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Articles by M. Lovato
Total Records ( 2 ) for M. Lovato
  A.R. Reginatto , A. Menconi , A. Londero , M. Lovato , A. Pires Rosa , S. Shivaramaiah , A.D. Wolfenden , W.E. Huff , G.R. Huff , N.C. Rath , A.M. Donoghue , B.M. Hargis and G. Tellez
  The objective of this study was to evaluate the effects of 0.2% dietary Aspergillus Meal (AM) on performance and bone parameters of neonatal turkey poults. A total of 200 day-of-hatch turkey poults were used for this experiment. Two dietary treatments, similar in energy and protein content differing only by the addition of 0.2% AM, were used. Poults were divided into 2 treatment groups with 25 birds per treatment and four replicates each. Group 1 received a basal non medicated control diet and group 2 received dietary AM. At the end of 30 d, poults were weighed, euthanized and tibias were collected to evaluate bone quality using an Instron shear press machine and bone parameters such as tibia weight, diameter, ash, calcium and phosphorus assays. Samples of distal ileum were collected and the content subjected to protein and energy analysis. Poults fed with dietary AM had a significant improvement in BW and feed conversion ratios (p<0.05). Distal ileum content showed significantly less concentration of energy and protein when compared with the poults receiving control diet. Tibia weight, diameter, breaking strength, ash, calcium and phosphorus were significantly higher in poults that received dietary AM prebiotic. These results suggest that the increase in performance and bone parameters in neonatal turkey poults fed with 0.2% AM, is improved upon feeding Aspergillus niger mycelium prebiotic.
  F.L. Gazoni , F.C. Adorno , M. Lovato , P. Dilkin , S. Hermes , P.R. Magro Junior , P. Santana Pacheco , M. Dalmagro , M. Renan Felin , X. Hernandez-Velasco and G. Tellez
  The aim of this study was to assess the correlation between lesions caused by Eimeria and the prevalence of clinical and subclinical coccidiosis and other gastrointestinal disorders among broilers reared in Brazil from 2012 to 2014. Intestinal health was evaluated in 5,528 broilers from 82 poultry houses in Brazil in two phases: 1 (12 to 21 days) and 2 (22 to 40 days). Intestinal aspects, lesion scoring and oocyst count of E. maxima in the intestinal mucosa were analyzed. E. acervulina was the most prevalent (mean of 13.5%) species in both rearing phases followed by E. maxima (6.75%) and E. tenella (4.35%). There was a positive correlation of E. acervulina (p = 0.05) with thin intestinal walls and abnormal intestinal tonus in phases 1 and 2, as well as with ingestion of contaminated litter in phase 2. E. maxima showed a positive correlation (p = 0.05) with excess mucus, thickening or thinning of the intestinal walls in phase 1 and cell desquamation, excess fluid and Turkish towel appearance in phase 2. E. tenella showed a positive correlation (p = 0.05) with excess fluid in phases 1 and 2 and with thickening of the intestinal walls and lesions caused by E. maxima in phase 2. The microscopic detection of E. maxima (mean of 23.8%) was correlated (p = 0.05) with factors that negatively affect intestinal health. Subclinical coccidiosis affected 64.45% more broilers in phase 2 than in phase 1.
 
 
 
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