Supplementation of lamb ewes with different protein sources in deferred marandu palisadegrass (Brachiaria brizantha cv. marandu) pasture

Gurgel, A. L. C.; Difante, Gelson dos Santos; Neto, João Virgínio Emerenciano; Costa, Marcone Geraldo; Dantas, Joederson Luiz Santos; Ítavo, L. C. V.; Ítavo, Camila Celeste Brandão Ferreira; Pereira, Marília Williani Filgueira; Rodrigues, Jéssica Gomes; Oliveira, Ingrid Laíse Silvestre de; Bezerra, José Igor Gomes

doi:10.1590/1678-4162-11702

Cited by 9 publications

(5 citation statements)

References 24 publications

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“…Biometric measurements are highly correlated with the major cuts of the carcass (2) . Therefore, studies were developed to test the hypothesis that biometric measurements would be efficient in predicting the yield of these cuts.…”

Section: Prediction Of Body Weight and Carcass Traits Of Sheep Throug...mentioning

confidence: 99%

“…Sheep farming for meat production in Brazil has expanded in the last decade because of the increased demand for this type of meat in the market. Thus, producers have sought ways to establish production systems capable of efficiently generating quality meat at a low cost (1,2,3) . However, the productivity of these animals in Brazil is still incipient due to deficiencies in genetic and nutritional management, poor financing, inadequate management systems of the various rearing stages, and low ability to properly organize the production chain (4) .…”

Section: Introductionmentioning

confidence: 99%

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Aspectos relacionados con la importancia del uso de modelos predictivos en la producción ovina. Revisión

Gurgel

Difante

Ítavo

et al. 2022

Rev. Mex. Cienc. Pecu.

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Sheep production systems face numerous challenges, which make decision-making a process fraught with risks and uncertainties. Modelling is a helpful tool in this respect, as it allows decision-makers to evaluate the behaviour of variables and their interrelationships, in addition to using previous or related information to predict results and simulate different scenarios. The advent of prediction models has made it possible to monitor the weight of an animal and determine the best time for its sale. Additionally, it allows producers to estimate the weights of the carcass and major marketable cuts before slaughter. All this information is directly associated with the profitability and success of the production activity. Therefore, in view of the different applications of mathematical models in production systems, this literature review examines concepts in modelling studies and the importance of using prediction models in meat sheep production. Furthermore, it addresses the practical application of modelling studies in predicting dry matter intake and carcass traits of meat sheep through correlated variables.

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Section: Prediction Of Body Weight and Carcass Traits Of Sheep Throug...mentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Aspectos relacionados con la importancia del uso de modelos predictivos en la producción ovina. Revisión

Gurgel

Difante

Ítavo

et al. 2022

Rev. Mex. Cienc. Pecu.

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“…One of the biggest challenges for ruminant production in tropical climate regions is to maintain a constant fodder supply throughout the year, as seasonal weather events affect forage plant growth (GURGEL et al, 2020;SILVA et al, 2022). In this sense, the silage of short-cycle forages that are resistant to water shortages is a possibility to have volume available for animals during periods of food shortages (BARCELOS et al, 2018;BRITO et al, 2020;OLIVEIRA et al, 2023;ALI et al, 2022).…”

Section: Introductionmentioning

confidence: 99%

Nutritional value and fermentative characteristics of pearl millet silage with different levels of coffee husk

et al. 2024

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The research was conducted to test the hypothesis that the inclusion of coffee husk (Coffea sp.) would improve the fermentative characteristics and quality of pearl millet silage (Pennisetumglaucum). Thus, the objective was to assess the effect of the inclusion of different levels of coffee husk in pearl millet silage on the chemical composition, fermentative characteristics and degradability in situ of silage. The experimental design used was completely randomized and the treatments consisted of the silage of the whole pearl millet plant with the inclusion of increasing levels of coffee husk: 0%, 7%, 14% and 21%, based on natural matter. After 60 days of fermentation, the silages were evaluated for chemical characteristics, fermentative, degradability in situ dry matter (DM) and neutral detergent fiber (NDF). The inclusion of coffee husk did not alter (P > 0.05) the contents of crude protein (11.94%), NDF (44.89%) and total digestible nutrients (65.09%). There were increases in the concentrations of DM and fiber in acid detergent, accompanied by a reduction in the concentrations of mineral matter and ether extract, as the proportion of coffee husks in silages increased. There was an increase in the lignin content up to the level of 7.59% inclusion of the coffee husk. There was no effect of the inclusion of the coffee husk on the pH of the silage (3.60). However, the inclusion of coffee husk resulted in a reduction in temperature, gas losses, and degradability in situ of silage DM and NDF. It is recommended to include coffee husk up to the level of 14.0% of the natural matter to improve the fermentation pattern and the quality of the pearl millet silage.

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“…Inadequate nutrition of the ewe, especially in the last third of gestation, is associated with a reduction in lamb birth weight and development, low vigor, and high neonatal mortality (Fraga et al, 2018;Gurgel et al, 2020;Arco et al, 2021). Moreover, ewes need a greater nutrient supply in a smaller volume of feed due to the reduction in abdominal space while pregnant.…”

Section: Introductionmentioning

confidence: 99%

Effect of supplementation of ewes in the final third of gestation on the development of their lambs

Campos¹,

Difante²,

Gurgel³

et al. 2022

Revista Brasileira De Zootecnia

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This study examined the effect of different supplementation strategies for ewes in the last third of gestation, kept on a deferred Brachiaria brizantha cv. Marandu pasture, on their performance and the growth curve of their lambs. A total of 54 ewes, of no defined breed, with an average weight of 41.10±3.10 kg, were used in a completely randomized design, divided into three groups (18 ewes per treatment). In total, 61 lambs were born, 28 females and 33 males, with 3.70±0.55 and 3.68±0.69 kg birth weight, respectively. Treatments were as follows: multiple mixture ad libitum, concentrate supplement at 0.4% live weight (LW), and concentrate supplement at 0.8% LW. Average daily weight gain (ADG, g/animal/day) and total weight gain (TWG, kg/animal) were evaluated in ewes and lambs. Reproductive efficiency indices were measured in the ewes and biometric variables in the lambs. The ADG and TWG of ewes in the last third of gestation were higher in animals supplemented at 0.8% LW. Reproductive efficiency results were superior in ewes supplemented at 0.4% LW. The effect of ewe supplementation on lamb growth curve as estimated by the Gompertz model did not reveal differences between the curves of lambs born to ewes that received supplementation at 0.4 and 0.8% LW. However, supplementing ewes with a multiple mixture induced a reduction in the growth curve parameters of their lambs. The use of concentrated supplementation, at levels of 0.4 and 0.8% of LW, provides greater productive and reproductive performance for ewes and lambs.

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Supplementation of lamb ewes with different protein sources in deferred marandu palisadegrass (Brachiaria brizantha cv. marandu) pasture

Cited by 9 publications

References 24 publications

Aspectos relacionados con la importancia del uso de modelos predictivos en la producción ovina. Revisión

Aspectos relacionados con la importancia del uso de modelos predictivos en la producción ovina. Revisión

Nutritional value and fermentative characteristics of pearl millet silage with different levels of coffee husk

Effect of supplementation of ewes in the final third of gestation on the development of their lambs

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