cometadata/datacite-titles-descriptions-related-identifiers huggingface dataset:
DOI: 10.6084/m9.figshare.6208154
title: Evaluation of serum levels of thyroid hormones in macaws (Ara spp.) by chemiluminescence

description: ABSTRACT This paper investigated the efficiency of chemiluminescence in obtaining serum concentrations of thyroid hormones in twenty-three macaws kept in captivity, from two sexes [male (n=10) and female (n=12)] and two species [Ara ararauna (n=12) and Ara chloropterus (n=11)]. Reference intervals for the hormones sampled were indicated and the effects of species and sex on these values were analyzed. Concentration values of total T4, free T4, free T3 and TSH varied respectively from 0,3 to 2,5µg/dL (average =0,94µg/dL), 0,11 - 0,46ɳg/dL (average = 0,28ɳg/dL), 3,59 - 1,46pg/mL (average =2,42pg/mL), and 0,01 - 0,12µUI/mL (average= 0,04µUI/mL). There was interaction between species and sex (P&lt;0.05) on total T4 concentrations. Males had higher values than females in Ara ararauna, while females had higher values than males in Ara chloropterus. Sex effect was not observed (P&gt;0.05) for concentrations of free T4, free T3 and TSH, but species effect was observed (P&lt;0.05) for free T3 concentrations. In this case, concentrations of free T3 were lower in Ara ararauna than in Ara chloropterus. The results of this study suggest that it is possible to measure serum concentration of thyroid hormones in macaws by means of chemiluminescence method, as long as relevant variations between different species and sexes are taken into account.
DOI: 10.6084/m9.figshare.6208154.v1
title: Evaluation of serum levels of thyroid hormones in macaws (Ara spp.) by chemiluminescence

description: ABSTRACT This paper investigated the efficiency of chemiluminescence in obtaining serum concentrations of thyroid hormones in twenty-three macaws kept in captivity, from two sexes [male (n=10) and female (n=12)] and two species [Ara ararauna (n=12) and Ara chloropterus (n=11)]. Reference intervals for the hormones sampled were indicated and the effects of species and sex on these values were analyzed. Concentration values of total T4, free T4, free T3 and TSH varied respectively from 0,3 to 2,5µg/dL (average =0,94µg/dL), 0,11 - 0,46ɳg/dL (average = 0,28ɳg/dL), 3,59 - 1,46pg/mL (average =2,42pg/mL), and 0,01 - 0,12µUI/mL (average= 0,04µUI/mL). There was interaction between species and sex (P&lt;0.05) on total T4 concentrations. Males had higher values than females in Ara ararauna, while females had higher values than males in Ara chloropterus. Sex effect was not observed (P&gt;0.05) for concentrations of free T4, free T3 and TSH, but species effect was observed (P&lt;0.05) for free T3 concentrations. In this case, concentrations of free T3 were lower in Ara ararauna than in Ara chloropterus. The results of this study suggest that it is possible to measure serum concentration of thyroid hormones in macaws by means of chemiluminescence method, as long as relevant variations between different species and sexes are taken into account.
DOI: 10.6084/m9.figshare.6208148
title: Accuracy of methods to estimate potential acidity and lime requirement in soils of west region of Santa Catarina

description: ABSTRACT: The objective of this study was to compare two methods of evaluation of potencial acidity (H+Al) and two methods to estimate liming requirement (LR) for soils from the west region of Santa Catarina State, Brazil. Fourteen soils were incubated with 7 lime rates for 120 days, obtaining the real values of H+Al at pH 7.0 and LR. These values were used as reference to evaluate the accuracy of two H+Al estimating methods: SMP buffer and calcium acetate at pH 7.0, and to evaluate the accuracy of two LR methods: base saturation (BS) and SMP index. On average, H+Al was underestimated in 6 and 40% by SMP and calcium acetate methods, respectively, especially in soils with high buffer capacity. The LR was underestimated in 20 and 30% by SMP index and BS, respectively. The SMP Index showed a better LR estimative than BS, especially in soils with high buffer capacity.
DOI: 10.6084/m9.figshare.6208148.v1
title: Accuracy of methods to estimate potential acidity and lime requirement in soils of west region of Santa Catarina

description: ABSTRACT: The objective of this study was to compare two methods of evaluation of potencial acidity (H+Al) and two methods to estimate liming requirement (LR) for soils from the west region of Santa Catarina State, Brazil. Fourteen soils were incubated with 7 lime rates for 120 days, obtaining the real values of H+Al at pH 7.0 and LR. These values were used as reference to evaluate the accuracy of two H+Al estimating methods: SMP buffer and calcium acetate at pH 7.0, and to evaluate the accuracy of two LR methods: base saturation (BS) and SMP index. On average, H+Al was underestimated in 6 and 40% by SMP and calcium acetate methods, respectively, especially in soils with high buffer capacity. The LR was underestimated in 20 and 30% by SMP index and BS, respectively. The SMP Index showed a better LR estimative than BS, especially in soils with high buffer capacity.
DOI: 10.6084/m9.figshare.6208145
title: Economic aspects of the aerial part of in natura cassava (Manihot esculenta Crantz) for the nutrition of confined and semi-confined lambs

description: ABSTRACT The scope of this study was to evaluate the inclusion of raw cassava aerial parts in the diet of lambs in partial substitution of rations, in order to reduce production costs. The experiment was conducted at Sheep Technology Centre (CTO) in Campo Grande City, MS. A sample of 56 lambs from Pantaneiro genetic group was used, 28 males and 28 females, average weight of 18.84kg±2.02kg. The inclusion of PAM decreased the costs by 31.29% for the same category of animal. Among the production systems the semi-feedlot, showed the highest average profitability of 6.4% and a return of 7.99%, compared to the feedlot system, which obtained 0.04% 0.87% profitability and return. In conclusion, the inclusion of the aerial part of cassava increases the economic efficiency of production systems without affecting the development of finishing animals.
DOI: 10.6084/m9.figshare.6208145.v1
title: Economic aspects of the aerial part of in natura cassava (Manihot esculenta Crantz) for the nutrition of confined and semi-confined lambs

description: ABSTRACT The scope of this study was to evaluate the inclusion of raw cassava aerial parts in the diet of lambs in partial substitution of rations, in order to reduce production costs. The experiment was conducted at Sheep Technology Centre (CTO) in Campo Grande City, MS. A sample of 56 lambs from Pantaneiro genetic group was used, 28 males and 28 females, average weight of 18.84kg±2.02kg. The inclusion of PAM decreased the costs by 31.29% for the same category of animal. Among the production systems the semi-feedlot, showed the highest average profitability of 6.4% and a return of 7.99%, compared to the feedlot system, which obtained 0.04% 0.87% profitability and return. In conclusion, the inclusion of the aerial part of cassava increases the economic efficiency of production systems without affecting the development of finishing animals.
DOI: 10.6084/m9.figshare.6208142
title: Frequency Analysis of Rainfall Data Observed in 2011 and 2013 in Serrana Region, Rio de Janeiro State

description: Abstract The rain that fell in the Serrana region in January 2011 caused what was considered to be the worst disaster in the history of Brazil, with more than 900 deaths. On the other hand, the rain that fell in March 2013, which was a larger total, gave rise to 33 deaths. The present study sought to compare these two events, using hour-by-hour data from the warning system of the State Environmental Institute and the historical daily records of the National Water Agency. The daily data were converted using a specific disaggregation factor and were fitted to Gumbel’s probability distribution model. In Nova Friburgo, the recurrence interval for the 2011 event was 150 years. For Petrópolis and Teresópolis, the recurrence intervals for the 2013 event were 135 and 115 years, respectively. Despite recurrence intervals of the same order of magnitude, the disasters that were associated with these events had different effects in the municipalities studied. It is recommended that assessments on the criticality of a disaster should not be based solely on the precipitation, given that factors such as relief, soil moisture content, land occupation in areas at risk and previous occurrences of landslides may be determinants in the analysis.
DOI: 10.6084/m9.figshare.6208142.v1
title: Frequency Analysis of Rainfall Data Observed in 2011 and 2013 in Serrana Region, Rio de Janeiro State

description: Abstract The rain that fell in the Serrana region in January 2011 caused what was considered to be the worst disaster in the history of Brazil, with more than 900 deaths. On the other hand, the rain that fell in March 2013, which was a larger total, gave rise to 33 deaths. The present study sought to compare these two events, using hour-by-hour data from the warning system of the State Environmental Institute and the historical daily records of the National Water Agency. The daily data were converted using a specific disaggregation factor and were fitted to Gumbel’s probability distribution model. In Nova Friburgo, the recurrence interval for the 2011 event was 150 years. For Petrópolis and Teresópolis, the recurrence intervals for the 2013 event were 135 and 115 years, respectively. Despite recurrence intervals of the same order of magnitude, the disasters that were associated with these events had different effects in the municipalities studied. It is recommended that assessments on the criticality of a disaster should not be based solely on the precipitation, given that factors such as relief, soil moisture content, land occupation in areas at risk and previous occurrences of landslides may be determinants in the analysis.
DOI: 10.6084/m9.figshare.6208139
title: Effects of Dietary Zinc Levels on the Growth Performance, Organ Zinc Content, and Zinc Retention in Broiler Chickens

description: ABSTRACT The objective of this study was to investigate the optimal zinc (Zn) requirement of broiler chickens based on Zn retention. On the day of hatch, 350 male Ross 308 broilers were randomly assigned to seven treatments with five replicates of ten birds each. Zinc was supplemented as ZnSO4·7H2O at 0, 20, 40, 60, 80, 100, or 120 mg/kg in the starter diet (fed from 1 to 21 d of age) and at 0, 16, 32, 48, 64, 80, or 96 mg/kg in the grower diet (fed from 22 to 42 d of age). The analyzed Zn levels were 34.98 and 27.57 mg/kg in the basal starter and grower diets, respectively. Supplemental Zn levels did not influence body weight gain, feed intake, feed conversion ratio, or liver Zn content of broilers at 21 and 42 d of age (p&gt;0.05). Tibia ash Zn content of 21-d-old broilers increased when Zn supplementation level increased from 0 to 40 mg/kg Zn in (p&lt;0.05). The highest breast muscle Zn content in 42-d-old broilers was observed when 100 and 80 mg Zn/kg was supplemented in the starter and grower diets, respectively. Fecal Zn content, Zn intake, Zn excretion, and Zn retention of 31- to 33-d-old broilers linearly increased with supplemental Zn levels (p&lt;0.05). Zinc retention values, calculated as the difference between Zn intake and Zn excretion, were negative, about zero, and positive when starter/grower diets were supplemented with 0/0 and 20/16, 40/32, and 60/48 and 120/96 mg/kg, respectively. These results indicate that supplementing 40 and 32 mg Zn/kg in starter and grower diets, respectively, promote the growth performance of broiler chickens, while reduce Zn excretion in the environment.
DOI: 10.6084/m9.figshare.6208139.v1
title: Effects of Dietary Zinc Levels on the Growth Performance, Organ Zinc Content, and Zinc Retention in Broiler Chickens

description: ABSTRACT The objective of this study was to investigate the optimal zinc (Zn) requirement of broiler chickens based on Zn retention. On the day of hatch, 350 male Ross 308 broilers were randomly assigned to seven treatments with five replicates of ten birds each. Zinc was supplemented as ZnSO4·7H2O at 0, 20, 40, 60, 80, 100, or 120 mg/kg in the starter diet (fed from 1 to 21 d of age) and at 0, 16, 32, 48, 64, 80, or 96 mg/kg in the grower diet (fed from 22 to 42 d of age). The analyzed Zn levels were 34.98 and 27.57 mg/kg in the basal starter and grower diets, respectively. Supplemental Zn levels did not influence body weight gain, feed intake, feed conversion ratio, or liver Zn content of broilers at 21 and 42 d of age (p&gt;0.05). Tibia ash Zn content of 21-d-old broilers increased when Zn supplementation level increased from 0 to 40 mg/kg Zn in (p&lt;0.05). The highest breast muscle Zn content in 42-d-old broilers was observed when 100 and 80 mg Zn/kg was supplemented in the starter and grower diets, respectively. Fecal Zn content, Zn intake, Zn excretion, and Zn retention of 31- to 33-d-old broilers linearly increased with supplemental Zn levels (p&lt;0.05). Zinc retention values, calculated as the difference between Zn intake and Zn excretion, were negative, about zero, and positive when starter/grower diets were supplemented with 0/0 and 20/16, 40/32, and 60/48 and 120/96 mg/kg, respectively. These results indicate that supplementing 40 and 32 mg Zn/kg in starter and grower diets, respectively, promote the growth performance of broiler chickens, while reduce Zn excretion in the environment.
DOI: 10.6084/m9.figshare.6208133
title: Characterization of production factors and use of mathematical models to estimate their influence on daily feed intake and feed conversion ratio of grow-finishing pigs

description: ABSTRACT The aim of this study was to identify and quantify the production factors present in growing and finishing (GF) pig farms partners of a cooperative in Paraná State, Brazil, and to determine the influence of these factors on daily feed intake (DFI) and the feed conversion ratio (FCR). From 2010 to 2013, the historical production of 538 batches of fattening pigs in 175 commercial farms were analyzed, in an amount approximately 404,000 animals. A total of 40 production factors regarding the management, sanity, plant and equipment, nutrition, genetics and environment were taken into consideration. Pens with less than 20 pigs resulted in a reduction in DFI (P&lt;0.05) and an improved FCR (P&lt;0.01). In pens that used linear dump feeders, the DFI was less (P&lt;0.01) and the FCR was better (P=0.001). Pens with shallow pools had higher DFI (P&lt;0.01) and worse FCR (P&lt;0.01). Batches of females had lower DFI (P&lt;0.001) and better FCR (P&lt;0.001) compared to mixed-sex batches. The factors used for the final models explained the 25% and 46% of the total variance for the DFI and FCR, respectively. The models consist in effective aid instruments for technical decision making in the swine industry.
DOI: 10.6084/m9.figshare.6208133.v1
title: Characterization of production factors and use of mathematical models to estimate their influence on daily feed intake and feed conversion ratio of grow-finishing pigs

description: ABSTRACT The aim of this study was to identify and quantify the production factors present in growing and finishing (GF) pig farms partners of a cooperative in Paraná State, Brazil, and to determine the influence of these factors on daily feed intake (DFI) and the feed conversion ratio (FCR). From 2010 to 2013, the historical production of 538 batches of fattening pigs in 175 commercial farms were analyzed, in an amount approximately 404,000 animals. A total of 40 production factors regarding the management, sanity, plant and equipment, nutrition, genetics and environment were taken into consideration. Pens with less than 20 pigs resulted in a reduction in DFI (P&lt;0.05) and an improved FCR (P&lt;0.01). In pens that used linear dump feeders, the DFI was less (P&lt;0.01) and the FCR was better (P=0.001). Pens with shallow pools had higher DFI (P&lt;0.01) and worse FCR (P&lt;0.01). Batches of females had lower DFI (P&lt;0.001) and better FCR (P&lt;0.001) compared to mixed-sex batches. The factors used for the final models explained the 25% and 46% of the total variance for the DFI and FCR, respectively. The models consist in effective aid instruments for technical decision making in the swine industry.
DOI: 10.6084/m9.figshare.6208130
title: Dynamic Regression Model for Evaluating the Association Between Atmospheric Conditions and Deaths due to Respiratory Diseases in São Paulo, Brazil

description: Abstract The article reports the modeling of mortality due to respiratory diseases emanating from atmospheric conditions, capturing significant associations and verifying the ability of stochastic modeling to predict deaths arising from the relationship between weather conditions and air pollution. The statistical methods used in the analysis were cross-correlation and pre-whitening, in addition to dynamic regression modeling combining the dynamics of time series and the effect of explanatory variables. The results show there are significant associations between mortality and sulfur dioxide, air temperature, atmospheric pressure, relative humidity, and autoregressive structure. The cross-correlations captured significant lags between atmospheric variables and deaths, of two months for SO2 and relative humidity, eleven months for PM10, seven months for O3, and eight months for air temperature and the cross-correlation without lag with NO2. With CO variables, precipitation and atmospheric pressure, cross-correlations were not detected. Stochastic modeling showed that deaths due to respiratory diseases can be predicted from the combination of meteorological and air pollution variables, especially considering the existing trend and seasonality.
DOI: 10.6084/m9.figshare.6208130.v1
title: Dynamic Regression Model for Evaluating the Association Between Atmospheric Conditions and Deaths due to Respiratory Diseases in São Paulo, Brazil

description: Abstract The article reports the modeling of mortality due to respiratory diseases emanating from atmospheric conditions, capturing significant associations and verifying the ability of stochastic modeling to predict deaths arising from the relationship between weather conditions and air pollution. The statistical methods used in the analysis were cross-correlation and pre-whitening, in addition to dynamic regression modeling combining the dynamics of time series and the effect of explanatory variables. The results show there are significant associations between mortality and sulfur dioxide, air temperature, atmospheric pressure, relative humidity, and autoregressive structure. The cross-correlations captured significant lags between atmospheric variables and deaths, of two months for SO2 and relative humidity, eleven months for PM10, seven months for O3, and eight months for air temperature and the cross-correlation without lag with NO2. With CO variables, precipitation and atmospheric pressure, cross-correlations were not detected. Stochastic modeling showed that deaths due to respiratory diseases can be predicted from the combination of meteorological and air pollution variables, especially considering the existing trend and seasonality.
DOI: 10.6084/m9.figshare.6208127
title: Prevalence evaluation and classification of bifid mandibular canals in CBCT exams in different facial types

description: Abstract Objetive The aim of this study is to establish the prevalence and classification of mandibular canal alterations using cone beam computed tomography (CBCT) in different facial types. This research was submitted and approved by the research ethics committee, registration number 2.065.839. Material and method The sample consisted of 90 CBCTs from the São Leopoldo Mandic Dental School database (Campinas-SP), divided into three groups according to brachycephalic, dolichocephalic and mesocephalic facial types. Result Of the 90 patients, 23 presented bifid mandible canals (25.6%), of which 60.9% were in males and 39.1% in females. In 39.1%, the canal bifurcation occurred towards the retromolar region (class D), 21.7% had a trajectory to an alveolar or upper direction (class C) and 13.1% were classified as C-E. For the remaining classifications (A, E, F and A-E), the frequencies were in the range of 8.7% to 4.3%. None of the 23 cases of mandibular canal bifurcation was classified as B (mesial direction). Conclusion According to the results obtained from this study, the prevalence of bifid mandibular canals was found to be 25.6%, with class D being the most prevalent for the retromolar region and the highest occurrence was unilaterally on the left side. When evaluating the occurrence of bifid mandibular canals in relation to facial types, brachycephalic patients were the most affected.
DOI: 10.6084/m9.figshare.6208127.v1
title: Prevalence evaluation and classification of bifid mandibular canals in CBCT exams in different facial types

description: Abstract Objetive The aim of this study is to establish the prevalence and classification of mandibular canal alterations using cone beam computed tomography (CBCT) in different facial types. This research was submitted and approved by the research ethics committee, registration number 2.065.839. Material and method The sample consisted of 90 CBCTs from the São Leopoldo Mandic Dental School database (Campinas-SP), divided into three groups according to brachycephalic, dolichocephalic and mesocephalic facial types. Result Of the 90 patients, 23 presented bifid mandible canals (25.6%), of which 60.9% were in males and 39.1% in females. In 39.1%, the canal bifurcation occurred towards the retromolar region (class D), 21.7% had a trajectory to an alveolar or upper direction (class C) and 13.1% were classified as C-E. For the remaining classifications (A, E, F and A-E), the frequencies were in the range of 8.7% to 4.3%. None of the 23 cases of mandibular canal bifurcation was classified as B (mesial direction). Conclusion According to the results obtained from this study, the prevalence of bifid mandibular canals was found to be 25.6%, with class D being the most prevalent for the retromolar region and the highest occurrence was unilaterally on the left side. When evaluating the occurrence of bifid mandibular canals in relation to facial types, brachycephalic patients were the most affected.
DOI: 10.6084/m9.figshare.6208121
title: FOURIER TRANSFORM INFRARED SPECTROSCOPY, THERMOGRAVIMETRIC ANALYSIS, SCANNING ELECTRON MICROSCOPY AS SUPPORTING TOOLS IN QUALITY CONTROL OF ANTIPARASITICS

description: This study shows that Fourier transform infrared (FTIR) spectroscopy, thermogravimetric analysis (TGA), and scanning electron microscopy (SEM) can be used as supporting tools for the evaluation of the quality of antiparasitics. In addition, an analytical methodology was developed and validated to quantify simultaneously thiabendazole (TB), febantel (FB), toltrazuril (TZ), and fluazuron (FZ) in bulk and in their veterinary pharmaceutical formulations using reverse phase high performance liquid chromatography (RP-HPLC). In order to investigate stability, pharmaceuticals were submitted to degradation processes under different conditions, such as recommended by the International Conference on Harmonization. The chromatographic conditions were optimized and the validation parameters, such as selectivity, linearity, detection limit, quantification limit, precision, accuracy, and robustness showed results within acceptable standards. All analytes were stable in the stability assays in acid and basic media and thermal conditions, except in the oxidation process, which presented two degradation peaks. Physicochemical characterization by TGA, FTIR, and SEM of raw materials of TB, FB, TZ, and FZ provided information about the authenticity of the analytes, proving the wide applicability of the instrumental techniques. The RP-HPLC proposed method was found to be accurate, precise, and reproducible and can in addition be used for routine quality control analysis.