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13 results on '"Mendonça, MO"'

7. Digestible Methionine + Cysteine-to-Lysine Ideal Ratio for Meat-Type Quails at Initial Phase

Author

Reis, RS, Viana, GS, Barreto, SLT, Muniz, JCL, Mendonça, MO, Mencalha, R, Ribeiro, CLN, and Barbosa, LMR

Subjects
Coturnix coturnix coturnix, digestible amino acids, Sulphur amino acids
Abstract

This trial was performed to determine the ideal ratio of digestible methionine + cysteine (Met/Lys) with digestible lysine for meat-type quails from 1 to 14 days of age. A total of six hundred thirty, one-day-old, not sexed meat type quails were randomly assigned to six groups of treatments, each one with seven replicates and fifteen quails per experimental unit. A basal diet, methionine + cysteine-deficient, was graded supplemented with DL-Methionine (0.108; 0.169; 0.230; 0.291; 0.352 and 0.413%) to obtain the treatments, represented by six digestible Met/Lys ratios (0.60; 0.65; 0.70; 0.75; 0.80 and 0.85). Data was analyzed using ANOVA and polynomial regression and broken-line models were used to estimate the digestible Met/Lys ideal ratio, considering adjust of data to both models. Statistical significance was considered when p≤0.05. Feed intake, weight gain and final body weight was linearly increased as dig. Met/Lys ratio increased. Feeding conversion was improved with increasing in dig. Met/Lys ratios. A quadratic response on feathering percentage was observed with increasing dig. Met/Lys ratios. Digestible Met/Lys ratio which, maximized feathering percentage in meat-type quails, was 0.74. According to linear broken-line model, dig. Met/Lys ratio estimated for optimum feed intake, weight gain, final body weight and feeding conversion were, respectively, 0.66; 0.71; 0.71 and 0.74. The dig. Met/Lys ideal ratio for meat-type quails from one to 14 days of age is 0.74.

Published
2017

8. The Effect of Calcium and Available Phosphorus Levels on Performance, Egg Quality and Bone Characteristics of Japanese Quails at End of the Egg-Production Phase

Author

Ribeiro, CLN, Barreto, SLT, Reis, RS, Muniz, JCL, Viana, GS, Ribeiro Junior, V, Mendonça, MO, Ferreira, RC, and DeGroot, AA

Subjects
bone development, embryonic structures, eggshell, Coturnix, bone mineral deposition, dicalcium phosphate
Abstract

Calcium (Ca) and available phosphorus (avP) requirements for egg production are different between the beginning and the end of the egg-production cycle. The objective of this study was to estimate the Ca and avP requirements of Japanese quails at end of the production phase. In total, 256 Japanese quails with 48 weeks of age were randomly distributed in 2 x 2 factorial arrangement consisting of two Ca levels (29 and 38 g/kg) and two avP levels (1.5 and 3.0 g/kg), totaling four treatments with eight replicates of eight hens each. The variables evaluated were feed intake (FI); egg production (EP); marketable egg production (MEP); egg weight (EW); egg mass (EM); feed conversion ratio per egg mass (FCRM); feed conversion ratio per dozen eggs (FCRD); livability (L); yolk weight (YW), albumen weight (AW), eggshell weight (SW); yolk percentage (YP), albumen percentage (AP), eggshell percentage (SP), specific egg weight (SEW); bone calcium percentage (BCa), bone phosphorus percentage (BP), bone ash weight (Bash) and bone ash percentage (PBash). There was no interaction between Ca and avP levels for any of the evaluated parameters, except for SEW. Quail performance was not influenced by the treatments, except for MEP. Bone characteristics were not influenced by the tested dietary Ca and avP levels. However, SW and SP increased and AP decreased as dietary Ca level increased. The dietary supplementation of 38 g Ca/kg and 3.0 g avP/kg may increase marketable egg production and the egg quality of Japanese quails at end of the production cycle.

Published
2016

12. Ozone therapy by rectal insufflation in dogs: safety and oxidative stress - a randomized cross-over study.

Author

de Oliveira PL, Mendonça MO, Gonçalves GS, Franco IG, Jané DR, de Oliveira Martins T, Bosculo MRM, Montechiesi DF, Zamboni VAG, Floriano BP, and de Almeida BFM

Subjects
Animals, Dogs, Male, Female, Antioxidants, Ozone administration & dosage, Oxidative Stress drug effects, Cross-Over Studies, Rectum drug effects, Insufflation veterinary
Abstract

Ozone therapy acts in the body inducing controlled oxidative stress, thereby improving the antioxidant, immune and circulatory responses. However, very little is known about how this therapy affects oxidative stress indicators in dogs. We aimed to assess the clinical, hematological, biochemical and oxidative stress parameters of healthy dogs subjected to ozone therapy and oxygen therapy by rectal insufflation. Ten healthy dogs were allocated into three experimental groups in a cross-over design: control, without intervention; ozone, which received 100 µg of O 3 /kg through rectal insufflation; and oxygen, which received an ozone-equivalent volume of medicinal O 2 through rectal insufflation. Dogs received four applications weekly and were followed up until the seventh week. Ozone therapy significantly increased the weight, mean corpuscular volume and mean platelet volume and decreased total cholesterol of treated dogs. Regarding oxidative stress, ozone therapy reduced total antioxidant capacity by ferric reduction (TAC-FRAP) in D7 compared with baseline and the control, significantly increased total antioxidant capacity by cupric reduction (TAC-CUPRAC) in D42 and D49 compared with the control group, caused an increase in uric acid compared with the oxygen group and decreased lipid peroxidation on D21 compared with the control group. In conclusion, ozone therapy through rectal insufflation causes transient oxidative stress followed by an antioxidant response and discreetly interferes with a few clinical, hematological and biochemical variables in healthy dogs, although variables still remained within the reference ranges for the species, thus proving the safety of the therapy. Furthermore, oxygen therapy causes oxidative stress without inducing a subsequent antioxidant response., (© 2024. The Author(s), under exclusive licence to Springer Nature B.V.)

Published
2024
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13. Saccharomyces cerevisiae and non-Saccharomyces yeasts in grape varieties of the São Francisco Valley.

Author

de Ponzzes-Gomes CM, de Mélo DL, Santana CA, Pereira GE, Mendonça MO, Gomes FC, Oliveira ES, Barbosa AM Jr, Trindade RC, and Rosa CA

Subjects
Brazil, Colony Count, Microbial, DNA, Fungal chemistry, DNA, Fungal genetics, DNA, Ribosomal chemistry, DNA, Ribosomal genetics, Mycological Typing Techniques, Polymorphism, Restriction Fragment Length, RNA, Ribosomal genetics, Sequence Analysis, DNA, Yeasts genetics, Biodiversity, Vitis microbiology, Yeasts classification, Yeasts isolation & purification
Abstract

The aims of this work was to characterise indigenous Saccharomyces cerevisiae strains in the naturally fermented juice of grape varieties Cabernet Sauvignon, Grenache, Tempranillo, Sauvignon Blanc and Verdejo used in the São Francisco River Valley, northeastern Brazil. In this study, 155 S. cerevisiae and 60 non-Saccharomyces yeasts were isolated and identified using physiological tests and sequencing of the D1/D2 domains of the large subunit of the rRNA gene. Among the non-Saccharomyces species, Rhodotorula mucilaginosa was the most common species, followed by Pichia kudriavzevii, Candida parapsilosis, Meyerozyma guilliermondii, Wickerhamomyces anomalus, Kloeckera apis, P. manshurica, C. orthopsilosis and C. zemplinina. The population counts of these yeasts ranged among 1.0 to 19 × 10(5) cfu/mL. A total of 155 isolates of S. cerevisiae were compared by mitochondrial DNA restriction analysis, and five molecular mitochondrial DNA restriction profiles were detected. Indigenous strains of S. cerevisiae isolated from grapes of the São Francisco Valley can be further tested as potential starters for wine production.

Published
2014
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