Evidence map›Paper›PMID 29450815›Full record

ArticleTropical animal health and production2018

Factors affecting reproductive performance in dromedary camel herds in Saudi Arabia.

Ahmed Ali, Derar Derar, Abdulhadi Alsharari, Assaf Alsharari, Rashid Khalil, Tariq I Almundarij, Yaser Alboti, Fahd Al-Sobayil

Erratum issuedAbstract read
PubMed Publisher
In one paragraph

Article in Tropical animal health and production, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. An erratum has been issued. Cited by 20 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
20citing papers in PubMed, 2 pooled it
7.2field-weighted citation impact, top 3% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

20 citing papers in PubMed, 2 syntheses or guidelines pooled it, 39 citations in OpenAlex.

  1. Pooled it
  2. Pooled it
  3. Article
  4. Article
  5. Article
  6. Advances in the Diagnosis of Reproductive Disorders in Male Camelids.Animals : an open access journal from MDPI · 2025
    Review
  7. Advances in the Diagnosis of Reproductive Disorders in Female Camelids.Animals : an open access journal from MDPI · 2025
    Review
  8. Article
  9. Prediction of Mature Body Weight of Indigenous Camel (Animals : an open access journal from MDPI · 2025
    Article
  10. No Genomic Signatures Were Found inVeterinary sciences · 2025
    Article
  11. Article
  12. Article
  13. Review
  14. Article
  15. Article
  16. Article
  17. Article
  18. Article
  19. Review
  20. Review
4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

8 authors at 2 institutions in 2 countries.

Ahmed AliDepartment of Veterinary Medicine, College of Agriculture and Veterinary Medicine, Buraydah, Qassim, 51452, Saudi Arabia. drahmedali77@gmail.com.
Derar DerarDepartment of Veterinary Medicine, College of Agriculture and Veterinary Medicine, Buraydah, Qassim, 51452, Saudi Arabia.
Abdulhadi AlsharariDepartment of Veterinary Medicine, College of Agriculture and Veterinary Medicine, Buraydah, Qassim, 51452, Saudi Arabia.
Assaf AlsharariDepartment of Veterinary Medicine, College of Agriculture and Veterinary Medicine, Buraydah, Qassim, 51452, Saudi Arabia.
Rashid KhalilDepartment of Veterinary Medicine, College of Agriculture and Veterinary Medicine, Buraydah, Qassim, 51452, Saudi Arabia.
Tariq I AlmundarijDepartment of Veterinary Medicine, College of Agriculture and Veterinary Medicine, Buraydah, Qassim, 51452, Saudi Arabia.
Yaser AlbotiDepartment of Veterinary Medicine, College of Agriculture and Veterinary Medicine, Buraydah, Qassim, 51452, Saudi Arabia.
Fahd Al-SobayilDepartment of Veterinary Medicine, College of Agriculture and Veterinary Medicine, Buraydah, Qassim, 51452, Saudi Arabia.
Buraydah Colleges · SAAssiut University · EG

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

A survey of 7122 dromedary camels in 115 herds in Saudi Arabia was used to estimate the effects of herd size (HZ; < 25 vs. 25-49 vs. 50-100 vs. > 100 camels), herder/camels ratio (H/C; 1:< 25 vs. 1:25-50 vs. 1:> 50), manager experience (ME; < 5 vs. 5-10 vs. > 10 years), male/females ratio (M/F), housing system (HS; free vs. closed vs. mixed), length of the breeding season (winter vs. winter and spring vs. fall, winter and spring), age at first mating (3 vs. > 3 years), and time of mating after parturition (≤ 3 vs. > 3 months) and their interactions on the overall pregnancy rate. Barren females of these herds (n = 886) were examined for the causes of infertility. Results showed that herds with H/C of 1:< 25 had higher overall pregnancy rate (95.29%) than herds with H/C of 1:25-50 (79.84%) and those with H/C of 1:> 50 (72.79%) (p = 0.003). Herds having ME of > 10 years revealed greater overall pregnancy rate (94.89%) than herds with ME of 5-10 years (80.54%) and those with ME of < 5 years (72.5%) (p = 0.001). There were significant interactions between H/C × HZ (p = 0.003), H/C × HS (p = 0.006), and ME × HS (p = 0.02). The overall pregnancy rate did not significantly differ between herds bred females by age of 3 years and those bred females by age > 3 years and in females bred within 3 months after parturition and in those bred after 3 months. The mean calving interval was shorter (p = 0.008) in camels mated within 3 months of parturition (15.25 ± 2.8 months) than in those mated after that time (24.33 ± 6.5 months). Clinical endometritis, ovarian hydrobursitis, and vaginal adhesions were the common clinical findings in barren females. Thus, efforts to reduce the age at first mating and the interval after calving, increase the number of herders/camels, and control reproductive disorders could improve the reproductive performance and quality of camel herds in Saudi Arabia.

Indexed as

Animal HusbandryReproductionAnimalsBreedingCamelusEndometritisFemaleMalePregnancyPregnancy RateSaudi ArabiaDromedary camelPregnancy rateReproductive performanceSaudi Arabia

Identifiers

PMID29450815
OpenAlexW2790555761

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.