Effects of Increasing Rumen‐Undegradable Protein Supplementation Levels on Early Weaned Calves Grazing Stargrass

Vendramini, J. M. B.; Arthington, J. D.; Sollenberger, Lynn E.

doi:10.2135/cropsci2012.06.0340

Cited by 6 publications

(3 citation statements)

References 22 publications

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“…Inyang et al (2010a) observed that HA of less than 1.4 kg DM kg -1 LW decreased ADG of heifers grazing bahiagrass and brachiariagrass pastures. Vendramini et al (2013) observed that 10 g kg -1 of body weight of concentrate supplementation was approximately 33% of the total DM intake of early weaned calves receiving stargrass. Vendramini et al (2007) observed that early weaned calves grazing Tifton 85 bermudagrass increased ADG from 0.4 to 0.5 kg d -1 with increasing levels of supplementation from 0 to 10 g kg -1 concentrate supplementation at similar HA (»1.0 kg DM kg -1 LW) between treatments.…”

Section: Animal Responsesmentioning

confidence: 96%

“…Vendramini et al (2007) observed that early weaned calves grazing Tifton 85 bermudagrass increased ADG from 0.4 to 0.5 kg d -1 with increasing levels of supplementation from 0 to 10 g kg -1 concentrate supplementation at similar HA (»1.0 kg DM kg -1 LW) between treatments. Vendramini et al (2013) observed that 10 g kg -1 of body weight of concentrate supplementation was approximately 33% of the total DM intake of early weaned calves receiving stargrass. However, Vendramini and Arthington (2008) reported that there was a decrease in ADG of early weaned calves grazing stargrass pastures when HA decreased from 1.0 to 0.7 kg DM kg -1 LW.…”

Section: Animal Responsesmentioning

confidence: 96%

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Stocking Rate Effects on ‘Jiggs’ Bermudagrass Pastures Grazed by Heifers Receiving Supplementation

et al. 2014

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‘Jiggs’ bermudagrass [Cynodon dactylon (L.) Pers.] is a productive forage in the southeastern United States; however, there is limited information on grazing management of this bermudagrass ecotype. The objective of this study was to test the effects of different stocking rates on animal performance and herbage characteristics of Jiggs pastures. The experiment was conducted in Ona, FL, from May to August 2011 and 2012. Treatments were three stocking rates, 3.0 (low), 7.5 (medium), and 12.0 animal units (AU = 450 kg liveweight [LW]) ha−1 (high). The animals received 10 g kg−1 LW concentrate supplement daily during the experimental period. Heifer weight was recorded every 28 d and herbage parameters were measured every 14 d. There was a linear decrease (P < 0.01) in herbage mass (HM, from 3.8 to 2.4 Mg ha−1), light interception (from 94 to 71%), forage height (from 17 to 9 cm), and herbage allowance (HA, from 2.3 to 0.4 kg dry matter kg−1 LW) with increasing stocking rate. There was no effect (P > 0.10) of stocking rate on herbage nutritive value. Jiggs ground cover decreased (P < 0.01) from 95 to 39% with increasing stocking rates. Heifer average daily gain decreased (P < 0.01, from 0.7 to 0.3 kg d−1) and gain per hectare (P = 0.01, from 692 to 1064 kg ha−1) increased as stocking rate increased. Despite greater gain per hectare with increasing stocking rate, continuously stocked Jiggs should not be grazed below 17‐cm stubble height during the growing season to maintain the stand.

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Section: Animal Responsesmentioning

confidence: 96%

Section: Animal Responsesmentioning

confidence: 96%

Stocking Rate Effects on ‘Jiggs’ Bermudagrass Pastures Grazed by Heifers Receiving Supplementation

et al. 2014

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“…Thus, PS was effective to optimize the environment in the rumen, and consequently improving both protein nutrition and energy nutrition. This supplement has been shown to be effective after weaning by Vendramini et al (2013) and Euclides et al (2014).…”

Section: Supplement Effectsmentioning

confidence: 99%

Animal Performance with and without Supplements in Mombaça Guinea Grass Pastures during Dry Season

Araújo¹,

Difante²,

Euclides³

et al. 2017

JAS

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The objectives were to: 1) evaluate the potential of the animal performance on Panicum maximum cv. Mombaça (mombaça guinea grass) pasture during dry season, and 2) determine the effects of protein or protein-energy supplementation on liveweight gain of steers grazing guinea grass pasture. A complete randomized block design was employed with three treatments and three replicates. Treatments included non-supplemented animals (NS) and animals supplemented with protein (PS) or protein-energy (PES), provided at 0.15% or 0.6% of body weight for 115 days, during dry period. We used 36 weaned calves from initial bodyweigh (LW) of 192 kg (±5 kg) on nine plots of mombaça guinea grass (1.25 ha each). Each month, animals were weighed and pastures sampled to estimate forage characteristics. The average daily gain (ADG) was greater (P = 0.0001) for cattle fed supplement than for cattle fed no supplement (250 g steer ). Mombaça guinea grass pastures with 45 cm height at the end of the wet season have enough forage mass for maintenance throughout the dry season about 1.4 AU ha -1 (AU = 450 kg BW), and reasonable nutritive value (average of 8,1% of crude protein and 55,3% of in vitro organic matter digestibility) to provide small gains. Considering the nutritive value of Mombaça guinea grass during the dry period, protein and energy supplementation is required for weaned calves to optimize their performance.

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Intake, metabolism parameters, and performance of growing beef cattle on pasture supplemented with different rumen undegradable protein with different amino acid profile

Camargo

Messana

Silva

et al. 2022

Animal Feed Science and Technology

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Effects of Increasing Rumen‐Undegradable Protein Supplementation Levels on Early Weaned Calves Grazing Stargrass

Cited by 6 publications

References 22 publications

Stocking Rate Effects on ‘Jiggs’ Bermudagrass Pastures Grazed by Heifers Receiving Supplementation

Stocking Rate Effects on ‘Jiggs’ Bermudagrass Pastures Grazed by Heifers Receiving Supplementation

Animal Performance with and without Supplements in Mombaça Guinea Grass Pastures during Dry Season

Intake, metabolism parameters, and performance of growing beef cattle on pasture supplemented with different rumen undegradable protein with different amino acid profile

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