Effect of intrauterine dextrose on reproductive performance of lactating dairy cows diagnosed with purulent vaginal discharge under certified organic management

M. G. Maquivar, Adrian Barragan, J. S. Velez, H. Bothe, G. M. Schuenemann

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

The objectives of the study were to assess responses to treatments (clinical cure and resumption of estrous cycles) of cows with purulent vaginal discharge (PVD) that received intrauterine infusion of a hypertonic solution of 50% dextrose (DEX) or untreated control (CON) cows and the subsequent pregnancy per artificial insemination (PAI) in cows with and without PVD. Cows (n. = 2,852) from 2 dairy herds were screened for PVD using the gloved hand technique at exam 1 [26 ± 3. d in milk (DIM)]. Cows with vaginal discharge scores of 2 or 3 (0-3 scale) were stratified by parity and randomly allocated into 1 of 2 treatment groups: (1) intrauterine infusion (~200. mL) of 50% DEX solution (n. = 456), or (2) untreated control animals (CON, n. = 491). Fourteen days posttherapy (40 ± 3 DIM), cows with PVD were re-examined at exam 2 (40 ± 3 DIM) to assess the response to treatments. All cows were subjected to the same reproductive program, which consisted of estrus detection twice daily (using tail chalking and visual observation) for the first 5 artificial inseminations; then, open lactating cows were turned out with bulls. Cows displaying signs of standing estrus underwent AI and no reproductive hormones were used. Pregnancy diagnosis (PD) was performed via transrectal palpation at 40 ± 3. d post-AI. The risk of culling within 14. d posttherapy was not different among treatment groups. Cows with PVD had greater cervical diameter at exam 1 and decreased PAI compared with cows without PVD. Treatment with DEX increased the proportion of cows with clear vaginal discharge (clinical cure) and cyclicity 14. d posttherapy compared with CON cows. Pregnancy per AI for DEX (29.2 ± 2%) cows was significantly greater than that for CON (22.5 ± 2%) cows. Cows without PVD had a greater proportion of cycling cows (65.6%) and PAI (37%) with reduced pregnancy losses (5.7%) compared with DEX or CON cows. The use of intrauterine DEX alone improved reproductive performance of cows with PVD.

Original languageEnglish (US)
Pages (from-to)3876-3886
Number of pages11
JournalJournal of dairy science
Volume98
Issue number6
DOIs
StatePublished - Jun 1 2015

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Vaginal Discharge
reproductive performance
dairy cows
Glucose
cows
glucose
Artificial Insemination
Pregnancy
Milk
artificial insemination
intrauterine administration
Estrus Detection
Hypertonic Solutions
Therapeutics
pregnancy
Estrous Cycle
Palpation
Estrus
Periodicity
Parity

All Science Journal Classification (ASJC) codes

  • Food Science
  • Animal Science and Zoology
  • Genetics

Cite this

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title = "Effect of intrauterine dextrose on reproductive performance of lactating dairy cows diagnosed with purulent vaginal discharge under certified organic management",
abstract = "The objectives of the study were to assess responses to treatments (clinical cure and resumption of estrous cycles) of cows with purulent vaginal discharge (PVD) that received intrauterine infusion of a hypertonic solution of 50{\%} dextrose (DEX) or untreated control (CON) cows and the subsequent pregnancy per artificial insemination (PAI) in cows with and without PVD. Cows (n. = 2,852) from 2 dairy herds were screened for PVD using the gloved hand technique at exam 1 [26 ± 3. d in milk (DIM)]. Cows with vaginal discharge scores of 2 or 3 (0-3 scale) were stratified by parity and randomly allocated into 1 of 2 treatment groups: (1) intrauterine infusion (~200. mL) of 50{\%} DEX solution (n. = 456), or (2) untreated control animals (CON, n. = 491). Fourteen days posttherapy (40 ± 3 DIM), cows with PVD were re-examined at exam 2 (40 ± 3 DIM) to assess the response to treatments. All cows were subjected to the same reproductive program, which consisted of estrus detection twice daily (using tail chalking and visual observation) for the first 5 artificial inseminations; then, open lactating cows were turned out with bulls. Cows displaying signs of standing estrus underwent AI and no reproductive hormones were used. Pregnancy diagnosis (PD) was performed via transrectal palpation at 40 ± 3. d post-AI. The risk of culling within 14. d posttherapy was not different among treatment groups. Cows with PVD had greater cervical diameter at exam 1 and decreased PAI compared with cows without PVD. Treatment with DEX increased the proportion of cows with clear vaginal discharge (clinical cure) and cyclicity 14. d posttherapy compared with CON cows. Pregnancy per AI for DEX (29.2 ± 2{\%}) cows was significantly greater than that for CON (22.5 ± 2{\%}) cows. Cows without PVD had a greater proportion of cycling cows (65.6{\%}) and PAI (37{\%}) with reduced pregnancy losses (5.7{\%}) compared with DEX or CON cows. The use of intrauterine DEX alone improved reproductive performance of cows with PVD.",
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Effect of intrauterine dextrose on reproductive performance of lactating dairy cows diagnosed with purulent vaginal discharge under certified organic management. / Maquivar, M. G.; Barragan, Adrian; Velez, J. S.; Bothe, H.; Schuenemann, G. M.

In: Journal of dairy science, Vol. 98, No. 6, 01.06.2015, p. 3876-3886.

Research output: Contribution to journalArticle

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T1 - Effect of intrauterine dextrose on reproductive performance of lactating dairy cows diagnosed with purulent vaginal discharge under certified organic management

AU - Maquivar, M. G.

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AU - Schuenemann, G. M.

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N2 - The objectives of the study were to assess responses to treatments (clinical cure and resumption of estrous cycles) of cows with purulent vaginal discharge (PVD) that received intrauterine infusion of a hypertonic solution of 50% dextrose (DEX) or untreated control (CON) cows and the subsequent pregnancy per artificial insemination (PAI) in cows with and without PVD. Cows (n. = 2,852) from 2 dairy herds were screened for PVD using the gloved hand technique at exam 1 [26 ± 3. d in milk (DIM)]. Cows with vaginal discharge scores of 2 or 3 (0-3 scale) were stratified by parity and randomly allocated into 1 of 2 treatment groups: (1) intrauterine infusion (~200. mL) of 50% DEX solution (n. = 456), or (2) untreated control animals (CON, n. = 491). Fourteen days posttherapy (40 ± 3 DIM), cows with PVD were re-examined at exam 2 (40 ± 3 DIM) to assess the response to treatments. All cows were subjected to the same reproductive program, which consisted of estrus detection twice daily (using tail chalking and visual observation) for the first 5 artificial inseminations; then, open lactating cows were turned out with bulls. Cows displaying signs of standing estrus underwent AI and no reproductive hormones were used. Pregnancy diagnosis (PD) was performed via transrectal palpation at 40 ± 3. d post-AI. The risk of culling within 14. d posttherapy was not different among treatment groups. Cows with PVD had greater cervical diameter at exam 1 and decreased PAI compared with cows without PVD. Treatment with DEX increased the proportion of cows with clear vaginal discharge (clinical cure) and cyclicity 14. d posttherapy compared with CON cows. Pregnancy per AI for DEX (29.2 ± 2%) cows was significantly greater than that for CON (22.5 ± 2%) cows. Cows without PVD had a greater proportion of cycling cows (65.6%) and PAI (37%) with reduced pregnancy losses (5.7%) compared with DEX or CON cows. The use of intrauterine DEX alone improved reproductive performance of cows with PVD.

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