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Kaneko K, Mungthong K, Noguchi M. Day of prostaglandin F 2α administration after natural ovulation affects the interval to ovulation, the type of ovulated follicle, and the failure to induce ovulation in cows. J Vet Med Sci 2020; 82:590-597. [PMID: 32173693 PMCID: PMC7273605 DOI: 10.1292/jvms.19-0674] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
Abstract
The factors that affect the interval to ovulation, the type of ovulated dominant follicle (DF), and the cause of anovulation after prostaglandin (PG) treatment were investigated. Nine cows
were assigned to six groups (54 cows in total) but the group size was later fixed at eight cows (48 in total). They received 25 mg tromethamine dinoprost as dinoprost on Day 6 (Group D6),
Day 7 (Group D7), Day 8 (Group D8), Day 9 (Group D9), Day 10 (Group D10), or Day 11 (Group D11) after natural ovulation (Day 0). If the DF did not ovulate, then the cow was assigned to Group
NO. In Group D6, the 1st DF ovulated in all cows 4 days after PG treatment, whereas in Groups D9, D10, and D11, the 2nd DF ovulated in all cows 4 to 7 days after PG treatment. In 10 cows,
the DF did not ovulate, and late anovulation was significantly higher in Group D6 cows than in Group D11 cows. The progesterone (P4) levels decreased to less than 1
ng/ml in all groups on the day after PG treatment. The estradiol-17β (E2) levels began to increase after PG treatment and peaked at 2 days
before ovulation in the cows that ovulated. In anovulated cows, E2 tended to be higher and there was no clear E2 peak in some cows. These results indicated that the
number of days to ovulation, the type of ovulated DF, and anovulation were affected by factors that were associated with the DF when it was producing E2.
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Affiliation(s)
- Kazuyuki Kaneko
- Department of Veterinary Obstetrics and Gynecology, Azabu University, 1-17-71 Fuchinobe, Chuo-ku, Sagamihara, Kanagawa 229-8501, Japan
| | - Kanumporn Mungthong
- Kasetsart University Veterinary Teaching-Hospital Nongpho, Kasetsart University, 121 Moo 8 Banleuk, Amphoe Potharam, Ratchaburi 70120, Thailand
| | - Michiko Noguchi
- Department of Veterinary Obstetrics and Gynecology, Azabu University, 1-17-71 Fuchinobe, Chuo-ku, Sagamihara, Kanagawa 229-8501, Japan
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Hirabayashi H, Kawashima K, Okimura T, Tateno A, Suzuki A, Asakuma S, Isobe N, Obitsu T, Sugino T, Kushibiki S. Effect of nutrient levels during the far-off period on postpartum productivity in dairy cows. Anim Sci J 2016; 88:1162-1170. [DOI: 10.1111/asj.12743] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2016] [Revised: 09/11/2016] [Accepted: 09/23/2016] [Indexed: 01/14/2023]
Affiliation(s)
- Haruhi Hirabayashi
- Gunma Prefectural Livestock Experiment Station; Maebashi Gunma Japan
- Graduate School of Life and Environmental Science; University of Tsukuba; Ibaraki Japan
| | | | - Tomoko Okimura
- Toyama Prefectural Agricultural; Forestry and Fisheries Research Center; Toyama Japan
| | - Ayane Tateno
- Tochigi Livestock and Dairy Research Center; Tochigi Japan
| | - Akitsu Suzuki
- The National Federation of Dairy Cooperative Associations (ZENRAKUREN); Tokyo Japan
| | - Sadaki Asakuma
- Hokkaido Agricultural Research Center; Sapporo Hokkaido Japan
| | - Naoki Isobe
- Graduate School of Biosphere Science, Faculty of Applied Biological Science; Hiroshima University; Hiroshima Japan
| | - Taketo Obitsu
- Graduate School of Biosphere Science, Faculty of Applied Biological Science; Hiroshima University; Hiroshima Japan
| | - Toshihisa Sugino
- Graduate School of Biosphere Science, Faculty of Applied Biological Science; Hiroshima University; Hiroshima Japan
| | - Shiro Kushibiki
- National Institute of Livestock and Grassland Science; Ibaraki Japan
- Graduate School of Life and Environmental Science; University of Tsukuba; Ibaraki Japan
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Isobe N, Iwamoto C, Kubota H, Yoshimura Y. Relationship between the somatic cell count in milk and reproductive function in peripartum dairy cows. J Reprod Dev 2014; 60:433-7. [PMID: 25196356 PMCID: PMC4284317 DOI: 10.1262/jrd.2014-065] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023] Open
Abstract
The aim of the present study was to examine the effect of the somatic cell count (SCC) in milk on reproductive performance, such as pregnancy status in the prepartum period and ovarian function in the postpartum period, in dairy cows. Blood samples were collected every week from one month prepartum to parturition in order to measure the concentrations of 13,14-dihydro-15-keto-PGF2α (PGFM), estrone sulfate (E1S) and progesterone. Milk samples were collected three times per week in both the prepartum (for one month before the dry period) and postpartum periods (for 3 months immediately after parturition) to measure the SCC. Progesterone was also determined in the whole milk of postpartum cows to define the day of the first ovulation. In the prepartum period, the maximum SCC negatively correlated with the pregnancy period (r = –0.77), but not the calf birth weight. Positive and negative correlations were observed between the average SCC and PGFM or progesterone
concentrations in plasma, respectively (r = 0.84 or –0.92, respectively), at 39 weeks of pregnancy. In the postpartum period, a correlation was observed between the day of the first ovulation and both the average and maximum SCC (r = –0.74 and –0.75, respectively), whereas days open was not related to the SCC. These results suggest that a high SCC in the prepartum period may advance parturition by increasing PGF2α and decreasing progesterone and that the first ovulation in the postpartum period was affected by a high SCC.
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Affiliation(s)
- Naoki Isobe
- Graduate School of Biosphere Science, Hiroshima University, Higashi-Hiroshima 739-8528, Japan
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OHTAKI T, MORIYOSHI M, NAKADA K, NAKAO T, SAWAMUKAI Y. Relationships among steroid hormone levels in newborn piglets, birth weight, placental weight, vitality of offspring and litter size. Anim Sci J 2012; 83:644-9. [DOI: 10.1111/j.1740-0929.2012.01012.x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Kohan-Ghadr H, Fecteau G, Smith L, Murphy B, Lefebvre R. Endocrine profiles of somatic nuclear transfer-derived pregnancies in dairy cattle. Theriogenology 2011; 76:911-20. [DOI: 10.1016/j.theriogenology.2011.04.022] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2010] [Revised: 03/16/2011] [Accepted: 04/22/2011] [Indexed: 10/18/2022]
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Hirayama H, Sawai K, Moriyasu S, Hirayama M, Goto Y, Kaneko E, Miyamoto A, Ushizawa K, Takahashi T, Minamihashi A. Excess estrogen sulfoconjugation as the possible cause for a poor sign of parturition in pregnant cows carrying somatic cell clone fetuses. Reproduction 2008; 136:639-47. [DOI: 10.1530/rep-08-0157] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
We conducted this study to elucidate a factor causing a poor sign of parturition and prolonged gestation, which is frequently observed in cows carrying somatic clone fetuses. Pre-partum rises in concentrations of plasma estrone and estradiol-17β in the recipient cows pregnant with clones were subtle. By contrast, the plasma concentration of estrone sulfate in clone pregnancies increased gradually from pre-initiation of parturition induction whereas control cows that receivedin vivo-derived embryos showed a significant increase at parturition. Therefore, in clone pregnancies, the ratio of estrone/estrone sulfate was low during the pre-partum period compared with control. Messenger RNA expression of estrogen sulfotransferase (SULT1E1) in the placenta at parturition was significantly higher in clone pregnancies than control pregnancies and was localized in binucleate cells (BNC).SULT1E1mRNA abundance was negatively and positively correlated with concentrations of maternal estrone and estrone sulfate at parturition respectively. Messenger RNA expressions of estrogen sulfatase (STS) and aromatase (CYP19) were similar between clone and control pregnancies and were localized in BNC and caruncular epithelial cells.STSandCYP19mRNA abundances showed positive correlations with maternal estradiol-17β concentration. The population of BNC in the placenta did not differ between clone and control pregnancies. Plasma cortisol concentration of vaginally delivered newborn clone calves was comparable with those of control, although cesarean section delivered clone calves showed a low concentration. These results suggest that excess estrogen sulfoconjugation is the reason for the perturbed low ratio of active to inactive estrogens and the resulting hormonal imbalance contributes to the lack of overt signs of readiness for parturition in cows pregnant with clones.
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Isobe N, Yoshimura Y. Deficient Proliferation and Apoptosis in the Granulosa and Theca Interna Cells of the Bovine Cystic Follicle. J Reprod Dev 2007; 53:1119-24. [PMID: 17615444 DOI: 10.1262/jrd.19041] [Citation(s) in RCA: 41] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
The aim of the present study was to examine the frequencies of cell proliferation and death of granulosa and theca interna layers during development of cystic follicles in order to understand the mechanisms of cystic follicle formation. Paraffin sections of cystic follicles were immunostained with antibodies against proliferating cell nuclear antigen (PCNA) and cleaved caspase-3 in order to observe proliferating and apoptotic cells, respectively. The concentrations of estradiol-17beta and progesterone in the follicular fluid of these follicles were measured by ELISA. The granulosa and theca interna layers contained both PCNA- and caspase-3-positive cells, although their numbers were limited. There was significant negative correlation between the estradiol-17beta and progesterone concentrations in the follicular fluid. Regression analysis revealed no significant correlation, except for that between the PCNA-positive cells in the theca interna and the caspase-3-positive cells in the granulosa layer. These results indicate that the granulosa and theca interna cells of the cystic follicle show weak proliferative activity and low apoptotic frequency; this implies that the cystic follicle grows slowly and then maintains a static condition without degeneration, which leads to long-term persistence of the follicle.
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Affiliation(s)
- Naoki Isobe
- Graduate School of Biosphere Science, Hiroshima University, Higashi-Hiroshima, Japan.
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Feranil JB, Isobe N, Nakao T. Immunolocalization of von Willebrand Factor and Vascular Endothelial Growth Factor during Follicular Atresia in the Swamp Buffalo Ovary. J Reprod Dev 2005; 51:419-26. [PMID: 15846045 DOI: 10.1262/jrd.17011] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
The aim of this study was to investigate the distribution pattern of von Willebrand factor (vWF) and vascular endothelial growth factor (VEGF) in the healthy antral and atretic follicles of Philippine swamp buffaloes (SB) in comparison with Holstein-Friesian cows (HF). Paraffin sections of healthy follicles and atretic follicles at various stages were immunostained with vWF antibody and VEGF antibody. The density of vWF-positive capillary vessels in the theca interna significantly increased as atresia progressed in SB, whereas the density significantly decreased in late atretic follicles compared with advanced ones in HF. On the other hand, the area of vWF-positive capillary vessels in the theca interna significantly increased as atresia progressed in both SB and HF. Immunoreactions of VEGF in the granulosa cells (in all follicle types) were observed in both SB and HF. In the granulosa layer, a reduction in the VEGF immunoreaction was noted as follicles progressed from healthy to advanced atretic follicles in both animals. Granulosa cells (in both SB and HF) showed a higher immunopositive staining than theca cells. In the theca interna, VEGF immunostaining diminished as follicles progressed to the late atretic follicles in both animals. These results indicate that during atresia, changes of vWF expression are the opposite of VEGF expression in SB. Both vWF and VEGF are suggested to be associated with follicular atresia in SB.
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Affiliation(s)
- Jun Babaan Feranil
- Laboratory of Animal Science, Graduate School for International Development and Cooperation, Hiroshima University, Japan
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Isobe N, Nakao T. Pregnancy Diagnosis in Miniature Pig by Direct ELISA of Oestrone Derivatives in Faeces. Reprod Domest Anim 2004; 39:48-51. [PMID: 15129921 DOI: 10.1046/j.1439-0531.2003.00477.x] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
The objectives of the present study were to measure oestrone derivatives [oestrone, oestrone sulphate (E1S) and oestrone glucuronide] in sow faeces by direct enzyme-linked immunosorbent assay (ELISA) and to explore the changes of oestrone derivative profile in faeces of miniature pig for demonstrating the possibility of pregnancy diagnosis. Faecal samples (1.5 g) were put into 6 ml of buffer, shaken and centrifuged. Then supernatant was added to the wells of multi-plate without extraction and incubated with anti-oestrone antibody and horseradish peroxidase-labelled oestrone. Standard solution was prepared at various concentrations of E1S. Sensitivity was estimated as 0.035 ng/ml (0.14 ng/g). Intra- and inter-assay coefficient variations were 3.5-7.7% and 10.9-15.3%, respectively. When 1-5 ng/ml E1S were added to a faecal solution, recovery rates ranged between 80.0 and 103.3%. There is a temporal increase in the E1S equivalent concentration of miniature pig faeces from day 25 to 31 after mating. From day 35 to 70, the E1S equivalent concentrations remained low. Thereafter its concentrations increased again towards farrowing. On day 27 and 29 after mating pregnancy diagnosis by the faecal E1S equivalent concentrations agreed with the results of farrowing (seven of seven animals). These results suggest that the present direct ELISA is practical and suitable as a routine assay for measuring the faecal concentration of oestrone derivatives and that this assay might be usable for pregnancy diagnosis in sows at day 27-29.
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Affiliation(s)
- N Isobe
- Graduate School for International Development and Cooperation, Hiroshima University, Higashi-Hiroshima, Japan.
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Isobe N, Nakao T, Uehara O, Yamashiro H, Kubota H. Plasma Concentration of Estrone Sulfate during Pregnancy in Different Breeds of Japanese Beef Cattle. J Reprod Dev 2003; 49:369-74. [PMID: 14967912 DOI: 10.1262/jrd.49.369] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Plasma concentrations of estrone sulfate in different breeds of Japanese beef cattle and the relationship between those concentrations and feto-placental growth were examined in order to assess the possibility of monitoring abnormal growth of the fetus. Blood samples were obtained from cows from day 90 of gestation to parturition. The plasma concentration of estrone sulfate was measured by direct enzyme immunoassay. From day 180 of gestation, the mean concentration of estrone sulfate increased gradually and it was drastically elevated after day 240 of gestation with the maximum at day 285. Plasma concentrations of estrone sulfate on day 240 of gestation was significantly increased in F(1) cows (Holstein Friesian and Japanese Black) compared with those in other breeds of cow. From day 270 to 278 of gestation, estrone sulfate concentrations of Holstein Friesian cows inseminated by Holstein Friesian differed from those inseminated by Japanese Black. In the cow with retained placenta, the plasma concentration of estrone sulfate reached plateau at day 240 of gestation and did not increase thereafter. There was no significant relationship between estrone sulfate concentration and duration of gestation, calf birth weight, weight of placenta or viability of newborn calves. These results indicate that changes of plasma estrone sulfate concentration in Japanese beef cattle are very similar to those in Holstein dairy cattle. They also suggest that the plasma concentration of estrone sulfate is associated with the breed of pregnant cow and that its concentration is also affected by calf birth weight depending on the breed of bull. It seems possible to predict the incidence of retained placenta but not the calf birth weight and viability of newborn calves in Japanese beef cattle.
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Affiliation(s)
- Naoki Isobe
- Graduate School for International Development and Cooperation, Hiroshima University, Higashi-Hiroshima 739-8529, Japan.
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Effects of Estrone Sulfate Administration on Reproductive Functions in Male Japanese Quail. J Poult Sci 2003. [DOI: 10.2141/jpsa.40.247] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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