Wagyu–Angus cross improves meat tenderness compared to Angus cattle but unaffected by mild protein restriction during late gestation

Liu, X.D.; Moffitt-Hemmer, Natasha; Deavila, J.M.; Li, A.N.; Tian, Qiyu; Bravo-Iniguez, A.; Chen, Yanting; Zhao, Liang; Zhu, Mei‐Jun; Neibergs, J. Shannon; Busboom, J. R.; Tibary, Ahmed; Du, Min

doi:10.1016/j.animal.2020.100144

Cited by 10 publications

(7 citation statements)

References 23 publications

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“…There are limited reports of progeny carcass responses to gestational MP restriction in beef cattle. The restriction of MP during late gestation [ 14 ] was evaluated in beef cattle, with no major effect on beef quality. Gestational MP restriction in ewes during late gestation [ 12 ] did not affect the carcass traits of progeny.…”

Section: Discussionmentioning

confidence: 99%

“…Metabolizable protein (MP) is true protein absorbed in the intestine, consisting of microbial protein and ruminally undegraded protein sources (RUP). Although MP has been utilized for over 20 years to define protein requirements of beef cattle [ 11 ], limited data (e.g., [ 12 , 13 , 14 , 15 , 16 ]) are available on the effect of a MP restriction during gestation and the subsequent developmental programming effect.…”

Section: Introductionmentioning

confidence: 99%

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Influence of Maternal Protein Restriction in Primiparous Beef Heifers during Mid- and/or Late-Gestation on Progeny Feedlot Performance and Carcass Characteristics

Block

Webb

Underwood

et al. 2022

Animals

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This study investigated the impacts of metabolizable protein (MP) restriction in primiparous heifers during mid- and/or late-gestation on progeny performance and carcass characteristics. Heifers were allocated to 12 pens in a randomized complete block design. The factorial treatment structure included two stages of gestation (mid- and late-) and two levels of dietary protein (control (CON); ~101% of MP requirements and restricted (RES); ~80% of MP requirements). Half of the pens on each treatment were randomly reassigned to the other treatment at the end of mid-gestation. Progeny were finished in a GrowSafe feeding system and carcass measurements were collected. Gestation treatment x time interactions indicated that MP restriction negatively influenced heifer body weight (BW), body condition score, and longissimus muscle (LM) area (p < 0.05), but not fat thickness (p > 0.05). Treatment did not affect the feeding period, initial or final BW, dry matter intake, or average daily gain of progeny (p > 0.05). The progeny of dams on the RES treatment in late gestation had a greater LM area (p = 0.04), but not when adjusted on a hot carcass weight basis (p > 0.10). Minimal differences in the animal performance and carcass characteristics suggest that the level of MP restriction imposed during mid- and late-gestation in this study did not have a significant developmental programming effect.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Influence of Maternal Protein Restriction in Primiparous Beef Heifers during Mid- and/or Late-Gestation on Progeny Feedlot Performance and Carcass Characteristics

Block

Webb

Underwood

et al. 2022

Animals

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“…Bos taurus cattle generally have higher IMF contents than Bos indicus cattle ( Teixeira et al., 2017 , Flowers et al., 2018 ). For instance, the IMF content of Hereford (8.3%) ( Greenwood et al., 2015 ) and Angus (6.5-7.5%) ( Liu et al., 2021 , Detweiler et al., 2019 ) is higher than that of Brahman and Nellore, which is mostly lower than 5% ( Cesar et al. 2014 , Miguel et al.…”

Section: Genetic Factorsmentioning

confidence: 98%

“…(2011) Wagyu crossbred Steer 167 Feedlot 25 731.4 27.8 Connolly et al. (2020) Wagyu × Angus Mixed 17 Feedlot NP 576.5 10.0 Liu et al. (2021) Wagyu × Friesian Heifer 58 Forage only 26-30 483 7.5 Burggraaf et al.…”

Section: Genetic Factorsmentioning

confidence: 99%

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Main regulatory factors of marbling level in beef cattle

Nguyen

Malau‐Aduli

2021

Veterinary and Animal Science

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The content of intramuscular fat (IMF), that determines marbling levels is considered as one of the vital factors influencing beef sensory quality including tenderness, juiciness, flavour and colour. The IMF formation in cattle commences around six months after conception, and continuously grows throughout the life of the animal. The accumulation of marbling is remarkably affected by genetic, sexual, nutritional and management factors. In this review, the adipogenesis and lipogenesis process regulated by various factors and genes during fetal and growing stages is briefly presented. We also discuss the findings of recent studies on the effects of breed, gene, heritability and gender on the marbling accumulation. Various research reported that feeding during pregnancy, concentrate to roughage ratios and the supplementation or restriction of vitamin A, C, and D are crucial nutritional factors affecting the formation and development of IMF. Castration and early weaning combined with high energy feeding are effective management strategies for improving the accumulation of IMF. Furthermore, age and weight at slaughter are also reviewed because they have significant effects on marbling levels. The combination of several factors could positively affect the improvement of the IMF deposition. Therefore, advanced strategies that simultaneously apply genetic, sexual, nutritional and management factors to achieve desired IMF content without detrimental impacts on feed efficiency in high-marbling beef production are essential.

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Influence of Canadian beef quality grade and method of intramuscular connective tissue isolation on collagen characteristics of the bovine longissimus thoracis

et al. 2022

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Wagyu–Angus cross improves meat tenderness compared to Angus cattle but unaffected by mild protein restriction during late gestation

Cited by 10 publications

References 23 publications

Influence of Maternal Protein Restriction in Primiparous Beef Heifers during Mid- and/or Late-Gestation on Progeny Feedlot Performance and Carcass Characteristics

Influence of Maternal Protein Restriction in Primiparous Beef Heifers during Mid- and/or Late-Gestation on Progeny Feedlot Performance and Carcass Characteristics

Main regulatory factors of marbling level in beef cattle

Influence of Canadian beef quality grade and method of intramuscular connective tissue isolation on collagen characteristics of the bovine longissimus thoracis

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