Effects of crude glycerin supplementation on performance and meat quality of Holstein bulls fed high-concentrate diets1

Mach, Núria; Bach, À.; Devant, M.

doi:10.2527/jas.2008-0987

Cited by 153 publications

(188 citation statements)

References 17 publications

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“…In studies on finishing steers (Mach et al, 2009;Bartoň et al, 2013) and calves (Ramos and Kerley, 2012), similar carcass traits were described when compared with animals fed a diet without crude glycerin and diets with up to 200 g kg −1 crude glycerin. The values observed for carcass weight and yield agree with the results obtained by Brown et al (2005) for calves slaughtered at the same weight and age as in the present study.…”

Section: Discussionmentioning

confidence: 74%

“…Regarding carcass traits or chemical composition of the R. Bras. Zootec., 45(6): [309][310][311][312][313][314][315][316][317][318]2016 longissimus lumborum area, no significant effects were reported when crude glycerin was included at 300 g kg −1 DM in the finishing diet of steers (Mach et al, 2009;Bartoň et al, 2013;Van Cleef et al, 2014).…”

Section: Introductionmentioning

confidence: 99%

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Performance, rumen development, and carcass traits of male calves fed starter concentrate with crude glycerin

et al. 2016

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-The objective of this study was to assess the effects of including crude glycerin in the diet on intake, performance, rumen development, and carcass traits of dairy crossbred veal calves fed starter concentrate containing 0, 80, 160, and 240 g kg −1 crude glycerin. Twenty-eight calves with an average weight of 38.03±6.7 kg and five days of age were distributed in a completely randomized design with four treatments with seven replications. Calves were individually housed in covered stalls equipped with feeders and drinkers for 56 days. The calf response to inclusion of crude glycerin in the concentrate changed over the weeks and the inclusion level of 240 g kg −1 resulted in greater dry matter intake and average daily gain. There was no effect on the final weight and total weight gain of the animals, with mean values of 73.60 and 35.16 kg, respectively. The weight of the rumen-reticulum adjusted for body weight, empty body weight, and total stomach weight increased linearly with the inclusion of crude glycerin. Blood total protein, globulin, urea, cholesterol, gamma glutamyl transferase, aspartate aminotransferase, and alkaline phosphatase concentrations did not differ among treatments. Carcass traits and meat color were not affected. Crude glycerin can be added to dairy calf starter concentrate up to 240 g kg −1 dry matter because it benefits concentrate intake, performance, and rumen development without affecting animal health.

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Section: Discussionmentioning

confidence: 74%

Section: Introductionmentioning

confidence: 99%

Performance, rumen development, and carcass traits of male calves fed starter concentrate with crude glycerin

et al. 2016

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“…Not only in north-western Europe but also in other regions, the rations fed to lactating dairy cows are generally based on grass silage supplemented with concentrates (Khalili et al, 1997). Glycerine is an energy-rich by-product; the energy content has been estimated to be 16.2 MJ metabolisable energy (ME)/kg (Mach et al, 2009) with glucogenic properties, produced when biodiesel is manufactured from rapeseed oil (Thompson and He, 2006). It can be used as an energy supplement to dairy cows during early lactation (DeFrain et al, 2004;Wang et al, 2009;Carvalho et al, 2010) or mid-lactation (Khalili et al, 1997;Donkin et al, 2009).…”

Section: Introductionmentioning

confidence: 99%

High- and low-purity glycerine supplementation to dairy cows in early lactation: effects on silage intake, milk production and metabolism

Omazic

Tråvén

Bertilsson

et al. 2013

Animal

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This study evaluated the effects of supplemental low-and high-purity glycerine on silage intake, milk yield and composition, plasma metabolites and body condition score (BCS) in dairy cows. A total of 42 cows of the Swedish Red Breed, housed in individual tie stalls, were fed 0.25 kg of low-or high-purity glycerine on top of concentrate, twice daily, during the first 4 weeks of lactation. One-third of the cows acted as controls, receiving no glycerine. Silage was fed for ad libitum intake and concentrate was fed at restricted level of intake, about 6 kg/day for primiparous cows and 7 kg/day for multiparous cows. Feed refusals were weighed daily. Cows were milked twice daily, milk yield was recorded on four occasions per week and milk samples were collected simultaneously. Blood samples were drawn from the coccygeal vessel once a week. Low-and high-purity glycerine had no effect on silage or total dry matter intake (P 5 0.38 and P 5 0.75, respectively) or on BCS (P 5 0.45). Cows fed high-purity glycerine tended to have higher milk yield than control cows (P 5 0.06). Milk composition tended to differ among treatments. No main effects of treatment on concentration of glycerine (P 5 0.44), glucose (P 5 0.78), insulin (P 5 0.33), non-esterified fatty acids (P 5 0.33) and b-hydroxybutyrate (P 5 0.15) in plasma. These data indicate that high-purity glycerine has the potential to increase milk yield, as well as enhance the milk protein concentration and milk fat 1 protein yield.

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“…However, few studies have focused on the potential changes in meat quality and nutritional value brought about by dietary glycerin (Françozo et al, 2013;Bartoñ et al, 2013;Lage et al, 2014b). A potential effect of dietary glycerin for ruminant meat quality is the increased availability of gluconeogenic compounds, which allow for a greater deposition of intramuscular fat (Mach et al, 2009). Krueger et al (2010) demonstrated that the addition of glycerin to ruminant diets alters the meat fatty acid profile because glycerol suppresses ruminal lipolysis.…”

Section: Introductionmentioning

confidence: 99%

Dietary glycerin does not affect meat quality of Ile de France lambs

et al. 2016

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-The objective of this study was to evaluate the physicochemical and nutritional characteristics of meat from three muscles of Ile de France lambs fed diets containing different levels of glycerin as an alternative to corn. Thirty non-castrated feedlot Ile de France lambs weighing 15±0.2 kg were housed in individual pens and slaughtered at 32±0.2 kg. Treatments consisted of three diets: sugarcane + 0% glycerin; sugarcane + 10% glycerin; and sugarcane + 20% glycerin; and three muscles were evaluated: triceps brachii, semimembranosus, and longissimus lumborum. No interactions were observed among glycerin levels and muscle types for the quality characteristics evaluated. Muscles were similar in terms of physicochemical and nutritional characteristics, and only differed in sarcomere length, diameter of muscle fibers, and cholesterol content. Dietary glycerin did not affect pH, water holding capacity (24 h and 30 days after slaughter), weight loss by thawing and cooking, shear force, diameter of muscle fibers, sarcomere length, lipid oxidation, chemical composition, or meat cholesterol content. Dietary glycerin resulted in a linear decrease of muscle yellowness from 3.99 to 3.29. Dietary glycerin altered intramuscular fat fatty acid profile, increasing the concentration of margaric acid (1.47 to 2.61%). Up to 20% glycerin can be included in the diet of feedlot lambs without any harm to meat quality.

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Effects of crude glycerin supplementation on performance and meat quality of Holstein bulls fed high-concentrate diets1

Cited by 153 publications

References 17 publications

Performance, rumen development, and carcass traits of male calves fed starter concentrate with crude glycerin

Performance, rumen development, and carcass traits of male calves fed starter concentrate with crude glycerin

High- and low-purity glycerine supplementation to dairy cows in early lactation: effects on silage intake, milk production and metabolism

Dietary glycerin does not affect meat quality of Ile de France lambs

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