Early and Late Embryonic Loss of Smallholder Synchronized Dairy Cows Within Ethiopia

Bainesagn Worku; Million Tadesse; Azage Tegegne

doi:doi:10.11648/j.cb.20200801.11

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Early and Late Embryonic Loss of Smallholder Synchronized Dairy Cows Within Ethiopia

Bainesagn Worku, Million Tadesse, Azage Tegegne

Published in Cell Biology (Volume 8, Issue 1)

Received: 19 October 2019 Accepted: 26 November 2019 Published: 7 April 2020

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Abstract

This study was carried out on 53 cows selected from smallholder dairy farmers in the Ejerie, Adea Berga and Metarobi western Shoa of Oromia in Ethiopia. All of the cows were investigated in October and November, 2015 for their cyclicity, pregnancy and mainly for early embryonic mortality determination. Milk samples were collected from the 53 of synchronized lactating cows involved in the estrus synchronization programme at the time of AI (day 0). Out of lactating cows, 33 exhibited true heat but due heat detection error, only 26 lactating cows were inseminated in day AI (Artificial Insemination). After it was confirmed that 20 lactating cows were pregnant, then they were continued for further progesterone profiling starting from day 18 to 45 day of post AI at interval of 3 days for determination of early embryonic loss based on progesterone concentration. The milk sample was analyzed by Hormonost Farmer Test. Results of the study indicated that about 60% of lactating cows maintain pregnancy until 45-day post AI whereas 15%, 15% and 10% of early pregnant lactating cow’s loss their embryo at 21^st to 24^th days, 27^th to 30^th days and 33^rd day of post AI, respectively. The average progesterone concentration for pregnant cows was 24.46 ng/ml at day 21 to day 45 post AI. Based on finding of this result monitoring and evaluating reproductive traits with progesterone profiling is recommended to improve the fertility of dairy cattle. Finally, embryonic loss detection may serve as a basis for improvement of fertility of dairy cows mean while it will help for designing appropriate breeding management of dairy cattle.

Published in	Cell Biology (Volume 8, Issue 1)
DOI	10.11648/j.cb.20200801.11
Page(s)	1-7
Creative Commons	This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.
Copyright	Copyright © The Author(s), 2020. Published by Science Publishing Group

Keywords

Embryonic Mortality, Milk Progesterone, Progesterone Profiling

References

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APA Style

Bainesagn Worku, Million Tadesse, Azage Tegegne. (2020). Early and Late Embryonic Loss of Smallholder Synchronized Dairy Cows Within Ethiopia. Cell Biology, 8(1), 1-7. https://doi.org/10.11648/j.cb.20200801.11

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ACS Style

Bainesagn Worku; Million Tadesse; Azage Tegegne. Early and Late Embryonic Loss of Smallholder Synchronized Dairy Cows Within Ethiopia. Cell Biol. 2020, 8(1), 1-7. doi: 10.11648/j.cb.20200801.11

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AMA Style

Bainesagn Worku, Million Tadesse, Azage Tegegne. Early and Late Embryonic Loss of Smallholder Synchronized Dairy Cows Within Ethiopia. Cell Biol. 2020;8(1):1-7. doi: 10.11648/j.cb.20200801.11

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@article{10.11648/j.cb.20200801.11,
  author = {Bainesagn Worku and Million Tadesse and Azage Tegegne},
  title = {Early and Late Embryonic Loss of Smallholder Synchronized Dairy Cows Within Ethiopia},
  journal = {Cell Biology},
  volume = {8},
  number = {1},
  pages = {1-7},
  doi = {10.11648/j.cb.20200801.11},
  url = {https://doi.org/10.11648/j.cb.20200801.11},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.cb.20200801.11},
  abstract = {This study was carried out on 53 cows selected from smallholder dairy farmers in the Ejerie, Adea Berga and Metarobi western Shoa of Oromia in Ethiopia. All of the cows were investigated in October and November, 2015 for their cyclicity, pregnancy and mainly for early embryonic mortality determination. Milk samples were collected from the 53 of synchronized lactating cows involved in the estrus synchronization programme at the time of AI (day 0). Out of lactating cows, 33 exhibited true heat but due heat detection error, only 26 lactating cows were inseminated in day AI (Artificial Insemination). After it was confirmed that 20 lactating cows were pregnant, then they were continued for further progesterone profiling starting from day 18 to 45 day of post AI at interval of 3 days for determination of early embryonic loss based on progesterone concentration. The milk sample was analyzed by Hormonost Farmer Test. Results of the study indicated that about 60% of lactating cows maintain pregnancy until 45-day post AI whereas 15%, 15% and 10% of early pregnant lactating cow’s loss their embryo at 21st to 24th days, 27th to 30th days and 33rd day of post AI, respectively. The average progesterone concentration for pregnant cows was 24.46 ng/ml at day 21 to day 45 post AI. Based on finding of this result monitoring and evaluating reproductive traits with progesterone profiling is recommended to improve the fertility of dairy cattle. Finally, embryonic loss detection may serve as a basis for improvement of fertility of dairy cows mean while it will help for designing appropriate breeding management of dairy cattle.},
 year = {2020}
}

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TY  - JOUR
T1  - Early and Late Embryonic Loss of Smallholder Synchronized Dairy Cows Within Ethiopia
AU  - Bainesagn Worku
AU  - Million Tadesse
AU  - Azage Tegegne
Y1  - 2020/04/07
PY  - 2020
N1  - https://doi.org/10.11648/j.cb.20200801.11
DO  - 10.11648/j.cb.20200801.11
T2  - Cell Biology
JF  - Cell Biology
JO  - Cell Biology
SP  - 1
EP  - 7
PB  - Science Publishing Group
SN  - 2330-0183
UR  - https://doi.org/10.11648/j.cb.20200801.11
AB  - This study was carried out on 53 cows selected from smallholder dairy farmers in the Ejerie, Adea Berga and Metarobi western Shoa of Oromia in Ethiopia. All of the cows were investigated in October and November, 2015 for their cyclicity, pregnancy and mainly for early embryonic mortality determination. Milk samples were collected from the 53 of synchronized lactating cows involved in the estrus synchronization programme at the time of AI (day 0). Out of lactating cows, 33 exhibited true heat but due heat detection error, only 26 lactating cows were inseminated in day AI (Artificial Insemination). After it was confirmed that 20 lactating cows were pregnant, then they were continued for further progesterone profiling starting from day 18 to 45 day of post AI at interval of 3 days for determination of early embryonic loss based on progesterone concentration. The milk sample was analyzed by Hormonost Farmer Test. Results of the study indicated that about 60% of lactating cows maintain pregnancy until 45-day post AI whereas 15%, 15% and 10% of early pregnant lactating cow’s loss their embryo at 21st to 24th days, 27th to 30th days and 33rd day of post AI, respectively. The average progesterone concentration for pregnant cows was 24.46 ng/ml at day 21 to day 45 post AI. Based on finding of this result monitoring and evaluating reproductive traits with progesterone profiling is recommended to improve the fertility of dairy cattle. Finally, embryonic loss detection may serve as a basis for improvement of fertility of dairy cows mean while it will help for designing appropriate breeding management of dairy cattle.
VL  - 8
IS  - 1
ER  -

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Author Information

Bainesagn Worku

Ethiopian Institute of Agricultural Research Center, Holeta, Ethiopia
Million Tadesse

Ethiopian Institute of Agricultural Research Center, Holeta, Ethiopia
Azage Tegegne

International Livestock Research Institute (ILRI), Addis Ababa, Ethiopia

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APA Style

Bainesagn Worku, Million Tadesse, Azage Tegegne. (2020). Early and Late Embryonic Loss of Smallholder Synchronized Dairy Cows Within Ethiopia. Cell Biology, 8(1), 1-7. https://doi.org/10.11648/j.cb.20200801.11

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ACS Style

Bainesagn Worku; Million Tadesse; Azage Tegegne. Early and Late Embryonic Loss of Smallholder Synchronized Dairy Cows Within Ethiopia. Cell Biol. 2020, 8(1), 1-7. doi: 10.11648/j.cb.20200801.11

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AMA Style

Bainesagn Worku, Million Tadesse, Azage Tegegne. Early and Late Embryonic Loss of Smallholder Synchronized Dairy Cows Within Ethiopia. Cell Biol. 2020;8(1):1-7. doi: 10.11648/j.cb.20200801.11

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@article{10.11648/j.cb.20200801.11,
  author = {Bainesagn Worku and Million Tadesse and Azage Tegegne},
  title = {Early and Late Embryonic Loss of Smallholder Synchronized Dairy Cows Within Ethiopia},
  journal = {Cell Biology},
  volume = {8},
  number = {1},
  pages = {1-7},
  doi = {10.11648/j.cb.20200801.11},
  url = {https://doi.org/10.11648/j.cb.20200801.11},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.cb.20200801.11},
  abstract = {This study was carried out on 53 cows selected from smallholder dairy farmers in the Ejerie, Adea Berga and Metarobi western Shoa of Oromia in Ethiopia. All of the cows were investigated in October and November, 2015 for their cyclicity, pregnancy and mainly for early embryonic mortality determination. Milk samples were collected from the 53 of synchronized lactating cows involved in the estrus synchronization programme at the time of AI (day 0). Out of lactating cows, 33 exhibited true heat but due heat detection error, only 26 lactating cows were inseminated in day AI (Artificial Insemination). After it was confirmed that 20 lactating cows were pregnant, then they were continued for further progesterone profiling starting from day 18 to 45 day of post AI at interval of 3 days for determination of early embryonic loss based on progesterone concentration. The milk sample was analyzed by Hormonost Farmer Test. Results of the study indicated that about 60% of lactating cows maintain pregnancy until 45-day post AI whereas 15%, 15% and 10% of early pregnant lactating cow’s loss their embryo at 21st to 24th days, 27th to 30th days and 33rd day of post AI, respectively. The average progesterone concentration for pregnant cows was 24.46 ng/ml at day 21 to day 45 post AI. Based on finding of this result monitoring and evaluating reproductive traits with progesterone profiling is recommended to improve the fertility of dairy cattle. Finally, embryonic loss detection may serve as a basis for improvement of fertility of dairy cows mean while it will help for designing appropriate breeding management of dairy cattle.},
 year = {2020}
}

Copy | Download

TY  - JOUR
T1  - Early and Late Embryonic Loss of Smallholder Synchronized Dairy Cows Within Ethiopia
AU  - Bainesagn Worku
AU  - Million Tadesse
AU  - Azage Tegegne
Y1  - 2020/04/07
PY  - 2020
N1  - https://doi.org/10.11648/j.cb.20200801.11
DO  - 10.11648/j.cb.20200801.11
T2  - Cell Biology
JF  - Cell Biology
JO  - Cell Biology
SP  - 1
EP  - 7
PB  - Science Publishing Group
SN  - 2330-0183
UR  - https://doi.org/10.11648/j.cb.20200801.11
AB  - This study was carried out on 53 cows selected from smallholder dairy farmers in the Ejerie, Adea Berga and Metarobi western Shoa of Oromia in Ethiopia. All of the cows were investigated in October and November, 2015 for their cyclicity, pregnancy and mainly for early embryonic mortality determination. Milk samples were collected from the 53 of synchronized lactating cows involved in the estrus synchronization programme at the time of AI (day 0). Out of lactating cows, 33 exhibited true heat but due heat detection error, only 26 lactating cows were inseminated in day AI (Artificial Insemination). After it was confirmed that 20 lactating cows were pregnant, then they were continued for further progesterone profiling starting from day 18 to 45 day of post AI at interval of 3 days for determination of early embryonic loss based on progesterone concentration. The milk sample was analyzed by Hormonost Farmer Test. Results of the study indicated that about 60% of lactating cows maintain pregnancy until 45-day post AI whereas 15%, 15% and 10% of early pregnant lactating cow’s loss their embryo at 21st to 24th days, 27th to 30th days and 33rd day of post AI, respectively. The average progesterone concentration for pregnant cows was 24.46 ng/ml at day 21 to day 45 post AI. Based on finding of this result monitoring and evaluating reproductive traits with progesterone profiling is recommended to improve the fertility of dairy cattle. Finally, embryonic loss detection may serve as a basis for improvement of fertility of dairy cows mean while it will help for designing appropriate breeding management of dairy cattle.
VL  - 8
IS  - 1
ER  -

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