Crude glycerin is an efficient alternative to corn in the diet of feedlot lambs

Merlim, Fernada Almeida; Sobrinho, Américo Gárcia da Silva; Borghi, Thiago Henrique; Cirne, Luís Gabriel Alves; Valença, Roberta de Lima; Almeida, Fabiana Alves de; Endo, Viviane; Viegas, Carlos Renato; Zeola, Nívea Maria Brancacci Lopes

doi:10.5194/aab-64-387-2021

Cited by 4 publications

(2 citation statements)

References 12 publications

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“…Other studies indicated that the effect of glycerol on the performance and productivity of cows depends on the level and purity of glycerol added to the feed (19,26,45). Despite those and other studies that indicated the importance and role of glycerol in enhancing cow productivity, they did not indicate the qccurate level of dietary glycerol (33). The aim of this study was to study the effect of adding different levels of dietary pure glycerol on the production and components of milk and some blood parameters.…”

Section: Introductionmentioning

confidence: 90%

Effect of Glycerol on Milk Yield, Its Quality and Blood Parameters of Holstein Cows

W.A. Khalid,

N.N. Al-Anbari

2023

Iraqi J. Agric. Sci.

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The aim of this study was to investigate the effect of adding glycerol at different levels (T1 = control treatment without glycerol, T2 = 75 ml and T3 = 150 ml glycerol) on daily milk yield, milk components and some blood parameters of Holstein cows during the period of 60 days. Milk yield increased significantly (P≤0.05) at 15th day of the experiment, and highly significant (P≤0.01) at 30th and 60th days of the experiment in T3 group. Percentage of milk protein and lactose increased (P≤0.01) in T2 and T3 groups and the percentage of milk fat in the T3 group decreased at day 60 of the experiment. The blood glucose concentration increased (P≤0.01) in T2 and T3 groups at 30 and 60 days of the experiment. Triglyceride concentration increased (P≤0.01) in the blood of T2 and T3 treated cows at day 60. The concentration of cholesterol, NEFA and BHBA decreased (P≤0.01) in T3 treated cows at day 60 of the experiment. The concentration of phosphorous and magnesium were also affected as a result of glycerol treatment. It can be concluded that the addition of dietary glycerol 150 ml / day enhanced milk yield, protein and lactose percentage, and improved blood parameters by increasing blood glucose and reducing NEFA and BHBA concentrations of Holstein cows.

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Section: Introductionmentioning

confidence: 90%

Effect of Glycerol on Milk Yield, Its Quality and Blood Parameters of Holstein Cows

W.A. Khalid,

N.N. Al-Anbari

2023

Iraqi J. Agric. Sci.

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“…Among the products that have been most tested in this regard in recent years is glycerin. Several studies have investigated the effects of glycerol on production parameters in dairy cows [4], beef cattle [5], goats [6], and lambs [7]. However, studies on its effects on reproduction, especially in goats, remain scarce.…”

Section: Introductionmentioning

confidence: 99%

Effect of Short-Term Glycerin Supplementation on Follicle Dynamics and Pregnancy Rate in Goats

da Silva,

Fernandes,

Alves

et al. 2023

Ruminants

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We investigated the effects of short-term glycerin supplementation on follicular dynamics and pregnancy rates. Twenty-five goats with synchronized estrus and follicular waves with three injections of a prostaglandin analog every 7 days were used. Two days after the second injection, 13 goats were randomly chosen to receive an oral drench of 200 mL of glycerin (glycerin group [GG], n = 13) for 6 days, whereas the remaining 12 animals received an oral drench of saline (control group [CG], n = 12). At 24 and 48 h after the third injection, the goats mated. The animals were kept in a collective stall and received the same diet. The GG had higher blood glucose levels during the supplementation period than the CG (76.4 ± 1.9 vs. 50.3 ± 0.7 mg/dL; p < 0.01). The glycemic peak was recorded 4 h after the glycerin administration (102.3 ± 5.1 mg/dL) and remained higher than that in the CG 8 and 12 h later. The GG goats had a higher rectal temperature, heart rate, and respiratory rate than the CG goats and showed an increase in these parameters 4, 8, and 12 h after glycerin drenching. The GG animals also exhibited increased stress, urination, and drinking behaviors and reduced rumination. The ultrasonographic analysis showed a higher number of follicles with a diameter >4 mm (p < 0.05) and a greater follicular diameter (p < 0.01) in the waves before and after ovulation induction. The pregnancy and twinning rates and litter size at parturition were not different between the groups. Short-term supplementation with glycerin positively affects ovarian stimulation but has no effect on the reproductive response after mating.

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Partial replacement of corn grain with levels of crude glycerin on feed intake, digestibility, ruminal fermentation, nitrogen utilization, and performance of feedlot lambs

Filho,

Rebelo,

Zanchetin

et al. 2024

Trop Anim Health Prod

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Crude glycerin is an efficient alternative to corn in the diet of feedlot lambs

Cited by 4 publications

References 12 publications

Effect of Glycerol on Milk Yield, Its Quality and Blood Parameters of Holstein Cows

Effect of Glycerol on Milk Yield, Its Quality and Blood Parameters of Holstein Cows

Effect of Short-Term Glycerin Supplementation on Follicle Dynamics and Pregnancy Rate in Goats

Partial replacement of corn grain with levels of crude glycerin on feed intake, digestibility, ruminal fermentation, nitrogen utilization, and performance of feedlot lambs

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