Navegando por Autor "Véras, Antonia Sherlânea Chaves"

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Balanço e eficiência de utilização de compostos nitrogenados em pequenos ruminantes alimentados com resíduo da indústria de doces/sucos em substituição ao milho
(2021-12-03) Carone, Guilherme Morais; Véras, Antonia Sherlânea Chaves; http://lattes.cnpq.br/0074248045711399; http://lattes.cnpq.br/8358713370948321
Goats and sheep breeding are extremely important activities for Brazil’s Northeastern region, because it is where most of these animal are. Being important not only for maintaining the rural population, but also being their main source of income. The nitrogen balance is the difference between the amount of nitrogen ingested and excreted via feces and urine. The evaluation of the nitrogen utilization is an important information to base the discussion about nutritional requirements for maintenance and production. The experimental design was a double latin square 4 x 4, each one composed by one species. The experiment lasted for 88 days (four periods of 22 days each), being each of them composed by 14 days of adaption to the diet and eight days of data collect. For this experiment there were used four male goats and four male sheep, all of them were castrated and had a rumen fistula. Their average initial weight was 70,1 kg ± 0,51 e 63,5 kg ± 1,08, for sheep and goats, respectively. The animals were fed twice a day in form of complete ration at 8 a.m. and 4 p.m., adjusted daily in function of the animal’s intake with a margin of 10 and 15% of leftovers. The samples of diets and leftovers were pre-dried in a forced ventilation oven at a temperature of 55 ± 5 ºC, for 72 hours; subsequently, they were ground in a 1 mm sieve strainer, for analysis regarding the dry matter and nitrogen contents. Variables were evaluated using analysis of variance and regression using the SAS PROC MIXED. All diets had a positive nitrogen balance, which indicates that the replacement of corn by RID did not significantly influence nitrogen digestion and the diets met the N requirements. It is noted that there was a significant difference (P < 0.05) in N intake and the amount of N in feces between species, being higher in sheep. The concentration of N-Ureic in blood plasma was influenced (P < 0.05) by the treatment, with a decreasing linear effect with the replacement of corn by the mixture of RID + FGM.
Glicerina bruta na dieta de caprinos confinados: características de carcaça e de perna
(2019-02-01) Cordeiro, Eduardo Henrique Araújo; Véras, Antonia Sherlânea Chaves; http://lattes.cnpq.br/0074248045711399; http://lattes.cnpq.br/9903022769655568
Goat farming is a widespread activity in the Brazilian semi-arid region. The goat has great adaptation to the climate of this region, which suffers with irregularity in the rains, damaging the production of forage resources. The practice of confinement is an option of the producer to minimize food shortages, implying higher food costs. With increasing supply, crude glycerin (GB) becomes an alternative ingredient in the diet formulation of these animals. The objective of this study was to evaluate the carcass and leg characteristics of goats confined when fed with different levels of crude glycerin (0, 6, 12 and 18%) in the diet. A total of 40 goats were used, with no defined racial pattern, with a mean initial weight of 19.52 ± 2.35 kg, divided into four treatments with 10 replicates, using a completely randomized design. In 58 days of evaluation, the consumption and leftovers of these animals were recorded daily, and food samples and leftovers were collected for bromatological analysis to determine dry matter intake (DMI). At the end of the experimental period, slaughtering was carried out to determine the carcass and leg characteristics of the animals. The content of the gastrointestinal tract increased according to higher levels of GB. The empty body weights; hot and cold carcass weight and their yield; the loin eye areas; and the weights of the reconstituted leg and respective muscles and bones, decreased linearly. The inclusion of GB with low glycerol (63.06%) in up to 18% in DM in the goat diet compromises the main characteristics of the carcass and leg of the animals.
Predição da composição física e química da carcaça por meio da perna em ovinos Santa Inês
(2020-10-30) Souza, Elder Bruno de; Véras, Antonia Sherlânea Chaves; http://lattes.cnpq.br/0074248045711399; http://lattes.cnpq.br/1503874613747770
The objective of the present work was to evaluate whether the physical and chemical compositions of the leg cut can predict the physical and chemical compositions of the Santa Inês sheep carcass and generate simple linear equations for the prediction of these components in the carcass. 42 male Santa Inês lambs were used, un-castrated, with BW 19.48 kg ± 1.86 kg, and aged between 6 and 7 months, housed in individual pens provided with feeders and drinkers, and fed with a roughage:concentrate ratio of 50:50 in diet. After 14 days of adaptation of the animals to management and diet, four animals were slaughtered, and the others after 63 experimental days. Before slaughtering, all animals were weighed after fasting solids for 16 hours to obtain body weight at slaughter (SBW). After slaughter and obtaining the carcass, it was cooled to 4 ° C for 24 hours, for later obtaining the cold carcass weight (CCW). In a refrigerated environment, the carcasses were divided in the dorsal midline to obtain two half carcasses, sectioning the left half carcass in the meat cuts neck, palette, rib, saw, loin and leg that were weighed, placed in plastic bags, vacuum packed and frozen for further dissection, removed from the freezer and thawed in a refrigerator at 4 ° C. The dissection aimed to separate and quantify (g) the physical components of muscle, fat, bones and other tissues. The physical composition of the half carcass was obtained by adding the physical components of the leg and the rest of the carcass. The correlations between the physical and chemical components of the reconstituted carcass and the respective physical and chemical compositions of the leg were evaluated. The criteria adopted for the classification of the correlation coefficients (r) were strong (r> 70%), moderate (30% < r < 70) and weak <30%. The correlated data (P <0.05) were used to propose parameters of simple linear equations to predict the physical and chemical components of Santa Inês sheep carcass from these constituents in the leg section. There was a moderate to strong correlation between the tissue and chemical components of the cut leg and their respective components in the carcass. Simple linear equations were proposed to predict these components in the carcass. The physical and chemical composition of Santa Inês sheep carcass can be predicted by means of the physical and chemical composition of the leg.
Produtividade e valor nutritivo de cultivares de capim elefante (Pennisetum purpureum Schum.) submetidas a diferentes sistemas de corte
(1994) Véras, Antonia Sherlânea Chaves; Paz, Luiz Gonzaga da
O experimento foi conduzido no Departamento de Zootecnia da Universidade Federal Rural de Pernambuco, Recife, no período de 20.03 a 26.10.91, com o objetivo de avaliar a produtividade e o valor nutritivo de 4 cultivares de capim elefante (Pennisetum purpureum Schum.), submetidas a diferentes sistemas de corte. O delineamento experimental utilizado foi o de blocos ao acaso com parcelas subdivididas e três repetições, onde as cultivares: Mercker, Kizozi, Roxo de Botucatu e Cameroon constituíram os tratamentos primários e os sistemas de corte : parte superior, parte inferior e planta inteira, os tratamentos secundários. O corte fracionado foi efetuado entre 90 e 92 dias de rebrota, enquanto que o da planta inteira foi efetuado aos 126 dias após o corte parcelado. Maior produção de matéria seca ocorreu no corte da planta inteira, onde a cultivar Roxo de Botucatu (19,47 t/ha) superou as demais. As produções médias de proteína bruta da parte superior (0,65 t/ha) da planta inteira (0,67 t/ha) não diferiram estatisticamente entre si, entretanto foram superiores aos resultados obtidos para a parte inferior (0,33 t/ha). Os teores médios mais elevados dos parâmetros: proteína bruta (10,63%) extrato etéreo (2,49%) e resíduo mineral (12,25%) e mais os de fibra bruta (33,85%) e extrato não nitrogenado (40,79%), ocorreram nos cortes da parte superior. Quanto à digestibilidade "in vitro" da matéria seca, não houve diferença significativa, embora a parte superior da cultivar Kizozi tenha sido a mais digestível (53,57%) Os resultados Indicam que o corte fracionado do capim elefante aos 90 dias permite otimizar produtividade e valor nutritivo de uma capineira.
Relatório de Estágio Supervisionado Obrigatório
(2021-03-04) Silva, Dijaina Ferreira da; Véras, Antonia Sherlânea Chaves; http://lattes.cnpq.br/0074248045711399; http://lattes.cnpq.br/7458404797378748
Relatório De Estágio Supervisionado Obrigatório
(2019-02-01) Cordeiro, Eduardo Henrique Araújo; Véras, Antonia Sherlânea Chaves; http://lattes.cnpq.br/0074248045711399; http://lattes.cnpq.br/9903022769655568
Relatório de Estágio Supervisionado Obrigatório
(2019-02-01) Silva, Paulo Sérgio da; Véras, Antonia Sherlânea Chaves; http://lattes.cnpq.br/0074248045711399; http://lattes.cnpq.br/5300952184603589
Relatório De Estágio Supervisionado Obrigatório
(2019-01-28) Silva, Marisol Ramos da; Véras, Antonia Sherlânea Chaves; http://lattes.cnpq.br/0074248045711399; http://lattes.cnpq.br/1463080663779484
Resíduo da indústria de doces em associação à Protenose® na alimentação de pequenos ruminantes fistulados: consumo e digestibilidade
(2019-01-18) Silva, Dijaina Ferreira da; Véras, Antonia Sherlânea Chaves; Almeida, Marina de Paula; http://lattes.cnpq.br/7584834665120683; http://lattes.cnpq.br/0074248045711399; http://lattes.cnpq.br/7458404797378748
The objective of this study was to evaluate the effect of different levels of residues from the candy industry in substitution of corn for the feeding of small ruminants, on consumption and apparent digestibility of dry matter and its components. The experiment was conducted at the Universidade Federal Rural de Pernambuco (UFRPE). Four male sheep and four male goats were studied, castrated and fistulated in the rumen, with average initial body weight of 71.9 kg and 64.85 kg, respectively, distributed in two contemporary 4x4 Latin squares. The experiment had a duration of 76 days, with four periods of 19 days each, being 12 days for adaptation to the experimental conditions and 7 days for data collection and sampling. The experimental diets were composed by Tifton 85 hay as forage; grounded corn, soybean bran, residues from the industries of candy, gum, powdered juice and derivatives in combination with corn gluten (Protenose ®) and mineral blend, as concentrated. The treatments consisted of inclusion of residues from the candy industry at levels of 0, 33, 66 and 100%. The variables were evaluated by analysis of variance and regression, using PROC MIXED and PROC REG of the SAS. Consumption of dry matter (DM), mineral matter (MM), organic matter (OM), crude protein (CP), neutral detergent fiber (NDF), total carbohydrates (TCHO) and total digestible nutrients (TDN) were not influenced (P> 0.05) by the inclusion levels of residues from the candy factory in the diet, presenting averages of 874.89, 59.280, 815.61, 113.49, 345.20, 685.21 and 660.51g/day, respectively. In contrast, there was a significant effect on ethereal extract (EE) and non-fibrous carbohydrates (CNF) intake. The intake of EE was influenced (P <0.05) by dietary treatments, decreasing linearly as the sweet residue content increased. There was a quadratic effect on CNF intake as corn substitution was performed. Increasing levels of candy residues in the diets of small ruminants did not have an effect on the apparent digestibility of DM, OM, NDF and TCHO, with average values of 782.8, 792.2, 650.9 and 795.3g/kg, respectively. However, they favored an increasing linear effect on the apparent digestibility of CP and CNF and a linear decreasing effect on the apparent EE digestibility. Residues from the candy industry in association with Protenose® may replace up to 100% based on the dry matter of the diet of small ruminants, without adversely affecting the intake and apparent digestibility of the nutrients.
Validação de equações de predição da composição química da carcaça de ovinos Santa Inês
(2021-12-03) Soares, Raquel Cristina Carvalho; Véras, Antonia Sherlânea Chaves; http://lattes.cnpq.br/0074248045711399; http://lattes.cnpq.br/1279928414920644
With the growth of sheep farming in Brazil, further studies in the field of nutrition are needed in search of better carcasses with a view to greater meat production and better quality meat. From this premise, equations were proposed to estimate carcass chemical composition in ruminants. However, one of the most widely used methods is the section between the 9th and 11th ribs, which was initially tested on taurine, and has also been evaluated for predicting the chemical composition of the sheep carcass. In one study, equations were proposed to predict the chemical composition of the carcass of sheep using data from different experiments conducted, using among other independent variables the section of the 9th and 11th ribs. However, these equations need to be validated. Therefore, the objective was to evaluate the prediction equations of: water; protein (PB); ether extract (EE) and energy (EN) in the carcass of Santa Inês sheep. The carcass water, EE and EN contents were satisfactorily estimated, proving to be accurate and accurate models. However, to estimate the CP contents, the model was accurate, but not very precise, needing adjustments to better estimate the carcass protein of Santa Inês non-castrated male sheep.