Efeitos de diferentes fontes de concentrado sobre o consumo e a produção de cordeiros na fase de terminação

Ítavo, Camila Celeste Brandão Ferreira; Morais, Maria da Graça; Ítavo, Luís Carlos Vinhas; Souza, Aparecido Ribeiro de; Oshiro, Maurílio Massaharu; Biberg, Fábio Arguelo; Costa, Ciniro; Jobim, Clóves Cabreira; Lempp, Beatriz

doi:10.1590/s1516-35982006000100018

Cited by 9 publications

(2 citation statements)

References 8 publications

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“…01, 6.71, 7.62, and 6.9 for diets with 0, 20, 30, and 40% whole cottonseed, which are close to the value recorded in this study. Average FE in our study (17.68%) was similar to the values estimated in studies that evaluated more complex diets containing concentrate supplements in addition to forage (ÍTAVO et al, 2006;MEDEIROS et al, 2007) and higher than the values estimated in studies that used fodder salt supplementation in sheep diets (SILVA et al, 2006;GONÇALVES et al, 2008;CIRNE et al, 2012).…”

Section: Parametersupporting

confidence: 85%

Productive performance of finishing lambs fed with faveleira fodder salt (Cnidoscolus quercifolius Pohl)

et al. 2016

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This study evaluated food intake and productive performance of crossbred (½ Santa Inês x ½ dorper) lambs supplemented with different levels of faveleira (Cnidoscolus quercifolius Pohl) fodder salt. Thirty male sheep fed tifton grass hay, water, and faveleira fodder salt were randomly allocated into five treatments with six replicates each. The treatments consisted of diets with different inclusion levels of faveleira hay in the fodder salt composition: Treatment 1 (1% mineral salt + 99% faveleira hay), Treatment 2 (3% mineral salt + 97% faveleira hay), Treatment 3 (5% mineral salt + 95% faveleira hay), Treatment 4 (7% mineral salt + 93% faveleira hay), and Treatment 5 (Control -100% mineral salt). Intake of dry matter, tifton hay and water, average daily gain, feed conversion, and feed efficiency were not affected by fodder salt supplementation (P > 0.05). There was a significant difference (P < 0.05) in fodder salt intake between Treatments 4 and 5, and daily intake was higher in animals submitted to Treatment 4 (61.0 g day -1 ). Mineral salt intake increased significantly with increasing mineral salt levels in the diet. However, no significant difference was observed in average daily gain across treatments, indicating that faveleira hay, even in small quantities, and tifton hay were able to meet the nutritional requirements of animals to support a good average daily gain. The inclusion of up to 99% faveleira hay in fodder salt formulations did not affect voluntary intake of forage, water and dry matter, average daily gain, feed conversion, and feed efficiency. Lambs supplemented with faveleira fodder salt had average daily gains within the optimal range for slaughter and high feed conversion and feed efficiency values. Faveleira was shown to be an effective supplementary feed alternative in sheep. ResumoO objetivo deste estudo foi avaliar o consumo e o desempenho produtivo de cordeiros mestiços ½ sangue dorper + ½ sangue santa inês, suplementados com diferentes níveis de sal forrageiro de faveleira (Cnidoscolus quercifolius Pohl). Utilizou-se 30 ovinos machos, alimentados com feno de capim tífton, água e sal forrageiro de faveleira e distribuídos em um delineamento inteiramente casualizado com cinco tratamentos e seis repetições. Os tratamentos se constituíram de dietas com diferentes proporções de inclusão de feno de faveleira na formulação do sal forrageiro: Tratamento 1 (1% de sal mineral + 99% de feno de faveleira); Tratamento 2 (3% de sal mineral + 97% de feno de faveleira); Tratamento 3 (5% de sal mineral + 95% de feno de faveleira); Tratamento 4 (7% de sal mineral + 93% de feno de faveleira) e Tratamento 5 (100 % de sal mineral). A análise de variância não demonstrou efeito (P>0,05) da suplementação sobre a ingestão de matéria seca, consumo de feno de tífton, ingestão de água, ganho de peso diário, conversão e eficiência alimentar. Houve diferença (P<0,05) na ingestão diária de sal forrageiro somente entre o tratamento 4 e o tratamento testemunha, sendo que os animais do tratamento 4 (93% de fe...

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Section: Parametersupporting

confidence: 85%

Productive performance of finishing lambs fed with faveleira fodder salt (Cnidoscolus quercifolius Pohl)

et al. 2016

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“…A gelatinização ocorre quando os grânulos de amido absorvem água e incham, liberando amilose e amilopectina, o que aumenta a hidrólise enzimática e resulta em melhor aproveitamento pela microbiota ruminal. Quando a gelatinização ocorre no endosperma farináceo, o amido é digerido mais rápido do que quando a gelatinização ocorre no endosperma vítreo ou periférico (HALE, 1973;SIMAS, 1997;ÍTAVO et al 2006).…”

Section: Reconstituiçãounclassified

Reconstituição de grãos de milho sobre o consumo, digestibilidade aparente dos nutrientes e parâmetros ruminais de ovinos

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Effects of processing corn on the carcass traits and meat quality of feedlot lambs

Oliveira

Mazon

Carvalho

et al. 2015

Trop Anim Health Prod

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The objectives of this study were to evaluate and compare the effect of the corn grain processing (whole grain, dry beans ground, and wet grain) on carcass characteristics and meat quality in lambs. Twenty-two Dorper vs. Santa Inês uncastrated lambs (27 ± 4 kg BW; ±3 months old) were distributed in a randomized complete block (initial BW). The diets were composed of 20 % protein-mineral pellet, 5 % hay, and 75 % corn in the form of whole grain, ground grain, or wet grain. The harvest weight of animals fed whole corn (50.2 kg) and ground (49.03 kg) were equal and higher than the moisture corn fed lambs (44.89 kg); therefore, the same differences were expected to be seen in the cold vs hot carcass comparison. However, there was no difference between treatments comparing hot or cold carcass performance, averaging 47 and 46 %, respectively. Also unaffected by the treatments were subcutaneous fat thickness values, loin muscle area, pH, temperature, drip loss, water loss by cooking, color, and tenderness. It can be concluded that the shape and size of corn grain in diets of high concentrate resulted in no measurable influence on carcass traits, but whole grain is more easily managed by the producer.

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Efeitos de diferentes fontes de concentrado sobre o consumo e a produção de cordeiros na fase de terminação

Cited by 9 publications

References 8 publications

Productive performance of finishing lambs fed with faveleira fodder salt (Cnidoscolus quercifolius Pohl)

Productive performance of finishing lambs fed with faveleira fodder salt (Cnidoscolus quercifolius Pohl)

Reconstituição de grãos de milho sobre o consumo, digestibilidade aparente dos nutrientes e parâmetros ruminais de ovinos

Effects of processing corn on the carcass traits and meat quality of feedlot lambs

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