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Article ; Online: Effect of follicular wave synchronization using a progesterone-releasing intravaginal device-based protocol on in vitro embryo production in Bos taurus cows subjected to 14-day intervals ovum pick-up.

Anchordoquy, Juan Patricio / Balbi, Marianela / Farnetano, Nicolás A / Giuliodori, Mauricio J / Nikoloff, Noelia / Carranza-Martín, Ana C / Furnus, Cecilia C / Anchordoquy, Juan Mateo

Animal reproduction science

2023 Volume 261, Page(s) 107397

Abstract: Follicular wave synchronization (FWS) before ovum pick-up (OPU) is one of the strategies used to improve the efficiency of in vitro embryo production (IVP). This study aimed to evaluate the effect of FWS on the total follicular number, cumulus-oocyte ... ...

Abstract	Follicular wave synchronization (FWS) before ovum pick-up (OPU) is one of the strategies used to improve the efficiency of in vitro embryo production (IVP). This study aimed to evaluate the effect of FWS on the total follicular number, cumulus-oocyte complex (COC) recovery, and in vitro embryo development in Angus cows (n = 33) subjected to OPU with 14-day intersession intervals. Additionally, it was also evaluated the presence of carryover effects given the short intersession interval used. The experiment was run as a 2-treatment (FWS vs. Control) x 2-period (1 vs. 2) crossover design. Animals in the FWS group received an intravaginal progesterone implant (1gr), estradiol benzoate (2 mg), and D-cloprostenol (150 μg) on day 0 and the OPU was performed on day 5. Control group animals did not receive any hormone treatment. The FWS increased the number of 6-10 mm follicles (P = 0.05), but it decreased the COC recovery rate (P < 0.01). The FWS did not affect the total or frozen embryo numbers (P = 0.49 and P = 0.17; respectively), but it increased the total blastocyst cell number (P < 0.01). A carryover effect was found on the total and < 6 mm follicles number (P = 0.10 and P < 0.01; respectively), and on the regular, atretic, viable, and total number of COC (P = 0.01, P = 0.08, P = 0.02 and P < 0.01; respectively). We concluded that the FWS increased the quality of embryos after OPU with 14-day intersession intervals in Angus cows and that this kind of OPU/IVP scheme enabled the existence of a carryover effect, especially on the follicle number and COC morphology.
MeSH term(s)	Female ; Cattle ; Animals ; Progesterone/pharmacology ; Oocyte Retrieval/veterinary ; Oocyte Retrieval/methods ; Fertilization in Vitro/veterinary ; Fertilization in Vitro/methods ; Ovarian Follicle ; Oocytes ; Ovum
Chemical Substances	Progesterone (4G7DS2Q64Y)
Language	English
Publishing date	2023-12-13
Publishing country	Netherlands
Document type	Journal Article
ZDB-ID	429674-6
ISSN	1873-2232 ; 0378-4320
ISSN (online)	1873-2232
ISSN	0378-4320
DOI	10.1016/j.anireprosci.2023.107397
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Article ; Online: Effect of peer instruction on the likelihood for choosing the correct response to a physiology question.

Relling, Alejandro E / Giuliodori, Mauricio J

Advances in physiology education

2015 Volume 39, Issue 3, Page(s) 167–171

Abstract: The aims of the present study were to measure the effects of individual answer (correct vs. incorrect), individual answer of group members (no vs. some vs. all correct), self-confidence about the responses (low vs. mid vs. high), sex (female vs. male ... ...

Abstract	The aims of the present study were to measure the effects of individual answer (correct vs. incorrect), individual answer of group members (no vs. some vs. all correct), self-confidence about the responses (low vs. mid vs. high), sex (female vs. male students), and group size (2-4 students) on the odds for change and for correctness after peer instruction in a veterinary physiology course (n = 101 students). Data were assessed by multivariable logistic regression analysis. The likelihood for change after peer instruction increased when the confidence on an individual answer was low (P < 0.01), when the answer was incorrect (P < 0.01), and when group members had different responses (P < 0.01). The likelihood for correctness after peer instruction increased when the confidence in group answers was high (P < 0.01), when the individual answer was correct (P < 0.01), and when at least one of the group members had the correct response (P < 0.01). After peer discussion, more changes were from incorrect to correct responses than vice versa (72% vs. 28%, P < 0.01). Changes to correct answers occurred after discussion with peers having both the correct individual response (76% of times) and also the incorrect individual answer (24% of times). In conclusion, the benefits of peer instruction are due to students having correct answers generally prevail in discussions. Also, students who all have incorrect answers can get the correct answer through debate and discussion.
MeSH term(s)	Argentina ; Confidence Intervals ; Curriculum ; Education, Veterinary/methods ; Female ; Formative Feedback ; Group Processes ; Humans ; Logistic Models ; Male ; Odds Ratio ; Peer Group ; Physiology/education ; Problem Solving ; Schools, Veterinary ; Self Efficacy ; Students, Medical/psychology ; Surveys and Questionnaires ; Young Adult
Language	English
Publishing date	2015-09
Publishing country	United States
Document type	Comparative Study ; Journal Article ; Randomized Controlled Trial ; Research Support, Non-U.S. Gov't
ZDB-ID	1024917-5
ISSN	1522-1229 ; 1043-4046
ISSN (online)	1522-1229
ISSN	1043-4046
DOI	10.1152/advan.00092.2014
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Article ; Online: Association of bovine viral diarrhea virus, bovine herpesvirus 1, and Neospora caninum with late embryonic losses in highly supplemented grazing dairy cows.

Quintero Rodríguez, Luis E / Domínguez, Germán / Alvarado Pinedo, María F / Travería, Gabriel E / Moré, Gastón / Campero, Lucía M / de la Sota, R Luzbel / Madoz, Laura V / Giuliodori, Mauricio J

Theriogenology

2022 Volume 194, Page(s) 126–132

Abstract: The objectives of this study were: 1- to evaluate the association of Bovine Viral Diarrhea Virus (BVDV), Bovine Herpes Virus 1 (BoHV-1), and Neospora caninum (N. caninum) with the risk for Late Embryonic Loss (LEL) in grazing dairy cows, 2- to evaluate ... ...

Abstract	The objectives of this study were: 1- to evaluate the association of Bovine Viral Diarrhea Virus (BVDV), Bovine Herpes Virus 1 (BoHV-1), and Neospora caninum (N. caninum) with the risk for Late Embryonic Loss (LEL) in grazing dairy cows, 2- to evaluate blood progesterone concentration at the time of LEL occurrence, and 3- to describe a novel ultrasound-guided technique for conceptus sampling. We run a prospective cohort study involving 92 cows (46 LEL and 46 NLEL). An LEL cow was that having an embryo with no heartbeat, detached membranes, or floating structures, including embryo remnants detected at pregnancy check by ultrasonography (US) 28-42 days post-AI, whereas an NLEL cow was that with embryo heartbeats detectable by US at pregnancy check 28-42 d post-IA. We took two blood samples from every cow at pregnancy check by US (the day of LEL detection) and 28 d later to perform serological diagnosis of BVDV, BoHV-1, and N. caninum; and to measure blood progesterone concentration at pregnancy check (28-42 d post-AI). We also sampled the conceptus from all the LEL cows. We performed PCR to detect BVDV, BoHV-1, and N. caninum in sampled conceptuses from LEL cows. Finally, we evaluated the associations of risk factors (serological titers, seroconversion, and progesterone) with LEL odds with logistic models. The risk for LEL was associated with serological titers to BVDV (P = 0.03) and tended to be associated with seroconversion to BVDV, given that 19.6% (9/46) in LEL and 6.5% (3/46) in NLEL cows seroconverted to BVDV (P = 0.09). In addition, BVDV was detected in conceptuses from LEL cows that seroconverted to BVDV but not in LEL cows that did not seroconvert. Conversely, the risk for LEL was not associated with the titers or seroconversion to BoHV-1 and N. caninum. BoHV-1 and N. caninum were not identified in any of the conceptuses. Finally, blood progesterone concentration was similar in LEL and NLEL cows, and it was not associated with the risk for LEL (P = 0.54). In conclusion, BVDV infection is a risk factor for LEL in dairy cows.
MeSH term(s)	Pregnancy ; Female ; Cattle ; Animals ; Neospora ; Herpesvirus 1, Bovine ; Bovine Virus Diarrhea-Mucosal Disease/complications ; Progesterone ; Prospective Studies ; Coccidiosis/veterinary ; Seroepidemiologic Studies ; Cattle Diseases ; Antibodies, Protozoan ; Antibodies, Viral ; Diarrhea Viruses, Bovine Viral
Chemical Substances	Progesterone (4G7DS2Q64Y) ; Antibodies, Protozoan ; Antibodies, Viral
Language	English
Publishing date	2022-10-05
Publishing country	United States
Document type	Journal Article
ZDB-ID	189232-0
ISSN	1879-3231 ; 0093-691X
ISSN (online)	1879-3231
ISSN	0093-691X
DOI	10.1016/j.theriogenology.2022.10.002
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Article ; Online: An improved model for simulating obstructive lung disease.

Giuliodori, Mauricio J / Dicarlo, Stephen E

Advances in physiology education

2008 Volume 32, Issue 2, Page(s) 167

MeSH term(s)	Equipment Design ; Humans ; Lung Diseases, Obstructive/diagnosis ; Physiology/education ; Respiratory Function Tests ; Spirometry/methods ; Teaching/methods
Language	English
Publishing date	2008-06
Publishing country	United States
Document type	Journal Article
ZDB-ID	1024917-5
ISSN	1522-1229 ; 1043-4046
ISSN (online)	1522-1229
ISSN	1043-4046
DOI	10.1152/advan.90102.2008
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Article ; Online: Late embryonic losses in supplemented grazing lactating dairy cows: Risk factors and reproductive performance.

Quintero Rodríguez, Luis E / Rearte, Ramiro / Domínguez, Germán / Luzbel de la Sota, R / Madoz, Laura V / Giuliodori, Mauricio J

Journal of dairy science

2019 Volume 102, Issue 10, Page(s) 9481–9487

Abstract: The main objective of this study was to evaluate the risk factors for late embryonic loss (LEL) in supplemented grazing dairy cows. Additional objectives were to assess the incidence of LEL and its association with the reproductive performance of cows. A ...

Abstract	The main objective of this study was to evaluate the risk factors for late embryonic loss (LEL) in supplemented grazing dairy cows. Additional objectives were to assess the incidence of LEL and its association with the reproductive performance of cows. A data set containing productive, reproductive, and health records of 13,551 lactations was used. A retrospective case-control study involving 631 cows with LEL (cases) and 2,524 controls (4 controls per case within each study year) was run. A case of LEL was defined when the embryo had no heartbeat or there was evidence of detached membranes or floating structures including embryo remnants by ultrasonography (US) at 28 to 42 d post-artificial insemination (AI), whereas a non-case was defined as a cow diagnosed with positive pregnancy by US 28 to 42 d post-AI and reconfirmed as pregnant 90 ± 7 d post-AI. Four controls per case were randomly selected from the non-cases with a temporal matching criterion (±3 d around the date of the fecundating AI of the case). Multivariable logistic models were offered with the following predictors: year of LEL (2011 through 2015), season of LEL (summer vs. fall vs. winter vs. spring), parity (1 vs. 2 vs. ≥3), uterine disease (UD), non-uterine disease (NUD), body condition score at parturition, body condition score at 28 to 42 d post-AI (BCS-LEL), days in milk (DIM), and daily milk yield (MY). Statistical significance was set at P < 0.05 and a tendency was set at P ≤ 0.10. We found that 4.7, 22, and 23% of cows had LEL, UD, and NUD, respectively. Cases tended to have higher daily MY than controls (32.5 vs. 31.8 kg); also, cases had much longer calving to pregnancy interval (226 vs. 118 d), lower hazard of pregnancy [hazard ratio = 0.39, 95% confidence interval (CI) = 0.35-0.43], and higher odds for non-pregnancy [odds ratio (OR) = 2.89, 95% CI = 2.37-3.54] than controls. We found that the odds for LEL increased with parity number (OR = 2.48, 95% CI = 1.99-3.08 for parity ≥3) and with BCS-LEL <2.50 (OR = 1.81, 95% CI = 1.33-2.47). Conversely, the odds for LEL decreased with BCS-LEL >3.00 (OR = 0.70, 95% CI = 0.53-0.91). The odds for LEL increased with UD (OR = 1.23, 95% CI = 1.01-1.49), NUD (OR = 1.24, 95% CI = 1.01-1.54), DIM (OR = 1.03, 95% CI = 1.00-1.05), and daily MY (OR = 1.14, 95% CI = 1.04-1.25) in univariable models only. Finally, the odds for LEL were not associated with year, season, DIM, and body condition score at parturition. In conclusion, LEL is associated with extended calving to pregnancy interval, and among its risk factors are parity number and BCS-LEL.
MeSH term(s)	Animals ; Case-Control Studies ; Cattle/embryology ; Cattle/physiology ; Dietary Supplements ; Female ; Insemination, Artificial/veterinary ; Lactation ; Milk/metabolism ; Parity ; Pregnancy ; Reproduction ; Retrospective Studies ; Risk Factors
Language	English
Publishing date	2019-07-24
Publishing country	United States
Document type	Journal Article
ZDB-ID	242499-x
ISSN	1525-3198 ; 0022-0302
ISSN (online)	1525-3198
ISSN	0022-0302
DOI	10.3168/jds.2018-16136
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Article ; Online: Classic experimentation and working models for engaging and inspiring students.

Giuliodori, Mauricio J / Lujan, Heidi L / DiCarlo, Stephen E

Advances in physiology education

2012 Volume 36, Issue 1, Page(s) 63–64

MeSH term(s)	Aortic Valve/physiology ; Education, Medical/methods ; Humans ; Models, Structural ; Physiology/education ; Pulmonary Valve/physiology
Language	English
Publishing date	2012-03
Publishing country	United States
Document type	Journal Article
ZDB-ID	1024917-5
ISSN	1522-1229 ; 1043-4046
ISSN (online)	1522-1229
ISSN	1043-4046
DOI	10.1152/advan.00100.2011
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Article ; Online: Association of bovine viral diarrhea virus, bovine herpesvirus 1, and Neospora caninum with late embryonic losses in highly supplemented grazing dairy cows

Quintero Rodríguez, Luis E. / Domínguez, Germán / Alvarado Pinedo, María F. / Travería, Gabriel E. / Moré, Gastón / Campero, Lucía M. / de la Sota, R. Luzbel / Madoz, Laura V. / Giuliodori, Mauricio J.

Theriogenology. 2022 Dec., v. 194 p.126-132

2022

Abstract	The objectives of this study were: 1- to evaluate the association of Bovine Viral Diarrhea Virus (BVDV), Bovine Herpes Virus 1 (BoHV-1), and Neospora caninum (N. caninum) with the risk for Late Embryonic Loss (LEL) in grazing dairy cows, 2- to evaluate blood progesterone concentration at the time of LEL occurrence, and 3- to describe a novel ultrasound-guided technique for conceptus sampling. We run a prospective cohort study involving 92 cows (46 LEL and 46 NLEL). An LEL cow was that having an embryo with no heartbeat, detached membranes, or floating structures, including embryo remnants detected at pregnancy check by ultrasonography (US) 28–42 days post-AI, whereas an NLEL cow was that with embryo heartbeats detectable by US at pregnancy check 28–42 d post-IA. We took two blood samples from every cow at pregnancy check by US (the day of LEL detection) and 28 d later to perform serological diagnosis of BVDV, BoHV-1, and N. caninum; and to measure blood progesterone concentration at pregnancy check (28–42 d post-AI). We also sampled the conceptus from all the LEL cows. We performed PCR to detect BVDV, BoHV-1, and N. caninum in sampled conceptuses from LEL cows. Finally, we evaluated the associations of risk factors (serological titers, seroconversion, and progesterone) with LEL odds with logistic models. The risk for LEL was associated with serological titers to BVDV (P = 0.03) and tended to be associated with seroconversion to BVDV, given that 19.6% (9/46) in LEL and 6.5% (3/46) in NLEL cows seroconverted to BVDV (P = 0.09). In addition, BVDV was detected in conceptuses from LEL cows that seroconverted to BVDV but not in LEL cows that did not seroconvert. Conversely, the risk for LEL was not associated with the titers or seroconversion to BoHV-1 and N. caninum. BoHV-1 and N. caninum were not identified in any of the conceptuses. Finally, blood progesterone concentration was similar in LEL and NLEL cows, and it was not associated with the risk for LEL (P = 0.54). In conclusion, BVDV infection is a risk factor for LEL in dairy cows.
Keywords	Bovine alphaherpesvirus 1 ; Bovine viral diarrhea virus 1 ; Neospora caninum ; blood ; cohort studies ; conceptus ; cows ; embryonic mortality ; heart rate ; pregnancy ; progesterone ; risk factors ; seroconversion ; serodiagnosis ; ultrasonography ; viruses ; Bovine viral diarrhea virus ; Bovine herpesvirus 1 ; Late embryonic loss ; Grazing dairy cow
Language	English
Dates of publication	2022-12
Size	p. 126-132.
Publishing place	Elsevier Inc.
Document type	Article ; Online
ZDB-ID	189232-0
ISSN	1879-3231 ; 0093-691X
ISSN (online)	1879-3231
ISSN	0093-691X
DOI	10.1016/j.theriogenology.2022.10.002
Database	NAL-Catalogue (AGRICOLA)

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Article ; Online: Associations of subclinical hypocalcemia with fertility in a herd of grazing dairy cows.

Umaña Sedó, Sebastián / Rosa, Diana / Mattioli, Guillermo / Luzbel de la Sota, R / Giuliodori, Mauricio J

Journal of dairy science

2018 Volume 101, Issue 11, Page(s) 10469–10477

Abstract: The main objective was to assess the associations of subclinical hypocalcemia (SCH), diagnosed at parturition (SCH-0) and 7 d in milk (SCH-7), with fertility in a herd of grazing dairy cows. Additional objectives were to characterize Ca concentration on ... ...

Abstract	The main objective was to assess the associations of subclinical hypocalcemia (SCH), diagnosed at parturition (SCH-0) and 7 d in milk (SCH-7), with fertility in a herd of grazing dairy cows. Additional objectives were to characterize Ca concentration on 0 and 7 d in milk (DIM), assessing the risk factors for SCH-0 and SCH-7 and also the relationship with health status (metritis, endometritis, subclinical ketosis, and culling). A prospective observational study was carried out in a dairy farm in Argentina. Holstein cows (n = 126) were body condition scored (BCS, 1-5) on -21 ± 3, 0, 7 ± 3, and 28 ± 7 DIM and blood was collected on 0 and 7 ± 3 DIM to determine Ca and β-hydroxybutyrate concentrations. Calcium concentrations <2.0 and <2.14 mmol/L were used to define SCH-0 and SCH-7, respectively. The associations of SCH with (1) the odds for pregnancy to first service (P1AI) and pregnancy by 100 DIM (P100) were evaluated by logistic models, (2) the services per pregnancy was evaluated by a Poisson regression model, and (3) the hazards of insemination and pregnancy were evaluated with proportional hazards regression models whereas median days from calving to first insemination and to pregnancy were estimated by Kaplan-Meier method. Additionally, Ca concentration was assessed by linear regression models, and the associations of SCH-0 and SCH-7 with the odds for metritis, endometritis, subclinical ketosis, and culling were evaluated by logistic models. Calcium concentrations were similar at 0 and 7 DIM (2.40 vs. 2.41 mmol/L, respectively); they were higher in cows calving in fall than in summer (2.58 vs. 2.24 mmol/L), and they also were higher in primiparous than in multiparous cows (2.53 vs. 2.28 mmol/L, respectively). The proportion of cows having SCH-0 and SCH-7 was 27.3 and 39.3%, respectively. Fall-calving cows had lower odds for SCH-0 [odds ratio (OR) = 0.31, 95% confidence interval (CI) = 0.12-0.86] than summer-calving cows, multiparous cows had higher odds for SCH-0 (OR = 3.96, 95% CI = 1.09-14.39) than primiparous cows, and cows with prepartum BCS ≥3.00 had higher odds for SCH-0 (OR = 4.03, 95% CI = 1.17-13.89) than in cows with BCS <3.00. Conversely, parity and prepartum BCS were not important predictors for SCH-7. Surprisingly, SCH-0 was not a risk factor for SCH-7. Cows with SCH-0 had lower odds for P1AI (OR = 0.26, 95% CI = 0.07-0.99) than normocalcemic cows, given that P1AI was 14 versus 38%, respectively. The hazard of first service was not associated with SCH-0 (hazard ratio = 1.03, 95% CI = 0.63-1.70) but cows with SCH-0 had lower hazard of pregnancy (hazard ratio = 0.39, 95% CI = 0.16-0.98) and took 32 d longer to get pregnant (105 vs. 73) than normocalcemic cows. Conversely, SCH-7 was not associated with fertility. Finally, SCH-0 and SCH-7 were associated with the odds for subclinical ketosis and metritis, respectively. In conclusion, SCH-0 but not SCH-7 is associated with reduced fertility in a herd of grazing dairy cows, but both were associated with health status.
MeSH term(s)	3-Hydroxybutyric Acid/blood ; Animals ; Argentina ; Calcium/blood ; Cattle ; Cattle Diseases/diagnosis ; Endometritis/diagnosis ; Endometritis/veterinary ; Female ; Fertility ; Hypocalcemia/diagnosis ; Hypocalcemia/veterinary ; Lactation ; Milk/metabolism ; Parity ; Pregnancy ; Prospective Studies
Chemical Substances	Calcium (SY7Q814VUP) ; 3-Hydroxybutyric Acid (TZP1275679)
Language	English
Publishing date	2018-09-13
Publishing country	United States
Document type	Journal Article ; Observational Study, Veterinary
ZDB-ID	242499-x
ISSN	1525-3198 ; 0022-0302
ISSN (online)	1525-3198
ISSN	0022-0302
DOI	10.3168/jds.2017-14242
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Article: Postsynaptic potential summation and action potential initiation: function following form.

Giuliodori, Mauricio J / Zuccolilli, Gustavo

Advances in physiology education

2004 Volume 28, Issue 1-4, Page(s) 79–80

MeSH term(s)	Action Potentials ; Animals ; Excitatory Postsynaptic Potentials ; Humans ; Nervous System Physiological Phenomena ; Neurophysiology/education
Language	English
Publishing date	2004-12
Publishing country	United States
Document type	Journal Article ; Review
ZDB-ID	1024917-5
ISSN	1522-1229 ; 1043-4046
ISSN (online)	1522-1229
ISSN	1043-4046
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Article: Associations of subclinical hypocalcemia with fertility in a herd of grazing dairy cows

Umaña Sedó, Sebastián / Diana Rosa / Guillermo Mattioli / Mauricio J. Giuliodori / R. Luzbel de la Sota

American Dairy Science Association Journal of dairy science. 2018 Nov., v. 101, no. 11

2018

Abstract	The main objective was to assess the associations of subclinical hypocalcemia (SCH), diagnosed at parturition (SCH-0) and 7 d in milk (SCH-7), with fertility in a herd of grazing dairy cows. Additional objectives were to characterize Ca concentration on 0 and 7 d in milk (DIM), assessing the risk factors for SCH-0 and SCH-7 and also the relationship with health status (metritis, endometritis, subclinical ketosis, and culling). A prospective observational study was carried out in a dairy farm in Argentina. Holstein cows (n = 126) were body condition scored (BCS, 1–5) on −21 ± 3, 0, 7 ± 3, and 28 ± 7 DIM and blood was collected on 0 and 7 ± 3 DIM to determine Ca and β-hydroxybutyrate concentrations. Calcium concentrations <2.0 and <2.14 mmol/L were used to define SCH-0 and SCH-7, respectively. The associations of SCH with (1) the odds for pregnancy to first service (P1AI) and pregnancy by 100 DIM (P100) were evaluated by logistic models, (2) the services per pregnancy was evaluated by a Poisson regression model, and (3) the hazards of insemination and pregnancy were evaluated with proportional hazards regression models whereas median days from calving to first insemination and to pregnancy were estimated by Kaplan-Meier method. Additionally, Ca concentration was assessed by linear regression models, and the associations of SCH-0 and SCH-7 with the odds for metritis, endometritis, subclinical ketosis, and culling were evaluated by logistic models. Calcium concentrations were similar at 0 and 7 DIM (2.40 vs. 2.41 mmol/L, respectively); they were higher in cows calving in fall than in summer (2.58 vs. 2.24 mmol/L), and they also were higher in primiparous than in multiparous cows (2.53 vs. 2.28 mmol/L, respectively). The proportion of cows having SCH-0 and SCH-7 was 27.3 and 39.3%, respectively. Fall-calving cows had lower odds for SCH-0 [odds ratio (OR) = 0.31, 95% confidence interval (CI) = 0.12–0.86] than summer-calving cows, multiparous cows had higher odds for SCH-0 (OR = 3.96, 95% CI = 1.09–14.39) than primiparous cows, and cows with prepartum BCS ≥3.00 had higher odds for SCH-0 (OR = 4.03, 95% CI = 1.17–13.89) than in cows with BCS <3.00. Conversely, parity and prepartum BCS were not important predictors for SCH-7. Surprisingly, SCH-0 was not a risk factor for SCH-7. Cows with SCH-0 had lower odds for P1AI (OR = 0.26, 95% CI = 0.07–0.99) than normocalcemic cows, given that P1AI was 14 versus 38%, respectively. The hazard of first service was not associated with SCH-0 (hazard ratio = 1.03, 95% CI = 0.63–1.70) but cows with SCH-0 had lower hazard of pregnancy (hazard ratio = 0.39, 95% CI = 0.16–0.98) and took 32 d longer to get pregnant (105 vs. 73) than normocalcemic cows. Conversely, SCH-7 was not associated with fertility. Finally, SCH-0 and SCH-7 were associated with the odds for subclinical ketosis and metritis, respectively. In conclusion, SCH-0 but not SCH-7 is associated with reduced fertility in a herd of grazing dairy cows, but both were associated with health status.
Keywords	3-hydroxybutyric acid ; blood ; calcium ; calving ; confidence interval ; dairy cows ; dairy farming ; endometritis ; grazing ; health status ; herds ; Holstein ; hypocalcemia ; insemination ; ketosis ; logit analysis ; milk ; observational studies ; odds ratio ; pregnancy ; risk factors ; summer ; Argentina
Language	English
Dates of publication	2018-11
Size	p. 10469-10477.
Publishing place	Elsevier Inc.
Document type	Article
ZDB-ID	242499-x
ISSN	1525-3198 ; 0022-0302
ISSN (online)	1525-3198
ISSN	0022-0302
DOI	10.3168/jds.2017-14242
Database	NAL-Catalogue (AGRICOLA)

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