Evaluation of transrectal real-time ultrasound for use in identifying sources of reproductive failure in weaned sows

Journal of Swine Health and Production

Volumn 12, Issue 2, 2004, Pages 71-74

  Knox, Robert V ^a   Probst Miller, Sarah ^b  

^a UNIVERSITY OF ILLINOIS AT URBANA CHAMPAIGN   (United States)

^b CARTHAGE VETERINARY SERVICE LTD   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 1642269176     PISSN: 1537209X     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Review

References (18)

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2. Soede NM, Noordhuizen JPTM, Kemp B. The duration of ovulation in pigs, studied by transrectal ultrasonography, is not related to early embryonic diversity. Theriogenology. 1992;38:653-666.
3. Kemp B, Soede NM. Relationship of weaning-to-estrus interval to timing of ovulation and fertilization in sows. J Anim Sci. 1996;74:944-949.
4. Koketsu Y, Dial GD. Factors influencing the postweaning reproductive performance of sows on commercial farms. Theriogenology. 1997;47:1445-1461.
5. Steverink DWB, Soede NM, Groenland GJR, van Schie FW, Noordhuizen JPTM, Kemp B. Duration of estrus in relation to reproduction results in pigs on commercial farms. J Anim Sci. 1999;77:801-809.
6. Knox RV, Rodriguez-Zas SL. Factors influencing estrus and ovulation in weaned sows as determined by transrectal ultrasound. J Anim Sci. 2001;79:2957-2963.
7. Hemsworth PH, Barnett, JL. Behavioural responses affecting gilt and sow reproduction. J Reprod Fert. 1990;40(suppl):343-354.
8. Knox RV, Althouse GC. Visualizing the reproductive tract of the female pig using real-time ultrasonography. J Swine Health Prod. 1999;7:207-215.
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10. Langendijk P, van den Brand H, Soede NM, Kemp B. Effect of boar contact on follicular development and on estrus expression after weaning in primiparous sows. Theriogenology. 2000;54:1295-1303.
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15. Rozeboom KF, Troedsson MHT, Shurson GC, Hawton JD, Crabo BG. Late estrus or metestrus insemination after estrual inseminations decreases farrowing rate and litter size in swine. J Anim Sci. 1996;75:2323-2327.
16. th IPVS Cong. 2002;1:15-24.
17. Flowers WL. Influence of adjusting timing and frequency of mating on the anticipated duration of estrus on reproductive performance of sows. Available at http://mark.asci.ncsu.edu/SwineReports /2000/flowers2.htm. Accessed December 17, 2003.
18. Knox RV, Miller G, Willenburg K, Rodriguez-Zas SL. Effect of frequency of boar exposure and adjusted mating times on measures of reproductive performance in weaned sows. J Anim Sci. 2002;80:892-899.