Effect of Natural Feed Supplement on Methane Mitigation Potential and Performance in Holstein Bull Calves

Brand, Tassilo; Miller, M.; Kand, Deepashree

doi:10.4236/ojas.2021.112017

Cited by 4 publications

(3 citation statements)

References 19 publications

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“…The supplement was mixed into the morning concentrate allocation, which is consistent with the current study; however, the same effect on CH 4 production was not observed, whereby, GAR did not mitigate CH 4 production. No difference was observed in CH 4 production when supplementing GAR at 0%, 10%, and 20% in vitro ( Ahmed et al., 2021b ); however, a reduction of 23% was observed in dairy calves ( Brand et al., 2021 ) and beef steers ( Roque et al., 2019 ) when GAR was included at rates of 4 g and 15 g/animal/d, respectively. Feeding GAR to feedlot steers (15 g/steer/d) only showed a reduction in CH 4 after 9 wk of supplementation ( Roque et al., 2019 ).…”

Section: Discussionmentioning

confidence: 98%

“…Additionally, other natural feed supplements, such as garlic and citrus extracts ( GAR ), differing blends of essential oils ( EO ), and seaweed species have been assessed for their methane-inhibiting potential. For example, allicin, the primary bioactive compound in garlic as well as polyphenols derived from citrus extracts are known for their antimicrobial and antiviral activities ( Brand et al., 2021 ). GAR have shown variable results in terms of CH 4 reduction ( Roque et al., 2019 ; Ahmed et al., 2021b ; Brand et al., 2021 ).…”

Section: Introductionmentioning

confidence: 99%

“…For example, allicin, the primary bioactive compound in garlic as well as polyphenols derived from citrus extracts are known for their antimicrobial and antiviral activities ( Brand et al., 2021 ). GAR have shown variable results in terms of CH 4 reduction ( Roque et al., 2019 ; Ahmed et al., 2021b ; Brand et al., 2021 ). The use of a commercially available extracted plant essential oil blend (coriander seed oil, eugenol, geranyl acetate and geraniol plus fumaric acid as a preservative) enhances productivity in dairy cows and beef heifers but results concerning its anti-methanogenic potential to-date are inconsistent ( Castro-Montoya et al., 2015 ; Belanche et al., 2020 ) and its mode of action is not yet evident ( Hegarty et al., 2021 ).…”

Section: Introductionmentioning

confidence: 99%

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Enteric methane emission reduction potential of natural feed supplements in ewe diets

Roskam,

O’Donnell,

Hayes

et al. 2024

Journal of Animal Science

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Research into the potential use of various dietary feed supplements to reduce methane (CH4) production from ruminants has proliferated in recent years. In this study, two 8-week long experiments were conducted with mature ewes and incorporated the use of a variety of natural dietary feed supplements offered either independently or in combination. Both experiments followed a randomised complete block design. Ewes were offered a basal diet in the form of ad libitum access to grass silage supplemented with 0.5 kg concentrates/ewe/day. The entire daily dietary concentrate allocation, incorporating the respective feed supplement, was offered each morning, and this was followed by the daily silage allocation. In experiment 1, the experimental diets contained, 1) no supplementation (CON), 2) Ascophyllum nodosum (SW), 3) A. nodosum extract (EX1), 4) a blend of garlic and citrus extracts (GAR) and 5) a blend of essential oils (EO). In experiment 2, the experimental diets contained, 1) no supplementation (CON), 2) A. nodosum extract (EX2), 3) soya oil (SO) and 4) a combination of EX2 and SO (EXSO). Twenty ewes per treatment were individually housed during both experiments. Methane was measured using portable accumulation chambers. Rumen fluid was collected at the end of both experiments for subsequent volatile fatty acid (VFA) and ammonia analyses. Data were analysed using mixed models ANOVA (PROC MIXED, SAS v9.4.). Statistically significant differences between treatment means were considered when P < 0.05. Dry matter intake was not affected by diet in either experiment (P > 0.05). Ewes offered EO tended to have increased feed:gain ratio relative to CON (P < 0.10) and SO tended to increase average daily gain (P < 0.10) which resulted in animals having a higher final body weight (P < 0.05) than CON. Ewes offered EX1 and SO emitted 9% less CH4 g/day than CON. The only dietary treatment to have an effect on rumen fermentation variables relative to CON was SW, which enhanced total VFA production (P < 0.05). In conclusion, the A. nodosum extract had inconsistent results on CH4 emissions whereby EX1 reduced CH4 g/d while EX2 had no mitigating effect on CH4 production, likely due to the differences in PT content reported for EX1 and EX2. Soya oil was the only dietary feed supplement assessed in the current study that enhanced animal performance whilst mitigating daily CH4 production.

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Section: Discussionmentioning

confidence: 98%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Enteric methane emission reduction potential of natural feed supplements in ewe diets

Roskam,

O’Donnell,

Hayes

et al. 2024

Journal of Animal Science

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Flavonoids from citrus peel display potential synergistic effects on inhibiting rumen methanogenesis and ammoniagenesis: a microbiome perspective

Yu,

Zhao,

et al. 2024

Environ Sci Pollut Res

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Enteric methane emissions, growth, and carcass characteristics of feedlot steers fed a garlic- and citrus-based feed additive in diets with three different forage concentrations

Bitsie

Osorio

Henry

et al. 2022

Journal of Animal Science

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One hundred and forty-four Angus x Simmental steers were allotted by body weight (BW; 363 kg), breed composition, and farm origin to a 3 x 2 factorial arrangement of 6 treatments (4 pens per treatment) to determine the effect of Mootral (garlic + citrus extract; 0.25% of the diet DM vs. 0.0%) on methane emissions, growth and carcass characteristics of feedlot cattle. During the first 84 days, cattle were fed three different forage concentrations in the diet (15, 41.5, or 68% corn silage) with or without Mootral. From day 85 to slaughter, corn silage was included at 15% of the diet DM with or without Mootral. Methane emissions were measured on day 42 to 46 and day 203 to 207. Data were analyzed using the GLIMMIX procedure of SAS. Mootral did not affect methane emissions on days 42 to 46 (P ≥ 0.47), but there was a forage effect, where steers fed the 68% corn silage emitted more methane on a g/d (P = 0.05) and a g/kg of DMI (P = 0.007) basis and tended (P = 0.07) to produce more methane on g/kg BW basis compared to steers fed the 15% corn silage diet. On d 203 to 207, steers fed Mootral emitted less (P ≤ 0.03) methane on a g/d, g/kg DMI, and g/kg BW basis compared to steers not fed Mootral. There was an interaction (P = 0.03) between forage concentration and Mootral for DMI from d 0 to 84, where Mootral decreased DMI of steers fed 15% corn silage but did not affect DMI of steers fed 41.5 or 68% corn silage. There were no effects (P ≥ 0.22) of forage concentration or Mootral on BW or average daily gain at any time, or on DMI from d 84 to slaughter and overall. However, overall calculated NEm and NEg tended to be greater for steers fed Mootral (P ≤ 0.10). Intake from d 0-84 was lower and gain:feed from d 0-84 and overall was greater (P = 0.04) for steers fed 68% compared to steers fed 41.5% corn silage. Calculated NEm and NEg from day 0 to 84 and overall were greater for steers fed 68% corn silage compared to steers fed 41.5% corn silage (P ≤ 0.03). Mootral tended to decrease (P ≤ 0.09) fat thickness and yield grade. In conclusion, increasing forage concentration increased methane emissions and Mootral decreased methane production in 15% corn silage diets and tended to improve carcass leanness.

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Effect of Natural Feed Supplement on Methane Mitigation Potential and Performance in Holstein Bull Calves

Cited by 4 publications

References 19 publications

Enteric methane emission reduction potential of natural feed supplements in ewe diets

Enteric methane emission reduction potential of natural feed supplements in ewe diets

Flavonoids from citrus peel display potential synergistic effects on inhibiting rumen methanogenesis and ammoniagenesis: a microbiome perspective

Enteric methane emissions, growth, and carcass characteristics of feedlot steers fed a garlic- and citrus-based feed additive in diets with three different forage concentrations

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