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Évelyn Silva de Melo Soares

Universidade Federal de Mato Grosso do Sul

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Luís Carlos Vinhas Ítavo

Universidade Federal de Mato Grosso do Sul

Camila Celeste Brandão Ferreira Ítavo

Universidade Federal de Mato Grosso do Sul

Thais Fernanda Farias de Souza Arco

Universidade Federal de Mato Grosso do Sul

Antônio Leandro Chaves Gurgel

Universidade Federal do Piauí

Priscila Bernardo de Andrade

Universidade Federal de Mato Grosso do Sul

C. de Godoy

Universidade Federal de Mato Grosso do Sul

Gleice Kelli Ayardes de Melo

Universidade Federal de Mato Grosso do Sul

Kedma Leonora Silva Monteiro Ferelli

Universidade Federal de Mato Grosso do Sul

Gelson dos Santos Difante

Universidade Federal de Mato Grosso do Sul

Aline Aparecida da Silva Miguel

Universidade Federal de Mato Grosso do Sul

Cooperative Institutions

Universidade Federal de Mato Grosso do Sul

Brazilian Agricultural Research Corporation

Universidade Estadual de Maringá

Universidade Católica Dom Bosco

Universidade Federal de Mato Grosso

ORCID

Universidade Estadual Paulista (Unesp)

Fundação de Estudo e Pesquisa em Medicina Veterinária e Zootecnia

Universidade do Estado de Santa Catarina

Universidade Federal de Viçosa

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OCORRÊNCIA, JULGAMENTO E DESTINO DE CARCAÇAS E ÓRGÃOS COM CISTICERCOSE BOVINA EM MATADOURO FRIGORÍFICO DO ESTADO DE SÃO PAULO, BRASIL

Marjorie Toledo Duarte Marina de Nadai Bonin Gomes Kênia de Fátima Carrijo Évelyn Silva de Melo Soares

A cisticercose bovina e a zoonose parasitaria mais recorrente em Matadouros-Frigorificos, sendo a causa preponderante para importantes perdas economicas decorrentes da condenacao de visceras e carcacas durante o abate. O objetivo deste trabalho foi determinar a ocorrencia de cisticercose e o destino de carcacas, orgaos e visceras dos bovinos que, na inspecao post-mortem , apresentaram lesoes patognomonicas em um Matadouro-Frigorifico, sob inspecao oficial, no Estado de Sao Paulo no periodo de janeiro de 2001 a junho de 2002. Todos os dados foram obtidos dos arquivos do Servico de Inspecao Oficial do estabelecimento. Foram diagnosticados a partir desses dados, que no ano de 2001 a prevalencia de cisticercose foi de 4,1%; sendo que o percentual de carcacas com cisticercose liberadas para consumo in natura foi de 2,54%; para o congelamento, de 1,56% e, aquelas destinadas a esterilizacao, 0,005%. De janeiro a junho de 2002, a prevalencia media de cisticercose foi de 3,54%; ja em relacao ao percentual de carcacas com cisticercose liberadas para consumo in natura foi 2,09%, congeladas 1,43%; esterilizadas pelo calor 0,01% e condenadas 0,02%. Dessa forma as altas taxas de cisticercose bovina encontradas, podem estar relacionadas com a proximidade dos animais aos grandes centros urbanos, o que ressalta a importância da inspecao sanitaria como medida de controle de varias doencas transmitidas pelo alimento, entre elas a cadeia do complexo teniase/cisticercose.

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Effects of pasture management and supplementation on the productive performance of recently lambed ewes

Tropical Animal Health and Production (2024)

Thais Fernanda Farias de Souza Arco Camila Celeste Brandão Ferreira Ítavo Luís Carlos Vinhas Ítavo Fernando de Almeida Borges Vanessa Zirondi Longhini

Domestic sheep reproduction

10.1007/s11250-024-03954-8

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Comparison of analytical methods for the fatty acid profile in ewes’ milk

PLoS ONE (2022)

Évelyn Silva de Melo Soares Camila Celeste Brandão Ferreira Ítavo Luís Carlos Vínhas Ítavo Geraldo Tadeu dos Santos Carlos Eduardo Domingues Nazário

Studies comparing methodologies for fatty acids are very important, since they can influence the quality and final quantification of the lipid fraction. Objective-to compare different extraction methods for total lipids and to evaluate the effect of these methodologies on the quantitative composition of fatty acids in milk of lactating ewes raised in tropical pastures. The methodologies used were simple direct transesterification, using the HPLC grade organic solvent n-hexane, Bligh; Dyer (cold extraction, extracting mixture proportions 5, 10, and 15 mL in a ratio of 2:1:1 (v/v/v) of chloroform-methanol-water). The fatty acid methyl esters were separated by gas chromatography coupled with a flame ionization detector (GC-FID). The results show that there was no significant difference (p <0.05) in the total lipid content between the extraction methods. However, the Bligh's method; Dyer obtained the best yield of lipids to be extracted from ewe's milk, since the volume with 15 mL of the extraction solution was able to identify 87% of the chromatographic peaks. It was also observed that ewe's milk has a higher percentage of palmitic, stearic and oleic fatty acids, with percentages of 20.1%, 15.5% and 33.1%, respectively. Therefore, an extraction mixture with a volume of 15 mL used in this study may be an alternative to perform the extraction of milk fat from high lactating ewes in tropical pastures as a routine method, as it expresses the best lipid content of this food.

Flame ionization detector

Stearic acid

Hexane

10.1371/journal.pone.0263071

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Antioxidant action of yerba mate on carcass and meat characteristics and fatty acid profile in meat and fat of lambs finished in tropical pastures

Tropical Animal Health and Production (2023)

Vinicius Roa Baerley Camila Celeste Brandão Ferreira Ítavo Luís Carlos Vínhas Ítavo Carlos Eduardo Domingues Nazário Marina de Nadai Bonin Gomes

Brachiaria

Palmitoleic acid

Linolenic acid

10.1007/s11250-023-03521-7

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Yerba mate (Ilex paraguariensis) as a source of antioxidants with soybean grain in supplementation of lactating ewes reared in tropical pastures

Tropical Animal Health and Production (2022)

Évelyn Silva de Melo Soares Camila Celeste Brandão Ferreira Ítavo Luís Carlos Vínhas Ítavo Carlos Eduardo Domingues Nazário Gleice Kelli Ayardes de Melo

Thiobarbituric acid

10.1007/s11250-022-03427-w

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Reproductive efficiency of ewe lambs kept on tropical pastures under different feeding systems

Arquivo Brasileiro de Medicina Veterinária e Zootecnia (2025)

Larissa Marques Higano Camila Celeste Brandão Ferreira Ítavo Luís Carlos Vinhas Ítavo Gleice Kelli Ayardes de Melo Gleice Kelli Ayardes de Melo

ABSTRACT The aim of this study was to analyze the productive and reproductive performance of lambs submitted to different forms of feed supplementation in the growth phase and breeding season. Twenty-eight Texel sheep aged between three and 12 months were used. The lambs were distributed in two treatments with protein-energy supplementation at levels 1.6 and 2.4% of body weight and reared on Brachiaria brizantha cv. Marandu. The performance was evaluated at the beginning of the experimental period and every 28 days until the end of the breeding season, the following data were observed: final body weight, average daily gain (ADG) and total weight gain (TWG). In the growth period, the lambs supplemented with 2.4% BW presented higher average daily gain, which resulted in higher total weight gain and final weight. Thus, the ewe lambs supplemented with 2.4% BW showed greater subcutaneous fat thickness in the growth phase. However, during growth the lambs supplemented with 1.6% of BW showed better body condition score than those supplemented with 2.4% BW. There was no effect of supplementation on the size of the reproductive organs of the lambs at the end of the growth phase and at the beginning of the reproductive season. The supplementation levels used affected the pregnancy rate of the lambs. The group that received 1.6% BW had a higher pregnancy rate than the group treated with 2.4% BW. Thus, it is concluded that supplementation with 1.6% BW was economically viable to promote weight gain, body condition score, and stimulate fertility rate for primiparous lambs in a 45-day reproductive season.

10.1590/1678-4162-13258

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Effects of supplementation on production and age anticipation at first mating of ewe lambs in tropical pastures

Tropical Animal Health and Production (2021)

Thais Fernanda Farias de Souza Arco Camila Celeste Brandão Ferreira Ítavo Luís Carlos Vinhas Ítavo María Inés Lênz Souza Alexandre Menezes Dias

Brachiaria

Texel

Completely randomized design

10.1007/s11250-021-02930-w

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Citations (6)

S1 file v1

Évelyn Silva de Melo Soares not provided Camila Celeste Brandão Ferreira Ítavo Luís Carlos Vinhas Ítavo Geraldo Tadeu dos Santos not provided Carlos Eduardo Domingues Nazário

Studies comparing methodologies for fatty acids are very important, since they can influence the quality and final quantification of the lipid fraction. Objective - to compare different extraction methods for total lipids and to evaluate the effect of these methodologies on the quantitative composition of fatty acids in milk of lactating ewes raised in tropical pastures. The methodologies used were simple direct transesterification, using the HPLC grade organic solvent n-hexane, Bligh; Dyer (cold extraction, extracting mixture proportions 5, 10, and 15 mL in a ratio of 2:1:1 (v/v/v) of chloroform-methanol-water). The fatty acid methyl esters were separated by gas chromatography coupled with a flame ionization detector (GC-FID). The results show that there was no significant difference (p <0.05) in the total lipid content between the extraction methods. However, the Bligh's method; Dyer obtained the best yield of lipids to be extracted from ewe's milk, since the volume with 15 mL of the extraction solution was able to identify 87% of the chromatographic peaks.

Flame ionization detector

Hexane

Fraction (chemistry)

10.17504/protocols.io.b3xsqpne

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Application of good milking practices: economic impacts and bovine raw milk quality

Multitemas (2019)

Évelyn Silva de Melo Soares Marjorie Toledo Duarte Kênia de Fátima Carrijo Marcela Rezende Costa

The aim of this study was to evaluate the effects of application of the good milking practices on economic aspects as well as on microbiological and sanitary characteristics of raw milk and bovine mammary gland of animals from Sidrolandia/MS farms. A questionnaire was applied to verify the utilization of good milking practices and milk samples of each property were collected from the expansion tanks to evaluate total bacteria and somatic cell counts as well as milk composition and frauds presence, before and after training the farms employees in good milking practices. The farms that adopted the measures of milking hygiene reduced the bacteria and somatic cell counts, what caused increase on milk quality, better mastitis control and greater bonus payment by the industry to the producers. Thus, incorporation of good milking practices promoted positive impacts on socio-economic aspects and milk quality.

Milking

Somatic Cell Count

Dairy industry

10.20435/multi.v24i56.1967

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TUBERCULOSE BOVINA EM UM MATADOURO FRIGORÍFICO DO ESTADO DE SÃO PAULO, BRASIL – UM ESTUDO DE CASO

Marjorie Toledo Duarte Marina de Nadai Bonin Gomes Kênia de Fátima Carrijo Évelyn Silva de Melo Soares

A tuberculose no homem como nos animais se destaca, dentre as doencas infectocontagiosas, levando a grandes prejuizos economicos e sociais. Visando a relevância desta patologia na saude coletiva, objetivou-se avaliar a prevalencia desta enfermidade em bovinos abatidos em um Matadouro Frigorifico do Estado de Sao Paulo. A ocorrencia de Tuberculose foi calculada e mencionada a decisao sanitaria das carcacas, orgaos e visceras, que na inspecao post mortem , apresentaram lesoes caracteristicas. No decorrer do estudo, verificou-se, no ano de 2001, uma ocorrencia de 0,16% de carcacas com tuberculose, deste percentual, 0,07%, foram liberadas para consumo in natura , 0,09% tiveram como destino conservas (tratamento pelo calor) e 0,01% representaram as carcacas condenadas. Nos meses de janeiro a junho de 2002 a prevalencia de tuberculose foi de 0,14%; a porcentagem de carcacas com tuberculose, liberadas para consumo in natura foi 0,06%; aquelas destinadas as conservas foram de 0,07% e aquelas condenadas representaram 0,006%. O mes de Outubro de 2001 foi o mes com maior indice de casos positivos para a tuberculose, possivelmente devido aos animais abatidos serem procedentes de confinamento, situacao que favorece a maior disseminacao do agente etiologico causador desta enfermidade.

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