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Full-Text Articles in Medicine and Health Sciences
Effect Of Organic Zinc Supplementation On Growth, Nutrient Utilization, And Plasma Zinc Status In Lambs, Mokhtar Mallaki, Mohammad Ali Norouzian, Ali Akbar Khadem
Effect Of Organic Zinc Supplementation On Growth, Nutrient Utilization, And Plasma Zinc Status In Lambs, Mokhtar Mallaki, Mohammad Ali Norouzian, Ali Akbar Khadem
Turkish Journal of Veterinary & Animal Sciences
Two experiments were conducted to investigate the effect of supplemental zinc (Zn) on performance, nutrient digestibility, and plasma Zn status in Zandi lambs. In experiment 1, 18 male lambs (BW = 21.30 ± 0.55 kg) were fed a basal diet containing 22.8 mg Zn/kg dry matter (DM) with no supplemental Zn (control) or 20 mg of supplemental Zn/kg of DM from Zn sulfate (ZnS) or Zn peptide (ZnP). Average daily gain and dry matter intake were higher for the lambs fed the diet supplemented with ZnP. Feed conversion ratio was significantly (P < 0.05) lower in the ZnP group compared to the control and ZnS groups. In experiment 2, an in vitro gas production technique was used to evaluate the effects of zinc source on the gas production parameters. Rate of gas production after 6 h and total production of gas after 24 and 48 h did not differ between groups. In vitro DM digestibility, short-chain fatty acids, and ME content were increased (P < 0.05) by ZnP supplementation when compared to the ZnS and control groups. The results of this study showed that feeding ZnP improves performance and digestibility of DM and could result in higher metabolizable energy and short-chain fatty acid yield.
Effect Of Dietary Seaweed (Ulva Lactuca) Supplementation On Growth Performance Of Sheep And On In Vitro Gas Production Kinetics, Ahmed El-Waziry, Ahmed Al-Haidary, Aly Okab, Emad Samara, Khalid Abdoun
Effect Of Dietary Seaweed (Ulva Lactuca) Supplementation On Growth Performance Of Sheep And On In Vitro Gas Production Kinetics, Ahmed El-Waziry, Ahmed Al-Haidary, Aly Okab, Emad Samara, Khalid Abdoun
Turkish Journal of Veterinary & Animal Sciences
This study was carried out to determine the effect of dietary seaweed (Ulva lactuca) supplementation on growth performance of sheep, in vitro gas production, estimated energy, and microbial protein synthesis. A total of 18 Naimey male sheep with average live weight of 22.78 ± 0.24 kg were randomly allocated to 3 groups. Sheep in group 1 were fed a diet containing commercial feed without seaweed as a control diet, sheep in group 2 were fed the control diet with 3% seaweed, and sheep in group 3 were fed the control diet with 5% seaweed. The supplementation of seaweed had no …