Essential Oils Combined with Vitamin D3 or with Probiotic as an Alternative to the Ionophore Monensin Supplemented in High-Energy Diets for Lambs Long-Term Finished under Subtropical Climate
Abstract
:Simple Summary
Abstract
1. Introduction
2. Materials and Methods
2.1. Location Where the Study Was Performed
2.2. Climatic Variables and Temperature Humidity Index (THI) Estimation
2.3. Animals, Treatments, and Experiment Design
2.4. Sample Analysis
2.5. Calculations
Treatments § | ||||
---|---|---|---|---|
Item | CON | MON | EO + D3 | EO + BS |
Ingredient composition, % DM basis | ||||
Dry-rolled corn | 55.00 | 55.00 | 55.00 | 55.00 |
Sudangrass hay | 11.50 | 11.50 | 11.50 | 11.50 |
Soybean meal | 15.00 | 15.00 | 15.00 | 15.00 |
Monensin | 0 | +++ | 0 | 0 |
Essential oils plus 25-Hydroxi-D3 | 0 | 0 | +++ | 0 |
Essential oils plus probiotics | 0 | 0 | 0 | +++ |
Molasses cane | 10.00 | 10.00 | 10.00 | 10.00 |
Zeolite | 2.00 | 2.00 | 2.00 | 2.00 |
Tallow | 4.00 | 4.00 | 4.00 | 4.00 |
Mineral-protein supplement * | 2.50 | 2.50 | 2.50 | 2.50 |
Chemical composition (%DM basis) ‡ | ||||
Dry matter | 88.22 | 88.22 | 88.22 | 88.22 |
Neutral detergent fiber | 15.11 | 15.11 | 15.11 | 15.11 |
Crude protein | 15.43 | 15.43 | 15.46 | 15.43 |
Ether extract | 6.10 | 6.10 | 6.10 | 6.10 |
Calculated net energy (Mcal/kg) ⁋ | ||||
Maintenance | 2.04 | 2.04 | 2.04 | 2.04 |
Gain | 1.40 | 1.40 | 1.40 | 1.40 |
2.6. Carcass Characteristics, Whole Cuts, and Tissue Shoulder Composition
2.7. Visceral Mass Data
2.8. Statistical Analysis
3. Results
3.1. Ambient Temperature
3.2. Additives Intake
3.3. Growth Performance and Dietary Energy
3.4. Carcass and Visceral Mass
4. Discussion
5. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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Week | Mean Ta (°C) | Min Ta (°C) | Max Ta (°C) | Mean RH (%) | Min RH (%) | Max RH (%) | Mean THI | Min THI | Max THI |
---|---|---|---|---|---|---|---|---|---|
1 | 28.7 ± 3.5 | 24.5 ± 5.5 | 33.1 ± 1.6 | 52.2 ± 12.8 | 38.8 ± 6.2 | 65.5 ± 19.4 | 77.7 ± 4.9 | 70.1 ± 6.4 | 85.3 ± 3.4 |
2 | 31.1 ± 3.4 | 27.6 ± 4.4 | 34.5 ± 2.1 | 52.3 ± 13.0 | 40.1 ± 8.4 | 64.6 ± 17.6 | 80.6 ± 4.0 | 74.0 ± 4.7 | 87.2 ± 3.4 |
3 | 30.3 ± 3.0 | 27.1 ± 3.7 | 33.4 ± 2.28 | 55.1 ± 11.2 | 44.3 ± 8.2 | 66.0 ± 14.2 | 79.9 ± 3.8 | 73.9 ± 4.3 | 86.0 ± 3.2 |
4 | 33.1 ± 3.3 | 29.8 ± 4.8 | 36.5 ± 1.8 | 45.4 ± 10.8 | 35.8 ± 6.7 | 54.9 ± 14.9 | 81.9 ± 4.0 | 76.0 ± 5.2 | 87.9 ± 2.7 |
5 | 32.6 ± 3.1 | 28.9± 4.1 | 36.4 ± 2.1 | 54.4 ± 11.1 | 41.3 ± 6.0 | 67.4 ± 16.3 | 83.2 ± 4.2 | 75.8 ± 4.7 | 90.6 ± 3.6 |
6 | 31.1 ± 3.2 | 28.1 ± 3.6 | 34.0 ± 2.8 | 58.4 ± 14.6 | 45.6 ± 12.6 | 71.3 ± 16.7 | 81.5 ± 3.5 | 75.2 ± 3.7 | 87.7 ± 3.4 |
7 | 32.1 ± 3.0 | 28.9 ± 3.3 | 35.2 ± 2.7 | 56.1 ± 12.7 | 43.8 ± 10.1 | 68.4 ± 15.4 | 82.5 ± 3.7 | 76.1 ± 3.4 | 89.0 ± 4.1 |
8 | 33.1 ± 3.0 | 29.8 ± 3.9 | 36.5 ± 2.0 | 49.6 ± 10.4 | 38.5 ± 6.0 | 60.7 ± 14.7 | 82.8 ± 3.5 | 76.3 ± 4.1 | 89.3 ± 2.8 |
9 | 33.1 ± 2.5 | 29.6 ± 3.0 | 36.5 ± 2.1 | 52.4 ± 9.7 | 40.4 ± 6.1 | 64.5 ± 13.3 | 83.3 ± 2.9 | 76.4 ± 3.1 | 90.2 ± 2.6 |
10 | 30.7 ± 3.0 | 26.9 ± 3.2 | 34.51 ± 2.8 | 58.3 ± 11.8 | 44.4 ± 10.1 | 72.2 ± 13.6 | 81.2 ± 3.7 | 73.7 ± 3.7 | 88.7 ± 3.6 |
11 | 30.8 ± 2.7 | 27.1 ± 3.3 | 34.5 ± 2.1 | 59.8 ± 9.8 | 45.9 ± 7.7 | 73.7 ± 11.9 | 81.6 ± 3.2 | 74.1 ± 3.7 | 89.1 ± 2.7 |
12 | 31.5 ± 3.2 | 28.6 ± 3.1 | 34.4 ± 3.3 | 57.5 ± 10.3 | 46.8 ± 7.6 | 68.2 ± 13.0 | 81.9 ± 5.2 | 76.2 ± 3.9 | 87.7 ± 6.5 |
13 | 29.8 ± 2.5 | 27.1 ± 2.8 | 32.5 ± 2.3 | 65.3 ± 10.8 | 53.2 ± 8.4 | 77.4 ± 13.2 | 80.8 ± 2.6 | 75.0 ± 2.8 | 86.6 ± 2.4 |
14 | 30.7 ± 2.6 | 27.9 ± 2.9 | 33.4 ± 2.3 | 64.4 ± 10.6 | 52.4 ± 8.8 | 76.4 ± 12.4 | 81.9 ± 2.9 | 76.1 ± 3.1 | 87.9 ± 2.7 |
15 | 28.9 ± 3.0 | 26.6 ± 2.1 | 31.3 ± 3.9 | 71.4 ± 13.4 | 62.0 ± 15.1 | 80.8 ± 11.7 | 80.2 ± 3.4 | 75.3 ± 1.7 | 85.1 ± 5.1 |
16 | 30.6 ± 3.1 | 27.8 ± 3.2 | 33.5 ± 2.95 | 60.5 ± 11.6 | 48.4 ± 8.5 | 72.5 ± 14.6 | 81.3 ± 4.2 | 75.3 ± 3.7 | 87.4 ± 4.6 |
17 | 31.9 ± 2.5 | 28.8 ± 3.4 | 34.9 ± 1.5 | 53.9 ± 11.7 | 40.3 ± 7.1 | 67.7 ± 16.2 | 82.1 ± 3.7 | 75.5 ± 4.0 | 88.6 ± 3.5 |
Avg | 31.2 ± 3.0 | 27.9 ± 3.5 | 34.4 ± 3.4 | 56.9 ± 11.5 | 44.8 ± 8.4 | 68.9 ± 14.7 | 81.4 ± 3.7 | 74.9 ± 3.9 | 87.9 ± 3.5 |
Treatments † | |||||
---|---|---|---|---|---|
Item | Control | MON | EO + D3 | EO + BS | SEM |
Days on test | 121 | 121 | 121 | 121 | |
Pen replicates | 6 | 6 | 6 | 6 | |
Live weight, kg/d § | |||||
Initial | 17.9 | 18.1 | 17.8 | 18.1 | 0.113 |
Final | 45.8 a | 44.9 a | 47.1 ab | 48.3 b | 0.825 |
Average daily gain, kg/d | 0.231 ab | 0.221 a | 0.242 b | 0.250 b | 0.007 |
Dry matter intake, kg/d | 1.030 a | 0.985 a | 1.033 a | 1.123 b | 0.029 |
Gain to feed ratio, kg/kg | 0.236 a | 0.237 a | 0.246 b | 0.234 a | 0.003 |
Diet net energy, Mcal/kg | |||||
Maintenance | 1.970 a | 1.987 a | 2.035 b | 1.961 a | 0.016 |
Gain | 1.316 a | 1.332 a | 1.375 b | 1.310 | 0.014 |
Observed-to-expected diet NE | |||||
Maintenance | 0.966 a | 0.976 a | 0.999 b | 0.963 a | 0.008 |
Gain | 0.942 a | 0.954 a | 0.985 b | 0.938 a | 0.010 |
Observed-to-expected DMI | 1.046 a | 1.035 a | 1.001 b | 1.051 a | 0.009 |
Treatments † | |||||
---|---|---|---|---|---|
Item | Control | MON | EO + D3 | EO + BS | SEM |
Hot carcass weight, kg | 26.9 ab | 26.6 a | 27.7 ab | 28.1 b | 0.443 |
Dressing percentage | 56.9 | 57.5 | 57.0 | 56.4 | 0.004 |
Cold carcass weight, kg | 26.8 a | 26.5 a | 27.2 ab | 27.9 b | 0.440 |
LM area, cm2 | 16.7 ab | 15.6 a | 17.2 b | 16.5 a | 0.395 |
Fat thickness, cm § | 0.217 | 0.206 | 0.240 | 0.233 | 0.015 |
Kidney pelvic and heart fat, % | 3.61 a | 3.43 a | 2.76 b | 3.55 a | 0.190 |
Carcass yield * | 1.25 | 1.22 | 1.35 | 1.32 | 0.062 |
Shoulder composition, % | |||||
Muscle | 69.58 | 69.62 | 69.51 | 68.78 | 0.645 |
Fat | 12.57 | 12.38 | 12.48 | 13.59 | 0.521 |
Muscle to fat ratio | 5.54 | 5.62 | 5.57 | 5.06 | 0.228 |
Whole cuts (as percentage of CCW) | |||||
Forequarter | 40.59 | 39.83 | 41.10 | 40.67 | 0.692 |
Hindquarter | 37.86 | 37.20 | 37.24 | 37.98 | 0.673 |
Neck | 9.33 | 9.16 | 9.05 | 8.90 | 0.276 |
Shoulder IMPS206 | 7.85 | 7.83 | 8.08 | 7.89 | 0.277 |
Shoulder IMPS207 | 14.54 | 13.98 | 14.22 | 14.24 | 0.239 |
Rack IMPS204 | 6.85 | 6.63 | 6.97 | 6.99 | 0.126 |
Breast IMPS209 | 4.38 | 4.40 | 4.63 | 4.24 | 0.153 |
Ribs IMPS209A | 6.90 | 6.94 | 6.89 | 7.26 | 0.167 |
Loin IMPS231 | 7.20 | 7.28 | 7.36 | 7.39 | 0.170 |
Flank IMPS232 | 6.08 ab | 5.74 a | 6.20 b | 6.38 b | 0.143 |
Leg IMPS233 | 24.54 | 24.16 | 24.62 | 23.55 | 0.497 |
Treatments † | |||||
---|---|---|---|---|---|
Item | Control | MON | EO + D3 | EO + BS | SEM |
GIT fill, kg | 3.44 ab | 2.97 a | 3.54 ab | 3.96 b | 0.317 |
Empty body weight, % of full weight | 92.80 | 93.55 | 92.65 | 92.00 | 0.542 |
Full viscera, kg | 8.00 | 7.51 | 8.08 | 8.54 | 0.276 |
Organs, g/kg of empty body weight | |||||
Stomach complex | 21.83 | 22.77 | 21.60 | 23.91 | 0.751 |
Intestines | 46.02 a | 45.66 ab | 44.07 b | 44.76 b | 0.535 |
Liver/spleen | 14.54 | 14.25 | 15.15 | 15.52 | 0.631 |
Heart/lungs | 19.83 | 19.32 | 18.87 | 19.13 | 0.797 |
Kidney | 2.69 | 2.77 | 2.79 | 2.87 | 0.119 |
Omental fat | 35.17 a | 32.05 b | 26.58 c | 29.37 d | 0.869 |
Mesenteric fat | 10.69 a | 9.46 ab | 8.29 b | 9.51 ab | 0.758 |
Visceral fat | 45.86 a | 41.51 b | 34.87 c | 38.87 b | 1.346 |
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Escobedo-Gallegos, L.d.G.; Estrada-Angulo, A.; Castro-Pérez, B.I.; Urías-Estrada, J.D.; Calderón-Garay, E.; Ramírez-Santiago, L.; Valdés-García, Y.S.; Barreras, A.; Zinn, R.A.; Plascencia, A. Essential Oils Combined with Vitamin D3 or with Probiotic as an Alternative to the Ionophore Monensin Supplemented in High-Energy Diets for Lambs Long-Term Finished under Subtropical Climate. Animals 2023, 13, 2430. https://doi.org/10.3390/ani13152430
Escobedo-Gallegos LdG, Estrada-Angulo A, Castro-Pérez BI, Urías-Estrada JD, Calderón-Garay E, Ramírez-Santiago L, Valdés-García YS, Barreras A, Zinn RA, Plascencia A. Essential Oils Combined with Vitamin D3 or with Probiotic as an Alternative to the Ionophore Monensin Supplemented in High-Energy Diets for Lambs Long-Term Finished under Subtropical Climate. Animals. 2023; 13(15):2430. https://doi.org/10.3390/ani13152430
Chicago/Turabian StyleEscobedo-Gallegos, Lucía de G., Alfredo Estrada-Angulo, Beatriz I. Castro-Pérez, Jesús D. Urías-Estrada, Elizabeth Calderón-Garay, Laura Ramírez-Santiago, Yissel S. Valdés-García, Alberto Barreras, Richard A. Zinn, and Alejandro Plascencia. 2023. "Essential Oils Combined with Vitamin D3 or with Probiotic as an Alternative to the Ionophore Monensin Supplemented in High-Energy Diets for Lambs Long-Term Finished under Subtropical Climate" Animals 13, no. 15: 2430. https://doi.org/10.3390/ani13152430