The effects of supplementation methods and length of feeding of zilpaterol hydrochloride on meat characteristics of fattening lambs

Vahedi, Vahid; Towhidi, Armin; Hedayat-Evrigh, Nemat; Motlagh, Mahdi Khodaei; Ponnampalam, Eric N.

doi:10.1016/j.smallrumres.2015.08.018

Cited by 5 publications

(3 citation statements)

References 20 publications

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“…The authors classified carcasses by LM area and noted a significant increase in the percentage of carcasses with greatest LM area category when ZH was fed, and those carcasses with the highest LM area category increased linearly as duration of ZH feeding increased. In agreement with our results, Vahedi et al [30] reported no differences in drip loss, cooling loss, and T • at 24 h postmortem in LM muscle of lambs fed ZH, independently of the feeding program applied. The effect on carcass weight loss could be due to an acute reduction in carcass fat content [7].…”

Section: Discussionsupporting

confidence: 93%

Effect of Zilpaterol Hydrochloride on Performance and Meat Quality in Finishing Lambs

et al. 2020

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Twenty-four Dorper x Pelibuey lambs were housed in individual pens during a 31-d feeding period and assigned to four treatments (n = 6) under a randomized complete block design with different daily doses of zilpaterol hydrochloride (ZH): 0 (control), 0.1, 0.2, and 0.3 mg/kg BW to determine the effects of ZH supplementation on productive performance, meat quality, and wholesale cut yields. Final BW (p = 0.02) and average daily gain (ADG, p = 0.04) were greater in lambs supplemented with 0.2 mg/kg BW. Supplemental ZH tended to improve dry matter intake (DMI, p = 0.008) and ADG:DMI ratio (p = 0.078). Wholesale cut yields were not affected by ZH supplementation. Percentage of head was greater (p = 0.04) in lambs treated with ZH. The ZH supplementation did not affect carcass characteristics. However, longissimus thoracis et lumborum (LTL) presented a linear trend (p = 0.08) of increasing with ZH supplementation. Percentage of blood presented a trend (p = 0.051) of decreasing with ZH supplementation. Also, liver decreased in size (p < 0.05) for treatments where ZH was included. Values of luminosity decreased (p < 0.02) when ZH dosage increased. The value of protein Lowry was greater, with 0.3 mg kg−1 (p = 0.04). Cathepsin B + L was greater in the lambs from the control treatment (p = 0.05). In conclusion, using a daily ZH dosage of 0.2 mg per kg of BW produced the best productive performance, carcass characteristics, and some changes in the meat of hair-breed lambs.

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Section: Discussionsupporting

confidence: 93%

Effect of Zilpaterol Hydrochloride on Performance and Meat Quality in Finishing Lambs

et al. 2020

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“…As observed in the present study, increases in hot carcass weight, dressing percentage, and LM area, with reductions in fat thickness and KPH, are consistent responses to ZH supplementation [19,20,61]. However, several factors may influence the magnitude of responses when ZH is supplemented, including dose [7,62], supplementation period [63], withdrawal period [64], gender [65], slaughter weight [66], and ZH type (patented or generic [19]. Enhancement in carcass characteristics in the present study may be attributable to increased LM muscle IGF1 expression, and ZH supplementation did not affect IGF2 and mTOR expression.…”

Section: Discussionsupporting

confidence: 86%

Influences of a Supplemental Blend of Essential Oils Plus 25-Hydroxy-Vit-D3 and Zilpaterol Hydrochloride (β2 Agonist) on Growth Performance and Carcass Measures of Feedlot Lambs Finished under Conditions of High Ambient Temperature

Estrada-Angulo,

Verdugo-Insúa,

Escobedo-Gallegos

et al. 2024

Animals

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Forty-eight Pelibuey × Katahdin male intact lambs (25.12 ± 3.79 kg LW) were used in a 70-d growing-finishing trial. Dietary treatments consisted of total mixed corn-based diet supplemented with: (1) no feed additives (Control); (2) 150 mg of essential oils blend plus 0.10 mg of 25-hydroxy-Vit-D3/kg diet offered throughout the 70-d experimental period (EOD3); (3) Control diet fed during the first 35 days and zilpaterol hydrochloride (ZH) supplementation at 6 mg/kg diet offered during the final 35 days of the experiment (32 days with ZH with a withdrawal 3-d before harvest), and (4) basal diet supplemented with EOD3 during first 35 days finishing, and EOD3 in combination with ZH (EOD3 + ZH) during the subsequent 32-days with ZH withdrawal 3 days before harvest. The temperature–humidity index during the experiment averaged 80.4 ± 3.2. There were no treatment interactions (p > 0.20) on growth performance and carcass measures. Supplemental EOD3 did not affect (p = 0.43) dry matter intake (DMI), but increased (p < 0.01) carcass adjusted average daily gain (ADG, 9.2%), gain efficiency (GF, 6.7%), and observed vs. expected dietary net energy for maintenance (NEm, 4.8%) and for gain (NEg, 6.4%). Supplemental ZH did not affect dry matter intake (DMI, p = 0.50) but increased (p < 0.01) carcass adjusted ADG (14.5%), GF (13%) and observed vs. expected dietary NEm (9%) and NEg (11.7%). Compared to control lambs, the combination of both additives increased ADG (24.9%), GF (21.2%), and observed vs. expected dietary NEm and NEg (14.2% and 18.9%, respectively). There were no treatment interactions on carcass characteristics, visceral organ mass, or on gene expression of IGF1, IGF2 and mTOR in longissimus muscle (LM). Supplemental EOD3 increased hot carcass weight (HCW; 4.0%, p < 0.01) but did not affect other carcass measures. Supplemental EOD3 decreased (3%, p = 0.03) intestine mass weight (g intestine/kg empty body weight). Supplemental ZH increased HCW (6%, p < 0.01), dressing percentage (1.7%, p = 0.04), and LM area (9.7%, p < 0.01), and decreased kidney-pelvic-fat percentage (16.2%, p < 0.01), fat thickness (14.7%, p = 0.03), and visceral fat. Compared to controls, the combination of EOD3 with ZH increased HCW (10.2%). It is concluded that growth performance responses to supplemental EOD3 and ZH are additive. Both supplements can be fed in combination without detrimental effects on expected benefits when fed separately. In addition, ZH supplementation improves carcass traits.

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“…Specialised feeds and mixed rations that contain oilseeds and oilseed meals, such as from flax, canola, and camelina, can increase linolenic acid and longer-chain ω-3 FA concentrations of the meat [ 14 , 65 ]. Furthermore, feeding marine-based products such as seaweeds, algae, fishmeal, and fish oil as supplements in sheep diets mainly increase concentrations of longer-chain ω-3 FAs of C20:5n-3, C22:5n-3, and C22:6n-3 in muscle tissues [ 16 , 62 , 66 , 67 , 68 ]. All these factors show how the changes caused by different basal diets and supplement combinations can develop different flavours, aromas, or taints reported in Section 2.1.1 , due to cooking or other oxidation processes associated with storage conditions and the storage length of meat.…”

Section: Nutritional Effects On the Meat Of Sheep Goats And Cattlementioning

confidence: 99%

Effects of Nutritional Factors on Fat Content, Fatty Acid Composition, and Sensorial Properties of Meat and Milk from Domesticated Ruminants: An Overview

Ponnampalam,

Priyashantha,

Vidanarachchi

et al. 2024

Animals

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The meat and milk products from domesticated ruminants are important foods within a balanced diet, offering a rich source of energy, protein, fats, minerals, and vitamins. The sensorial properties of meat and milk are mainly linked to their fat content and fatty acid composition, which are influenced by the feeding background or nutrient composition of diets. While several studies have investigated the nutritional effects on the fat content and fatty acid profile of ruminant meat and milk, as well as their relationship with sensorial properties, a comprehensive overview of these effects is lacking. This paper summarises current literature and discusses changes to fatty acid composition (including ω-3 concentrations), fattiness, and associated quality traits of sheep, goat, beef cattle, alpaca, and llama meat that can be achieved by using different forages or feeds in a total mixed ration. Additionally, it presents the shelf life and nutritional value of meat, milk, and cheeses from the milk of dairy cattle, buffalo, goats, and sheep as influenced by a ruminant diet. Further advancement in these areas will promote the sustainability of ruminant production and its associated feeding systems in achieving premium quality animal-derived foods.

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The effects of supplementation methods and length of feeding of zilpaterol hydrochloride on meat characteristics of fattening lambs

Cited by 5 publications

References 20 publications

Effect of Zilpaterol Hydrochloride on Performance and Meat Quality in Finishing Lambs

Effect of Zilpaterol Hydrochloride on Performance and Meat Quality in Finishing Lambs

Influences of a Supplemental Blend of Essential Oils Plus 25-Hydroxy-Vit-D3 and Zilpaterol Hydrochloride (β2 Agonist) on Growth Performance and Carcass Measures of Feedlot Lambs Finished under Conditions of High Ambient Temperature

Effects of Nutritional Factors on Fat Content, Fatty Acid Composition, and Sensorial Properties of Meat and Milk from Domesticated Ruminants: An Overview

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