Supplementation strategies for grazing beef cattle during the rainy-dry transition period

Moraes, Eduardo Henrique Bevitori Kling de; Paulino, Mário Fonseca; Moraes, Kamila Andreatta Kling de; Filho, Sebastião de Campos Valadares; Detmann, Edênio; Couto, Victor Rezende Moreira

doi:10.5433/1679-0359.2017v38n2p895

Cited by 7 publications

(3 citation statements)

References 28 publications

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“…The isolated action or interaction between the physical (ruminal filler), physiological and psychogenic factors in an animal interferes with the DMI [4]. Therefore, the higher DMI in cows receiving sorghum silage as an exclusive source of fiber is justified by the higher DM content of the diet in relation to the others.…”

Section: Discussionmentioning

confidence: 99%

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Nutritional and productive parameters of Holstein/Zebu cows fed diets containing cactus pear

Borges

Júnior

Monção

et al. 2019

Asian-Australas J Anim Sci

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Objective This study ascertained effects of cactus pear in association with different roughage in the diet of F1 Holstein/Zebu cows on intake, nutrient digestibility, nitrogen balance, ingestive behavior and performance. Methods Eight cows with 72±11 days of lactation were used. The experimental design was simultaneous in two 4×4 Latin squares. Four experimental diets were used: Diet 1, sorghum silage as exclusive roughage; Diet 2, sorghum silage associated with cactus pear in a proportion of 50% of the roughage (dry matter basis); Diet 3, elephant grass ( Pennisetum purpureum cv. Roxo) as exclusive roughage; Diet 4, elephant grass associated with cactus pear in a proportion of 50% of the roughage. The roughage:concentrate ratio was 75:25. Results Dry matter intake (p = 0.01) was higher with sorghum silage. There were differences in dry matter intake (p = 0.01), crude protein (p<0.01), ether extract (p = 0.01), non-fibrous carbohydrates (p<0.01) and total digestible nutrients (p = 0.01) among the diets. Cactus pear in the diet reduced water intake by 44.52% (p<0.01). The nitrogen balance was 59.71% and 27.49% lower in animals treated with exclusive sorghum silage and sorghum silage associated with cactus pear in relation to diets with elephant grass and elephant grass associated with cactus pear, respectively (p<0.01). The diets did not influence the milk production (p = 0.70), 3.5% fat corrected milk production (p = 0.72) or feed efficiency (p = 0.61). Conclusion The association of cactus pear with sorghum or elephant grass silage does not alter milk production, reduces the intake of dry matter and water and improves the digestibility of nutrients.

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Section: Discussionmentioning

confidence: 99%

“…In semiarid regions, mainly due to long periods of drought, animals are often managed with a diet supply in troughs, making food costs one of the highest costs of production [3]. This is due to the greater inclusion of concentrated ingredients (corn and soybean meal) in the diet, which costs more in relation to roughage forage [4].…”

Section: Introductionmentioning

confidence: 99%

Nutritional and productive parameters of Holstein/Zebu cows fed diets containing cactus pear

Borges

Júnior

Monção

et al. 2019

Asian-Australas J Anim Sci

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“…On one hand, there are indications of high variability in supplement intake (Brokaw et al, 2002) and adverse effects on animal performance (Williams et al, 2018). On the other hand, some research does not show any disadvantages of their use (Schauer et al, 2004;Moraes et al, 2017). Yet, the information about selffed supplements for cattle grazing tropical grasses is incipient.…”

Section: Introductionmentioning

confidence: 99%

Self-fed Supplements of Low and Medium Intake for Beef Steers Finished on Pasture

Souza

Missio

Paris

et al. 2021

Preprint

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The obstacles of using supplementation are related to the cost and labor. Self-fed supplements of low and medium intake can be an option to overcome these problems. However, the nutritive value and pasture yield are crucial to finding the right composition and amount of supplement. We evaluated productive responses of steers receiving self-fed supplements of low and medium intake on Aruana grass pasture. The animal performance, ingestive behavior, and pasture characteristics were evaluated in a completely randomized design with three treatments and three replicates. Twenty-four Aberdeen Angus steers were used as the tester animals. The dry matter intake and nutrient digestibility were evaluated in a 3 x 3 double Latin square repeated over time. The treatments consisted of mineral salt (control), supplementation for intake of 1.5 g/kg body weight (low-intake), and supplementation for intake of 4.0 g/kg body weight (medium-intake). The supplements did not influence the pasture characteristics and ingestive behavior, except the number of bites/day that was higher for the low-intake. Dry matter digestibility and forage intake were not affected by the supplementation, but the total dry matter intake increased for the medium-intake. The average daily gain, stocking rate, and fat thickness gain were higher for the medium-intake. The self-fed supplements of medium-intake increase the total dry matter intake, maximizing the performance of steers on Aruana grass.

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Effect of replacing forage sorghum silage with biomass sorghum silage in diets for F1 Holstein × Zebu lactating cows

Ramos

Júnior

Monção

et al. 2021

Trop Anim Health Prod

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Supplementation strategies for grazing beef cattle during the rainy-dry transition period

Cited by 7 publications

References 28 publications

Nutritional and productive parameters of Holstein/Zebu cows fed diets containing cactus pear

Nutritional and productive parameters of Holstein/Zebu cows fed diets containing cactus pear

Self-fed Supplements of Low and Medium Intake for Beef Steers Finished on Pasture

Effect of replacing forage sorghum silage with biomass sorghum silage in diets for F1 Holstein × Zebu lactating cows

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