Performance of Nellore calves in tropical pasture consuming different types of concentrated supplements

Vedovatto, Marcelo; Meirelles, M.B.; D’Oliveira, Marcella Cândia; Diogo, J.M.S.; Morais, M.G.; Abreu, Claudilene Lima de; Neto, Ibrahim Miranda Cortada; Franco, Gumercindo Loriano

doi:10.1590/1678-4162-9825

Cited by 3 publications

(2 citation statements)

References 10 publications

(8 reference statements)

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“…The control of efficiency in the supply of concentrate supplementation lies in the availability and structure of the pasture and in the type and amount of supplement to be offered to the animal Effect of supplementation of ewes in the final third of gestation on the development of their lambs Campos et al (Vedovatto et al, 2019;Silva et al, 2022) so that weight gain and productive and reproductive performance can be enhanced.…”

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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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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“…Trace minerals are supplied to cattle because of the critical functions that they have, such as synthesis of hormones and enzymes, bone formation, and development of the central nervous system (Corah, 1996). Furthermore, subclinical deficiencies of trace minerals are associated with decreases in weight gain, immunity, and reproductive performance as well as increased oxidative stress, and as such ITM supplementation could be strategically used in periods of increased need of nutritional support such as periods of low forage availability (Kegley et al 2012;Vedovatto et al 2019).…”

Section: Introductionmentioning

confidence: 99%

Effect of injectable trace mineral at weaning on growth and physiology of Nellore calves under feed restriction

Zornitta

D’Oliveira

Bento

et al. 2021

Trop Anim Health Prod

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Calves are susceptible to a wide variety of stressors besides the seasoning low forage availability during their weaning phase. Thus, it is ideal if they receive adequate trace mineral supplementation during this period. This study evaluated the effect of injectable trace minerals (ITM) on performance, concentration of oxidative stress enzymes, and biochemical plasmatic parameters in Nellore calves during the weaning phase and under feed restriction. A total of 30 Nellore calves were used at the age of 7 ± 1 month and 176.23 ± 21.68 kg of initial body weight (BW). These animals were allocated in Urochloa decumbens pasture for 28 days and transferred to Urochloa brizantha cv Marandu pasture for another 28 days. The treatments were: Saline (saline solution; 0.9% NaCl) and ITM (Multimin®, providing: 15 mg Cu/mL, 60 mg Zn/mL, 10 mg Mn/ mL, and 5 mg Se/mL). Both treatments were applied subcutaneously in the ratio of 1 mL/45 kg of BW. At the end of the experiment (d 56), animals were lighter than on d 0 in both treatments (P < 0.05). However, calves that received the ITM treatment presented lower body weight (P < 0.05) on d 56, compared to those in the control group. No significant difference (P > 0.05) was observed on the concentrations of oxidative stress enzymes. Moreover, no significant difference (P > 0.05) was observed in the plasmatic parameters; these were at normal range or slightly below the concentrations described for the species. We concluded that, in a feed restriction condition, the use of ITM in weaned calves did not improve performance, and the concentration of oxidative stress enzymes, and biochemistry variables. Therefore, we do not recommend using injectable trace minerals in the concentrations used in this study in animals under such stressful conditions.

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Impact of energy-mineral supplementation on the performance of young bulls from varied genetic groups during the pasture growth phase and in subsequent feedlot evaluation

Guimarães,

Bilego,

Restle

et al. 2024

New Zealand Journal of Agricultural Research

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Performance of Nellore calves in tropical pasture consuming different types of concentrated supplements

Cited by 3 publications

References 10 publications

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

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

Effect of injectable trace mineral at weaning on growth and physiology of Nellore calves under feed restriction

Impact of energy-mineral supplementation on the performance of young bulls from varied genetic groups during the pasture growth phase and in subsequent feedlot evaluation

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