Influence of Close-Up Starting Programs on Performance of Light-Weight Feedlot Steers Calves during the Early Receiving Period

Barajas, R.; Salinas-Chavira, J.; Zinn, R. A.

doi:10.4236/ojas.2014.45027

Cited by 2 publications

(1 citation statement)

References 17 publications

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“…DM intake was 4.91, 5.40 and 5.58 kg/day in group 1, 2 and 3, respectively. Average daily gain of chromium supplemented group during present study were in agreement with Barajas et al (2005), who also reported the higher body weight in calves supplemented with chromium. The increase of body weight gain in these calves could be attributed to the increase in dry matter intake (Kraidees et al 2009).…”

Section: Dry Matter Intake Average Daily Gain and Water Intakesupporting

confidence: 91%

Amelioration of adverse effects of heat stress using custom design shelter system and supplementing chromium propionate to growing Karan Fries calves during summer

Singh

RENUKA²,

KUMAR

et al. 2017

Indian J of Anim Sci

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Climate change has become a threat to the sustainability of livestock systems throughout the world. Present study was carried out to evaluate the ameliorative effect of custom design shelter system and chromium propionate supplementation in crossbred calves, for which 15 growing Karan Fries crossbred calves were further divided equally into three groups based on their body weight and age. Groups 1, 2 and 3 animals were kept in an open shed (control), under custom designed shed and under custom designed shed supplemented with chromium propionate @ 0.5 mg/kg DMI through chromium propionate, respectively. These animals were fed on the fodder and concentrate (60:40) ad lib. All calves were kept under similar feeding and management schedule for 8 days under preliminary period to adapt on the diet followed by 90 days experimental period. Blood samples were collected on day 0, 45 and 90 for the analysis of biochemical parameters (cortisol, catalase, IgA and IgM) and expression of growthrelated gene (NFIL3). Results showed that the custom designed shed reduced the Tmax (32.94Â°C) by 3.24Â°C compared to the open shed (36.18Â°C) and improved the dry matter intake (DMI), average daily gain (ADG) and decreased water intake of growing calves of group 3 and 2 over group 1. Results further indicated lower stress(cortisol, catalase) levels and better immunity (IgA and IgM) in group 3 compared to group 2 and 1. The generelated to growth (NFIL3) showed higher expression in group 3 compared to the group 2 and 1. The improvementin body weight gain with better immunity and lower stress level in group 3 and 2 indicated beneficial effect ofcustom designed shelter system and chromium propionate supplementation to Karan Fries growing calves. Therefore, micro environment modification by shed along with chromium supplementation can be suggested as an important management practices during heat stress for crossbreed calves.

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Section: Dry Matter Intake Average Daily Gain and Water Intakesupporting

confidence: 91%

Amelioration of adverse effects of heat stress using custom design shelter system and supplementing chromium propionate to growing Karan Fries calves during summer

Singh

RENUKA²,

KUMAR

et al. 2017

Indian J of Anim Sci

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Effects of Supplemental Calcium Propionate and Concentrate Level: Growth Performance, Body Fat Reserves, and Health of High-Risk Beef Calves

Rivera-Villegas,

Carrillo-Muro,

Rodríguez-Cordero

et al. 2024

Veterinary Sciences

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The aim of this study was to examine the impact of daily calcium propionate (CaPr) supplementation (0 or 20 g/calf) on growth performance, dietary energetics, body fat reserves, serum metabolites, and hematological responses in high-risk beef calves fed diets with varying (50, 60, or 70%) concentrate (CON) levels. In addition, a cost/income analysis of CaPr supplementation was carried out. Forty-eight crossbred bull calves (152.8 ± 1.56 kg body weight and 5.5 months of age) were involved in a fully randomized experimental design employing a 2 × 3 factorial arrangement of treatments. Calves were allocated (n = 8 per treatment) to individual pens (3.14 × 5.25 m) and were subjected to one of the following treatments during 42 d: No CaPr supplementation in diets containing 50, 60, or 70% CON (NoCaPr + 50, NoCaPr + 60, NoCaPr + 70, respectively) or daily CaPr supplementation dosed at 20 g/calf in diets containing 50, 60, or 70% CON (20CaPr + 50, 20CaPr + 60, 20CaPr + 70, respectively). Non-supplemented calves exhibited decreased dry matter intake (DMI) with increasing CON levels in their diets, while CaPr-supplemented calves displayed the opposite effect (interaction, p = 0.04). In calves fed a lower-CON diet (50%), those supplemented with CaPr showed greater average daily gain (ADG, 20.2%, p = 0.05) and lower DMI (2.2%, p = 0.03), resulting in improved ADG/DMI ratio, dietary energy, and energy retention (24.6, 14.4, and 18%, p < 0.05). These effects diminished when calves received diets with 60 or 70% CON but led to a 14.2% increase in rump fat thickness (p = 0.04). Only in non-supplemented CaPr calves, increasing the level of CON from 50 to 70% in the diet increased ADG (21.2%), decreased DMI (2.2%), and improved the ADG/DMI ratio (22.7%), with no impact on dietary net energy utilization. Non-supplemented calves exhibited an increase in lymphocytes as CON levels rose in their diets, whereas CaPr-supplemented calves showed the opposite effect (interaction, p = 0.05). Supplementation of CaPr decreased total protein (TP, p = 0.03) and albumin (ALB, p < 0.01) serum concentrations, with lower concentrations observed in 20CaPr + 50. CaPr supplementation reduced (p = 0.01) total cholesterol (TCHO) levels. An interaction between CaPr and CON level (p = 0.02) was observed since TCHO levels remained consistently low at higher CON levels. Glucose was decreased with increasing levels of CON (p = 0.02) but not (p = 0.85) for CaPr-supplemented calves. NoCaPr + 50 and NoCaPr + 70 increased (p = 0.05) ALB concentration. Gamma glutamyltransferase levels increased (p = 0.05) with increasing CON levels irrespective of CaPr supplementation. Comparing the profit within the same CON level in the diet, CaPr treatments yielded higher income, with the largest difference in profit observed when CaPr was supplemented at 50% CON level (USD 29 more/calf). In conclusion, CaPr supplementation proves to be an effective strategy for enhancing growth performance and dietary energy among high-risk beef calves, resulting in greater economic returns. The groups that received CaPr demonstrated superior profitability, particularly in calves fed diets with lower CON levels. Under the conditions in which this experiment was carried out, the optimal response occurred when the low-CON diet (50%) was supplemented with CaPr.

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Influence of Close-Up Starting Programs on Performance of Light-Weight Feedlot Steers Calves during the Early Receiving Period

Cited by 2 publications

References 17 publications

Amelioration of adverse effects of heat stress using custom design shelter system and supplementing chromium propionate to growing Karan Fries calves during summer

Amelioration of adverse effects of heat stress using custom design shelter system and supplementing chromium propionate to growing Karan Fries calves during summer

Effects of Supplemental Calcium Propionate and Concentrate Level: Growth Performance, Body Fat Reserves, and Health of High-Risk Beef Calves

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