Desempenho reprodutivo de ovelhas mestiças da raça Santa Inês em Brachiaria humidícula e efeito do sexo no ganho de peso de cordeiros

Oliveira, Paulo Andrade de; Cirne, Luís Gabriel Alves; Almeida, Danilo Câmara de; Oliveira, Gabriel Jorge Carneiro de; Jaeger, Soraya Maria Palma Luz; Strada, E. S. O.; Bagaldo, Adriana Regina; Oliveira, R. L.

doi:10.1590/s0102-09352014000100013

Cited by 7 publications

(4 citation statements)

References 7 publications

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“…Zundt et al (2014) trabalhando com cordeiros mestiços da raça Dorper com suplementação (creep feeding) de ração peletizada até a desmama, só conseguiram o peso ideal para abate aos 80 dias, corroborando com o período de desmame entre 70 e 90 dias. No estudo de Oliveira et al (2014) houve efeito linear crescente (P<0,05) da idade de desmame sobre o intervalo entre partos. Dessa forma, à medida que se prolongou a idade de desmame das crias, aumentou o intervalo entre partos, minimizando o desempenho reprodutivo das ovelhas.…”

Section: Resultsunclassified

Visão De Ovinocultores Sobre a Atividade No Paraná E Em São Paulo, É Este Um Bom Negócio? Um Estudo De Caso

Matias¹,

Andreola²,

Rêgo³

et al. 2019

Enci Bio

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RESUMOO objetivo foi apresentar a ovinocultura e suas potencialidades pela visão dos produtores. Realizou-se entrevistas durante 58ª ExpoLondrina, com pessoas ligadas à ovinocultura no estado do Paraná e São Paulo. Buscou-se dados quantitativos do rebanho, motivação para início de criação, participação em eventos, perspectivas da atividade. Entre as propriedades entrevistadas, 51,43% (n=18) situavam-se no estado de São Paulo e 48,57% (n=17) no Paraná. A maioria dos animais presentes no evento possuíam aptidão para genética e carne, visto que em relação à rentabilidade estas duas áreas estão em ápice na criação. Em relação à motivação para iniciar a criação, as respostas variaram entre: negócio, hobby, menor investimento, herança e diversificação de espécies na propriedade. No Paraná cerca de 41,18% (n=7) criavam por negócio, 29,41% (n=5) por hobby, 17,65% (n=3) por herança, 5,88% (n=1) por ter um menor investimento e 5,88% (n=1) pela diversificação de espécie. Já em São Paulo a motivação para criação foram 50% (n=9) hobby, 27,78% (n=5) negócio, 11,12% (n=2) herança, 5,55% (n=1) por um menor investimento e 5,55% (n=1) pela diversificação de espécies. Conclui-se que na concepção dos entrevistados a ovinocultura é uma das atividades agropecuárias mais rentáveis, justificada pela intenção da grande maioria em permanecer e crescer na atividade. PALAVRAS-CHAVE: agronegócio, cadeia produtiva.Rentabilidade. OVINOCULTURA IS A GOOD BUSINESS? ABSTRACTThe objective was to present a sheep and its potential for the producers' vision. It was held during the 58th ExpoLondrina, with people on sheep production in the state of Paraná and São Paulo. Quantitative data were collected on the herd, motivation to begin breeding, participation in events, prospects of the activity. Among the interviewed properties, 51.43% (n = 18) were in the state of São Paulo and 48.57%

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Section: Resultsunclassified

Visão De Ovinocultores Sobre a Atividade No Paraná E Em São Paulo, É Este Um Bom Negócio? Um Estudo De Caso

Matias¹,

Andreola²,

Rêgo³

et al. 2019

Enci Bio

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“…Creep feeding might have reduced the energy requirement and provided similar recovery conditions to the ewes. Oliveira et al (2014) found that daily supplementation for lambs in a creep feeding system optimized the reproductive efficiency of woolless ewes on Brachiaria humidicola pasture. Melo (2014) observed that ewes grazing on Urochloa spp.…”

Section: Dam Performancementioning

confidence: 99%

Weaning Age of Lambs Creep-Fed While Grazing on Marandu Pasture

Heimbach¹,

Ítavo²,

Ítavo³

et al. 2019

JAS

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This study aimed to examine the weaning age (60 and 90 days) of lambs supplemented while grazing on Urochloa brizantha cv. Marandu pasture. Production performance, incidence of worm infections, intoxication, and production cost of lambs, beside that body condition and occurrence of single or twin births in the ewes were evaluated, by two consecutive years. There was no effect of year. Lambs weaned at 90 days consumed more supplement (281.0 g/day) than those weaned at 60 days (210.2 g/day) and showed a higher total weight gain (20.76 kg vs. 14.97 kg). Weaning age did not influence the occurrence of worm infections and intoxication by Urochloa spp. in the lambs, dam weight or body condition score (BCS). Ewes with single-born showed a better BCS (1.8 points) than those ewes had twin-born (1.4 points). The costs of supplementing the lambs and the effective operating cost were higher when the lambs were weaned at 90 days of age. There was no difference for intake, lamb performance between the weaning age groups. We recommend to wean lambs at 90 days in a creep feeding system.

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“…In lamb production systems, weaning is used to improve productivity and accelerate the recovery of ewes' body condition score (Fernandes et al, 2011). Therefore, this strategy allows an early return of ewes to cyclicity, reducing the interval between parturitions, and increasing the rate of lambs produced per ewe year -1 (Oliveira et al, 2014). When weaning is associated with concentrate supplementation offered after weaning, the main results obtained are increased individual performance (Souza et al, 2010;Geron, Mexia, Garcia, Silva, & Zeoula, 2012) and lamb stocking rate on pasture (Carvalho et al, 2006;Silva et al, 2014).…”

Section: Introductionmentioning

confidence: 99%

Weaning and concentrate supplementation on the characteristics of carcass cuts and longissimus muscle of Suffolk lambs finished on pasture

Fernandes

Monteiro

Silva³

et al. 2021

Acta Sci. Anim. Sci.

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The aim of this study was to evaluate the influence of weaning and concentrate supplementation on the characteristics of carcass cuts and longissimus muscle of Suffolk lambs finished on a Tifton 85 (Cynodon spp.) pasture. Weaning and concentrate supplementation strategies were evaluated in four finishing systems: i) non-weaned and non-supplemented lambs; ii) non-weaned lambs supplemented with concentrate in creep feeding; iii) weaned and non-supplemented lambs; and iv) weaned lambs supplemented with concentrate. In the systems with weaning, lambs were weaned at 46 ± 6 days of age. In the systems with supplementation, the concentrate was offered daily at 2% of lambs’ body weight. Weaning led to a decrease, whereas supplementation led to an increase in carcass cut weights. Supplemented lambs had lower yields of neck and uncovered ribs, and higher yields of breast + flank and loin. The characteristics of loin eye and fat thickness over the longissimus muscle presented lower values in weaned lambs and higher values in supplemented lambs. Keeping lambs with their dams and offering concentrate supplementation until slaughter are strategies recommended to obtain heavier cuts with increased muscularity and fat content.

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Desempenho reprodutivo de ovelhas mestiças da raça Santa Inês em Brachiaria humidícula e efeito do sexo no ganho de peso de cordeiros

Abstract: Desempenho reprodutivo de ovelhas mestiças da raça Santa Inês em

Cited by 7 publications

References 7 publications

Visão De Ovinocultores Sobre a Atividade No Paraná E Em São Paulo, É Este Um Bom Negócio? Um Estudo De Caso

Visão De Ovinocultores Sobre a Atividade No Paraná E Em São Paulo, É Este Um Bom Negócio? Um Estudo De Caso

Weaning Age of Lambs Creep-Fed While Grazing on Marandu Pasture

Weaning and concentrate supplementation on the characteristics of carcass cuts and longissimus muscle of Suffolk lambs finished on pasture

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