Reproductive Diseases in Farmed Rabbit Does
Abstract
:Simple Summary
Abstract
1. Introduction
2. Materials and Methods
2.1. Rabbit Farms, Doe Census, Breeds, and Lines
2.2. On-Farm Management Procedures
2.3. Datasets and Cohorts
2.4. Descriptive Traits of the Age of the Does
2.5. Veterinary Visits to the Rabbit Farms
2.6. Diagnostic Procedures Used
2.7. Statistical Analysis
3. Results and Discussion
3.1. Descriptive Traits of the Farms Visited between 1994 and 2019
3.2. Reproductive Diseases in Does on Farms From 1994 to 2019
3.2.1. Description of Apparent Infertility on Farms from 1994 to 2019
3.2.2. Other Reproductive Diseases Diagnosed on Commercial Farms from 1994 to 2019
Abortions
Kindling-Related Disorders of the Reproductive Tract
Uterine Conditions
Other Reproductive Disorders
3.3. Descriptive Traits of Farms Sampled between 2014 and 2019
3.4. Fertility and Variation Factors at Farm Level, on Farms Visited between 2014 and 2019
3.5. Results Obtained from the Individual Examination of Does between 2014 and 2019
3.5.1. Effect of Body Condition on Fertility
3.5.2. Effect of Sanitary Status on Fertility
3.5.3. Age
3.6. Limitations of the Study
4. Conclusions
Author Contributions
Funding
Acknowledgments
Conflicts of Interest
References
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Trait | Year | |||||||
---|---|---|---|---|---|---|---|---|
1994 | 1997 | 2000 | 2001 | 2003 | 2004 | 2006–2014 a | 2014–2019 b | |
Number of visits | 389 | 426 | 323 | 463 | 363 | 381 | 3278 | 438 |
Doe farms visited (n) | 191 | 212 | 126 | 153 | 139 | 162 | 490 | 142 |
Farm size c | 350 | 450 | 580 | 600 | 600 | 604 | 769 | 800 |
Farms with AI d (%) | 2 | 12 | 35 | 48 | 71 | 68 | 85 | 90 |
Days for service: <11, 11, >11 d (% farms) | NR | 31,63,6 | NR | 17,71,12 | 10,65,25 | 4,79,16 | 0,75,25 | 0,70,30 |
One batch/farm (%) | NR | NR | NR | NR | 30 | 30 | 46 | 48 |
Trait | Year a | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1994 | 1996 | 1998 | 2000 | 2002 | 2004 | 2006 | 2008 | 2010 | 2012 | 2014 | 2016 | 2018 | |
Number of farms | 166 | 155 | 136 | 111 | 87 | 91 | 113 | 101 | 53 | 61 | 64 | 67 | 88 |
Farm size | 391 | 473 | 617 | 661 | 826 | 832 | 921 | 914 | 697 | 684 | 653 | 648 | 657 |
Pregnancies % b | 82.1 | 82 | 81.4 | 82.3 | 81.1 | 81.9 | 81.7 | 84.3 | 83.2 | 85 | 84.5 | 84.9 | 85.2 |
Parities/services % c | 73.2 | 75 | 74.1 | 74.8 | 74.3 | 76.8 | 76.8 | 78.8 | 77 | 79.3 | 78.8 | 78.6 | 78.4 |
Trait | No Visits | Target c | Interference c |
---|---|---|---|
Abortions a | 23 | ≤1% | ≥2 % |
Non-specific reproductive problem | 29 | NA | NA |
Difference between % pregnancies and % parities | 7 | <7 points | ≥10 points |
Metritis, pyometra, fetal maceration | 8 | NA | NA |
Others (dystocia, malformations) | 6 | NA | NA |
Small litter size, weak kits | 10 | ≥ 8.5 | <7.5 |
Pregnancy toxemia/ketosis | 3 | NA | NA |
Low male acceptance rate in farms with mount | 10 | >80% | <80% |
Low pregnancy rate (infertility) | 181 | ≥75%+ | ≤70%+ |
High fetal death risk at parturition b | 16 | ≤7% | >9 to 10% |
Total | 292 | NA | NA |
Trait | Mean | Minimum | Q2 | Maximum |
---|---|---|---|---|
Number of rabbit does per visited farm | 1033 | 145 | 800 | 6000 |
Number of does at risk examined per cohort (n = 481 cohorts) * | 420 | 20 | 350 | 1750 |
Number of does examined per sample (n = 481 examined cohorts on 142 farms) | 36.6 | 10 | 35 | 102 |
Days of abdominal palpation (producers) | 14.3 | 11 | 15 | 27 |
% pregnancies (info. of 427 batches palpated by the producers on 134 farms) | 84.3 | 50 | 85.6 | 95.9 |
Days of lactation of the examined cohort | 31.4 | 18 | 30 | 74 |
Days of pregnancy check (veterinarians) | 16.3 | 9 | 15 | 27 |
Rhinitis in the 481 examined cohorts % | 16 | 0 | 12.5 | 86.7 |
Mastitis % | 4.7 | 0 | 2.9 | 30 |
Ulcerative pododermatitis % | 6.0 | 0 | 3.3 | 73.3 |
Manges % | 3.0 | 0 | 0 | 94 |
Factor of Variation | df | Chi-Square | p > Chi |
---|---|---|---|
Farm | 141 | 1337.91 | <0.0001 |
Number of kindling | 9 | 68.14 | <0.0001 |
Body condition score | 7 | 429.89 | <0.0001 |
Sanitary status | 6 | 121.60 | <0.0001 |
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Rosell, J.M.; de la Fuente, L.F.; Carbajo, M.T.; Fernández, X.M. Reproductive Diseases in Farmed Rabbit Does. Animals 2020, 10, 1873. https://doi.org/10.3390/ani10101873
Rosell JM, de la Fuente LF, Carbajo MT, Fernández XM. Reproductive Diseases in Farmed Rabbit Does. Animals. 2020; 10(10):1873. https://doi.org/10.3390/ani10101873
Chicago/Turabian StyleRosell, Joan Maria, Luis Fernando de la Fuente, María Teresa Carbajo, and Xosé María Fernández. 2020. "Reproductive Diseases in Farmed Rabbit Does" Animals 10, no. 10: 1873. https://doi.org/10.3390/ani10101873