the ones that provided the best zootechnical performance. The number of piglets with diarrhea, as well as the duration of diarrhea, were lower in animals fed positive control and oregano oil + zinc oxide diets. Oregano oil had in vitro bacteriostatic action on all the tested microorganisms and bactericidal action against four bacteria. The in vitro antioxidant activity of oregano oil was 98.88% through linoleic acid/β-carotene system methodology, and 174.17 mg/mL by the DPPH method, expressed as CE 50 . Oregano oil shows potent antioxidant effect and a strong antimicrobial activity, however, it does not improve the zootechnical performance neither it is efficient in preventing diarrhea in weanling pigs.

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Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Oregano essential oil as food additive for piglets: antimicrobial and antioxidant potential

et al. 2010

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“…Several surveys have shown maltodextrin´s efficiency to replace the lactose in piglet diets (Oliver et al, 2002;Hauptili et al, 2007;Silva et al, 2008) in addition to its prebiotic effect on piglets (Bomba et al 2002;Liong & Shah, 2005) and dogs (Flickinger et al, 2000), however it´s effects on the broiler chicken´s development have not yet been described.…”

Section: Introductionmentioning

confidence: 99%

Performance of Chicks Submitted to Fasting Post-Hatching and with Maltodextrine Supplementing to Diet as Hydrating and Energetic Additive

Machado

Fernandes

Carvalho

et al. 2017

Rev. Bras. Cienc. Avic.

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This study aimed to evaluate the effect of maltodextrin on performance of chicks passed through four fasting periods. A completely randomized design was performed, consisting of three treatments (1 -control, 2 -4% saccharose; 3-4% maltodextrin 20) and four fasting periods after hatching (0, 12, 24 and 36 hours) with four replications, totaling 1920 birds of both sexes. The studied variables were: water intake in the first 12 hours, average food intake, average body weight and real feed conversion. Data was submitted to analysis of variance and means were compared with each other by Dunnett test at 5% significance. The use of additives and imposing of different fasting periods did not influence the performance at 42 days old. Therefore, fasted chicks consumed significantly more water. At 7 days old, chicks fasted showed higher body weight and higher feed intake, however, the viability did not suffer any influence, the weight remained higher after 21days with the fast imposition and there was no influence on other variables. There was no effect of fasting on broiler chiken's performance at 42 days old. The inclusion of sucrose and maltodextrin to drinking water stimulated the chick´s water intake and provided higher viability after seven days old.

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“…One way to standardize the results and observe trends is a meta-analysis, which combines the results of several experiments related to the same subject in order to cover a group of evidences (Hauptli et al, 2007). In this study, the influence of the degree of zebu in genotype on the characteristics that affect carcass quality of beef cattle was evaluated.…”

Section: Introductionmentioning

confidence: 99%

Carcass quality of crossbred steers with different degrees of zebu blood in the genotype: meta-analysis

et al. 2011

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-In order to evaluate the effect of the different percentages of zebu blood in the genotype of crossbred steers on carcass traits, a meta-analysis was carried out, using 30 studies conducted in Brazil that have been published since the year 2000. The parameters evaluated were hot carcass weight (221 estimates), cold carcass weight (232), hot carcass (236) and cold carcass yield (223), subcutaneous fat thickness (238) and the percentages of saw cut (233), forequarter (234) and sidecut (246 estimates). Initially, exploratory analysis was performed for each of the variables for detection of publication vices through the dispersion of observations by pointing out the outliers eliminated. Normality tests were normal and the data were subjected to analysis of variance for the regression study, which were assessed to the third degree. Weights of hot carcass and cold carcass, hot and cold carcass yield and the percentage of saw cut had a quadratic effect on animals with the presence of zebu blood, indicating superiority of crossbred animals. The regression equation showed that 66; 50; 72; 81 and 59% of zebu in crossbred animals showed higher hot and cold carcass weight, hot and cold carcass percentage and saw cut, respectively. Fat thickness was not influenced by the degree of zebu in the genotype. The percentage of forequarter has a positive response by increasing the degree of zebu in the genotype, while the sidecut has a negative answer. The crossbreeding between zebu and European breeds provides carcasses with better quality than purebred animals.

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Comparação da adição de extratos vegetais e antimicrobianos sintéticos para leitões na creche através de meta-análise

Cited by 7 publications

References 15 publications

Oregano essential oil as food additive for piglets: antimicrobial and antioxidant potential

Oregano essential oil as food additive for piglets: antimicrobial and antioxidant potential

Performance of Chicks Submitted to Fasting Post-Hatching and with Maltodextrine Supplementing to Diet as Hydrating and Energetic Additive

Carcass quality of crossbred steers with different degrees of zebu blood in the genotype: meta-analysis

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