Influence of Supplemental Feeding on Body Condition Score and Reproductive Performance Dynamics in Botosani Karakul Sheep
Abstract
:1. Introduction
2. Materials and Methods
2.1. Study Area
2.2. Animals and Data Management
2.3. Traits
2.4. Statistical Data Processing
3. Results
3.1. Impact of Supplementary Feeding on Body Condition and Live Weight
3.2. Impact of Supplementary Feeding on Ovulation Rate and on Some Reproduction Characters
Impact of Supplementary Feeding on Reproduction Traits
3.3. Evaluation of Relation between Ewes’ Body Condition and Live Weight of Lambs at Lambing and Weaning
3.4. Effect of Supplementary Feeding on the Economical Results
4. Discussions
4.1. Effect of Supplementary Feeding on Ewes’ Body Condition and Live Weight
4.2. Effect of Supplementary Feeding on Sexual Cycle and Ovulation Rate
4.3. Effect of Supplementary Feeding on Reproductive Indices
4.4. Effect of Body Condition on Lambs Weight at Lambing and Weaning
5. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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Feedstuffs Assortment | MU | Diet Provided before Mating and during the 1st Part of Gestation (First 3 Months) | Flushing Diet | Diet during the 2nd Part of Gestation | Diet during the Lactation Period | |||
---|---|---|---|---|---|---|---|---|
4th Gestational Month | 5th Gestational Month | 1st–2nd Lactation Months | 3rd Lactation Month | 4th Lactation Month | ||||
Pasture | Kg | 7.5 | 6 | 7.5 | - | - | - | 5.833 |
Alfalfa hay | Kg | - | - | - | 0.2 | 0.44 | 0.711 | - |
Grasses hay | Kg | - | - | - | 0.5 | 0.5 | 0.915 | - |
Wheat straw | Kg | - | - | - | 0.33 | 0.611 | 0.3 | - |
Barley | Kg | - | 0.04 | - | 0.36 | 0.05 | - | - |
Oat | Kg | - | 0.03 | - | 0.05 | - | - | |
Corn | Kg | - | 0.05 | - | 0.1 | - | - | |
Sunflower meal | Kg | - | 0.03 | - | 0.113 | 0.2 | - | - |
Salt | Kg | - | - | - | 0.001 | 0.001 | 0.001 | - |
Nutritional value | ||||||||
Dry matter | G | 1077 | 1200 | 1200 | 1300 | 1687 | 1657 | 1225 |
Crude protein | G | 199.81 | 225 | 225 | 160 | 215 | 195 | 175 |
NEM (Net energy for milk production) | MJ | 7.47 | 8.59 | 8.23 | 7.0 | 8.2 | 7.71 | 7.65 |
Gross fibre | G | 225 | 177 | 225 | 304 | 481 | 537 | 292 |
Ca | G | 6.09 | 7.5 | 7.5 | 8.137 | 12.662 | 18.746 | 8.167 |
P | G | 3.65 | 3.75 | 3.75 | 4.348 | 5.215 | 4.0 | 4.083 |
Ca/P Ratio | 1.67:1 | 2:1 | 2:1 | 1.87:1 | 2.43:1 | 4.69:1 | 2:1 | |
Na | g | 1.18 | 1.42 | 1.425 | 1500 | 1.5 | 1.5 | 1.458 |
Mg | g | 1.5 | 1.5 | 1.5 | 2.716 | 3.862 | 3.551 | 1.75 |
Assessment Moment | Trait | L1 | L2 | p-Value | ||
---|---|---|---|---|---|---|
Mean | ±St. Dev | Mean | ±St. Dev | |||
Mating | BCS (points) | 2.48 | 0.059 | 2.79 | 0.054 | 0.1960 |
LW (kg) | 46.61 a | 5.484 | 49.02 c | 5.049 | 0.0014 | |
Weaning | BCS (points) | 2.21 | 0.054 | 2.57 | 0.063 | 0.7713 |
LW (kg) | 45.09 a | 5.666 | 47.44 c | 5.514 | 0.0032 |
BCS | Pregnancy Rate, Lambing, and Weaning (n) | ||||||
---|---|---|---|---|---|---|---|
Total (%) | 1st Service | 2nd Service | 3nd Service and More | Abortion | Lambing | Weaning | |
Group L1 | |||||||
1 | 3 | 1 | 1 | 1 | 2 | 1 | 0 |
1.5 | 6 | 2 | 2 | 2 | 3 | 3 | 2 |
2 | 27 | 19 | 5 | 3 | 0 | 30 | 22 |
2.5 | 28 | 23 | 3 | 2 | 0 | 32 | 27 |
3 | 31 | 20 | 8 | 3 | 0 | 35 | 28 |
3.5 | 3 | 1 | 1 | 1 | 0 | 2 | 2 |
4 | 2 | 1 | 1 | 0 | 0 | 2 | 0 |
4.5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Total (n) | 100 | 67 | 21 | 12 | 5 | 103 | 97 |
Group L2 | |||||||
1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
1.5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
2 | 16 | 12 | 2 | 2 | 1 | 20 | 17 |
2.5 | 33 | 28 | 3 | 2 | 0 | 41 | 38 |
3 | 36 | 32 | 3 | 1 | 0 | 43 | 43 |
3.5 | 8 | 5 | 2 | 1 | 0 | 12 | 12 |
4 | 7 | 5 | 1 | 1 | 1 | 6 | 5 |
4.5 | 2 | 1 | 1 | 0 | 0 | 1 | 1 |
Total (n) | 100 | 82 | 11 | 7 | 2 | 123 | 116 |
Groups | Fecundity, % | Prolificacy, % | Fertility Rate, % | Lambing Rate, % | Weaning Rate, % | Abortion, % | Pregnancy, % |
---|---|---|---|---|---|---|---|
L1 | 95 | 104 | 95 | 96 | 94.1 | 3 | 97 |
L2 | 97 | 123 | 97 | 98 | 94.3 | 2 | 98 |
Group | Characters | Body Condition Score (Points) | ||||
---|---|---|---|---|---|---|
2 | 2.5 | 3 | 3.5 | 4 | ||
L1 | LLW | 4.57 ± 0.06 | 4.80 ± 0.07 | 5.08 ± 0.06 | 4.90 ± 0.10 | 0 |
WLW | 20.78 a ± 0.26 | 21.09 a ± 0.20 | 21.53 a ± 0.17 a | 21.77 a ± 0.12 | 0 | |
LLW/LE | 5.13 | 5.53 | 5.89 | 4.90 | 0 | |
WLW/LE | 16.93 | 20.33 | 19.44 | 21.77 | 0 | |
WLW/MWE | 1.30 | 1.23 | 1.24 | 1.22 | 0 | |
L2 | LLW | 4.62 ± 0.06 | 4.84 ± 0.06 | 5.21 ± 0.06 | 5.03 ± 0.09 | 5.10 ± 0.13 |
WLW | 22.28 c ± 0.14 p = 0.0051 | 22.53 d ± 0.08 p = 2.7 × 10−5 | 23.06 d ± 0.07 p = 0.0001 | 23.37 d ± 0.15 p = 0.0099 | 22.66 ± 0.13 | |
LLW/LE | 5.71 | 5.96 | 6.22 | 7.54 | 4.37 | |
WLW/LE | 23.67 | 25.94 | 27.54 | 35.05 | 16.18 | |
WLW/MWE | 1.36 | 1.30 | 1.32 | 1.25 | 1.19 |
Economical Item | n | Live Weight /Lamb (kg) | Live Weight /Group (kg) | Total Value/Group (Euro) |
---|---|---|---|---|
L1 | ||||
Total born lambs (n) | 103 | 4.81 | 495.43 | 1694.37 |
Total weaned lambs (n) | 97 | 21.37 | 2072.89 | 7089.28 |
Feeding costs (euro/group/day) | 189.21 | |||
L2 | ||||
Total born lambs (n) | 123 | 4.96 | 610.08 | 2086.47 |
Total weaned lambs (n) | 116 | 22.76 | 2640.16 | 9029.35 |
Feeding costs (euro/group/day) | 191.72 |
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Nechifor, I.; Florea, M.A.; Radu-Rusu, R.-M.; Pascal, C. Influence of Supplemental Feeding on Body Condition Score and Reproductive Performance Dynamics in Botosani Karakul Sheep. Agriculture 2022, 12, 2006. https://doi.org/10.3390/agriculture12122006
Nechifor I, Florea MA, Radu-Rusu R-M, Pascal C. Influence of Supplemental Feeding on Body Condition Score and Reproductive Performance Dynamics in Botosani Karakul Sheep. Agriculture. 2022; 12(12):2006. https://doi.org/10.3390/agriculture12122006
Chicago/Turabian StyleNechifor, Ionică, Marian Alexandru Florea, Răzvan-Mihail Radu-Rusu, and Constantin Pascal. 2022. "Influence of Supplemental Feeding on Body Condition Score and Reproductive Performance Dynamics in Botosani Karakul Sheep" Agriculture 12, no. 12: 2006. https://doi.org/10.3390/agriculture12122006