Dry matter intake, performance, carcass traits and expression of genes of muscle protein metabolism in cattle fed increasing levels of de-oiled wet distillers grains

Ferreira, Mateus; Niehues, Maria B; Tomaz, L. A.; Baldassini, Welder Angelo; Ladeira, Márcio Machado; Arrigoni, Mário de Beni; Martins, Cyntia Ludovico; Gionbelli, Tathyane Ramalho Santos; Paulino, P. V. R.; Neto, Otávio Rodrigues Machado

doi:10.1016/j.anifeedsci.2020.114627

Cited by 6 publications

(12 citation statements)

References 34 publications

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“…As feed intake drives performance, average daily gain (ADG) and hot carcass weight (HCW) were affected by feedlot diets. As previous reported [ 13 ] ( S1 Table ), greater ADG was observed in bulls fed 15, 30 or 45% LF-WDG (1.90, 2.01, or 1.91 ± 0.09 kg/day, respectively) when compared to control (1.80 ± 0.09 kg/day). As expected, greater HCW was observed in bulls fed 15, 30 or 45% LF-WDG (340.33, 348.54, or 356.10 ± 10.48 kg, respectively) versus control diet (347.87 ± 10.48 kg).…”

Section: Resultssupporting

confidence: 87%

“…The hypothesis of the current study was confirmed. Our previous results [ 13 ] show that the inclusion of LF-WDG in finishing diets of F1 Angus-Nellore improves feed intake, performance, and carcass traits without impacting beef quality. The DMI observed in treatments with 15% and 30% LF-WDG agree with literature [ 7 ] including data from eight different studies.…”

Section: Discussionmentioning

confidence: 99%

“…Moreover, the digestion of starch increased propionate concentrations in the rumen, which is an important hypophagic compound in ruminants [ 12 ]. We previous reported that the inclusion of 30% LF-WDG in finishing diets of F1 Angus-Nellore improves feed intake and, consequently, final body weight, hot carcass weight, and rib eye area [ 13 ]. In the current study, our hypothesis was that evaluation of data from feeding behavior, rumen and liver health, as well as blood metabolic profile from the same animals would help to explain the of growth and performance results.…”

Section: Introductionmentioning

confidence: 99%

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Assessment of corn wet distillers grains fed to crossbred bulls on feeding behavior, rumen morphology, liver abscesses and blood parameters

et al. 2022

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Corn ethanol production has been growing in Brazil in the last ten years, generating by-products to feedlot diets. This study evaluates the effects of the inclusion of low-fat corn wet distillers grains (LF-WDG) on feeding behavior, ruminal health, liver abscesses and blood parameters of F1 Angus-Nellore bulls feedlot finished. Our hypothesis is that evaluation of data from feeding behavior, rumen and liver health would help to explain animal performance. In this trail, one-hundred animals were fed for 129 days with diets containing amounts of 0 (control), 15, 30 and 45% of LF-WDG replacing corn grain and soybean meal. Evaluations of fluctuation of dry matter intake (DMI) were carried out. Additionally, feeding behavior data were assessed by monitoring (24-h period) the feeding, rumination, time spent eating (TSE), and time expended on other activities (resting and number of meals per day). Blood variables such as pH, bicarbonate, total CO2 content, and base excess in extracellular fluid (Beecf) were determined. After slaughter, rumen epithelium was classified according to the incidence of lesions (rumenitis) and abnormalities (papillae clumped), and samples were collected for morphology and histology evaluations. Moreover, livers were scored for severity of abscesses as follow: as unabscessed (0), one or two small abscesses (A−), two to four small active abscesses (A) or one or more large, active abscesses (A+). The DMI (kg/day) differed (P = 0.03) among treatments and there is a tendency of 15 and 30 LF-WDG (% DM) had lower %DMI fluctuation compared to 0 or 45%. The TSE increased linearly (P < 0.01) as the amounts of inclusion of LF-WDG increased. Moreover, neutral detergent fiber (NDF) intake, NDF consumption rate and NDF rumination efficiency increased linearly (P < 0.01) in response to LF-WDG feeding. The incidence of rumenitis tended (P = 0.08) to be greater at 45% LF-WDG, while keratin thickness decreased linearly in bulls fed LF-WDG (P < 0.01). The severity of liver abscesses (score A+) increased linearly (P = 0.02). Regarding blood parameters, only Beecf decreased linearly (P < 0.01) in response to LF-WDG feeding. Therefore, the hypothesis of the current study was confirmed. We previous reported that F1 Angus-Nellore bulls fed LF-WDG show greater weight gain (1.94 ± 0.09 kg/day) and final body weight (620 ± 18.8 kg) when compare to control (1.8 ± 0.09 kg/day and 602 ± 18.8 kg, respectively). Here, we conclude that inclusion of 15 to 30% LF-WDG in feedlot diets improved feeding behavior without impairing ruminal health and blood parameters, driving performance and weigh gain of crossbred bulls. However, bulls fed 45% LF-WDG had greater severity of liver abscesses.

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Section: Resultssupporting

confidence: 87%

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Assessment of corn wet distillers grains fed to crossbred bulls on feeding behavior, rumen morphology, liver abscesses and blood parameters

et al. 2022

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“…However, high-moisture harvesting and storage appeared as the secondary grain-processing method of use, possibly indicating that Brazilian nutritionists have been interested in improving starch utilization of finishing diets, as the inclusion levels of energy is closer to those reported by the American feedlot nutritionists than ever before. Dried and wet distillers grains were cited for the first time in a Brazilian survey among the concentrate coproducts used in finishing diets, and studies associating inclusion levels of distillers grains for Nellore cattle, as well as for typical feedlot diets in Brazil, are still scarce (Ferreira et al, 2020). In addition, cattle finished in Brazilian feedlots have been slaughtered at heavier weights, deserving further attention of scientists, as nutritional adjustments will be needed during the feeding period to achieve Brazilian market requirements for fat cover and carcass weight.…”

Section: Discussionmentioning

confidence: 99%

The 2019 Brazilian survey on nutritional practices provided by feedlot cattle consulting nutritionists

Silvestre¹,

Millen²

2021

Revista Brasileira De Zootecnia

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Animal production systems and agribusinessFull-length research articleThe 2019 Brazilian survey on nutritional practices provided by feedlot cattle consulting nutritionists ABSTRACT -This survey aimed to provide a current outlook of nutritional recommendations and management practices adopted by feedlot nutritionists in Brazil.The survey questionnaire consisted of 96 questions that included general information on nutritionists, animals, ingredients utilized in finishing diets, management and formulation practices, feeding management, and challenges associated with applying nutritional recommendations in practice. Thirty-six nutritionists, responsible for 4,671,062 animals in Brazil, responded our questionnaire. An increase in the percentage of nutritionists (38.9%) recommending 66% or more grain inclusion in the diets was observed. Fine grinding remained the preferred grain processing method by nutritionists (44.4%); however, more than 50% of nutritionists recommended highmoisture harvest and storage as the secondary grain processing method of choice. The average level of concentrate in the diets was 83.3%, which is higher compared with past surveys. The preferred fiber analysis method by 80.6% respondents was physically effective neutral detergent fiber (peNDF), and corn silage remained the main roughage source in finishing diets (69.4%). Improvements in diet mixing and distribution were also noted. While 79.0% of nutritionists' clients use a truck-mounted mixer and 69.5% of them also use programmed delivery per pen, 44.4% of the nutritionists reported that their clients use clean-bunk management. Respiratory diseases and acidosis (reported by 71.4 and 27.6% of the respondents, respectively) are among the main health problems. The present survey provides an overview of nutritional practices currently adopted by feedlot nutritionists, who played an important role on the improvement of feeding management in Brazil over the last 10 years.

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“…Thus, there is the formation of ruminal digestion. The viability of calves is significantly influenced by the conditions of feeding and housing and age and associated morphological and physiological characteristics (Blom et al, 2020;Ferreira et al, 2020;Aragona et al, 2021;Salami et al, 2021).…”

Section: Introductionmentioning

confidence: 99%

Use of Grain Silage in Feeding Cattle Growing Stock

Belova¹,

Pleshkov²

2021

J Biochem Technol

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The article presents the study results on using grain silage in the feeding ration of replacement heifers. Instead of corn silage, the experimental group of heifers was fed with vetch-barley grain silage in the amount of 3.6 kg per head per day. In the experimental groups of young cattle, the increase in live weight (average daily, absolute, relative) was studied, and the economic efficiency of using grain silage in the diets of heifers was also determined. The study results showed that the absolute gain in the groups of experimental calves was 62.1±2.1 kg, which was higher by 14.6% or 7.9±0.4 kg (p<0.05) than the total gain of the control group, where this indicator was 54.2±1.9 kg. The relative gain of the experimental group was 70.8±1.7%. The relative increase in growing stock from the control group was 61.4±1.5%, which turned out to be 15.31% lower than in the control group (p<0.01). The average daily gains in the experimental group were 690.0±32.1 g, which slightly exceeded the indicator of the control group by 14.6% or 87.8±3.1 g. In the experimental group, the profit was higher by 5924.0 rubles than in control, which ensured an economic effect per head in this group in the amount of 1184.8 rubles.

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Dry matter intake, performance, carcass traits and expression of genes of muscle protein metabolism in cattle fed increasing levels of de-oiled wet distillers grains

Cited by 6 publications

References 34 publications

Assessment of corn wet distillers grains fed to crossbred bulls on feeding behavior, rumen morphology, liver abscesses and blood parameters

Assessment of corn wet distillers grains fed to crossbred bulls on feeding behavior, rumen morphology, liver abscesses and blood parameters

The 2019 Brazilian survey on nutritional practices provided by feedlot cattle consulting nutritionists

Use of Grain Silage in Feeding Cattle Growing Stock

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