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RISS 인기검색어
- 검색키워드
- 저자 : Abdulla Al Maruf (검색결과 4 건)
- 무료
- 기관 내 무료
- 유료
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Reproductive Disorders that Limits the Reproductive Performances in Dairy Cows of Bangladesh
Al Maruf, Abdulla,Paul, Ashit Kumar,Bonaparte, Napolean,Bhuyian, Mosharrof Hossain,Shamsuddin, Mohammed 韓國受精卵移植學會 2014 한국동물생명공학회지 Vol.29 No.2
The reproductive disorders are the major causes of reproductive infertility in cows that affect the total annual calf crop, resulting in great economic loss in Bangladesh. The aim of the study was to find out the reproductive disorders (RD) in dairy cows that markedly influences the reproductive performances in aspect of Bangladesh. A total number of 1658 dairy cows were selected according to their body condition score (BCS) in different farms at the southern part of Bangladesh during the period of 2011 to 2012. The preliminary data (basic information) were collected directly from the dairy farmer’s record books and asking questions according to a prescribed questionnaires as well as the diagnosis of RD was presumptively confirmed on the basis of history, clinical signs and examination of animals by ultrasonography and others necessary tools. There are thirteen major reproductive disorders were identified. Overall prevalence of reproductive disorders at that area were 23%, among of these anoestrus 5.1%, repeat breeder 3.7%, metritis 4.4%, poor heat detection 1.6%, ovarian cyst 0.36%, retain placenta 4.6%, dystocia 0.97% and pyometra 0.24%. It is indicated that anoestrus and retention of placenta after calving was most hazardous cause of infertility whereas the metritis and repeat breeder were the second line of consequence. RD had shown significantly higher incidence in low BCS (≤2) than that of fair (2.5) and very good (≥3∼3.5). In conclusion, the highest RD especially anoestrus and retention of placenta is very alarming for reproductive loss which might be needed further research to identify the specific cause of these disorders for establishment a profitable dairying and dairy population.
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Reproductive Disorders that Limits the Reproductive Performances in Dairy Cows of Bangladesh
Abdulla Al Maruf,Ashit Kumar Paul,Napolean Bonaparte,Mosharrof Hossain Bhuyian,Mohammed Shamsuddin 사단법인 한국동물생명공학회 2014 한국동물생명공학회지 Vol.29 No.2
The reproductive disorders are the major causes of reproductive infertility in cows that affect the total annual calfcrop, resulting in great economic loss in Bangladesh. The aim of the study was to find out the reproductive disorders(RD) in dairy cows that markedly influences the reproductive performances in aspect of Bangladesh. A total numberof 1658 dairy cows were selected according to their body condition score (BCS) in different farms at the southernpart of Bangladesh during the period of 2011 to 2012. The preliminary data (basic information) were collected directlyfrom the dairy farmer’s record books and asking questions according to a prescribed questionnaires as well as thediagnosis of RD was presumptively confirmed on the basis of history, clinical signs and examination of animals byultrasonography and others necessary tools. There are thirteen major reproductive disorders were identified. Overallprevalence of reproductive disorders at that area were 23%, among of these anoestrus 5.1%, repeat breeder 3.7%,metritis 4.4%, poor heat detection 1.6%, ovarian cyst 0.36%, retain placenta 4.6%, dystocia 0.97% and pyometra0.24%. It is indicated that anoestrus and retention of placenta after calving was most hazardous cause of infertilitywhereas the metritis and repeat breeder were the second line of consequence. RD had shown significantly higherincidence in low BCS (≤2) than that of fair (2.5) and very good (≥3∼3.5). In conclusion, the highest RD especiallyanoestrus and retention of placenta is very alarming for reproductive loss which might be needed further research toidentify the specific cause of these disorders for establishment a profitable dairying and dairy population.
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Kabir, Md. Parvez,Islam, Md. Rashedul,Maruf, Abdulla Al,Shamsuddin, Mohammed,Bari, Farida Yeasmin,Juyena, Nasrin Sultana,Rahman, Md Saidur The Korean Society of Animal Reproduction 2017 Reproductive & developmental biology Vol.41 No.2
Effective estrus detection and artificial insemination (AI) are necessary for profitable management of dairy herd. In current study, 45 crossbred lactating cows have been selected with the complaint of unobserved oestrus for more than sixty days postpartum. All cows had functional corpus luteum as examined by transrectal ultrasonography. Cows were treated with $PGF_2{\alpha}$ analogue and AI was performed with observed oestrus and then single dose of GnRH was administered. Similar synchronization protocol has been repeated after 14 days in cows that did not repose to first treatment. Remaining cows received additional $PGF_2{\alpha}$ after 14 days of second treatment and timed AI was performed following GnRH administration. Among 45 cows, 28.89% showed estrus after first treatment and 78.79% responded to second hormonal intervention. A higher conception rate (88.89% vs 26.66 and 72.72%) was observed in cows after triple administration of $PGF_2{\alpha}$ and timed AI. We noticed a significant differences in body condition score (BCS, 1~5 scale), postpartum period, and daily milk production between cows that either responded of non-responded following first and second hormonal treatment. In addition, there was a significant positive correlation between daily milk production and BCS, age and postpartum days, milk production and estrus/BCS, and milk production/BCS/estrus and conception rate. Depending upon the findings we conclude that hormonal intervention with $PGF_2{\alpha}$ and GnRH enhances postpartum ovarian cyclicity and help decreasing the days open of dairy herd. Therefore, this finding might provide an excellent guideline for target breeding system for profitable dairy herd management.
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Md. Parvez Kabir,Md. Rashedul Islam,Abdulla Al Maruf,Mohammed Shamsuddin,Farida Yeasmin Bari,Nasrin Sultana Juyena,Md Saidur Rahman 한국동물생명공학회(구 한국동물번식학회) 2017 Reproductive & developmental biology Vol.41 No.2
Effective estrus detection and artificial insemination (AI) are necessary for profitable management of dairy herd. In current study, 45 crossbred lactating cows have been selected with the complaint of unobserved oestrus for more than sixty days postpartum. All cows had functional corpus luteum as examined by transrectal ultrasonography. Cows were treated with PGF2α analogue and AI was performed with observed oestrus and then single dose of GnRH was administered. Similar synchronization protocol has been repeated after 14 days in cows that did not repose to first treatment. Remaining cows received additional PGF2α after 14 days of second treatment and timed AI was performed following GnRH administration. Among 45 cows, 28.89% showed estrus after first treatment and 78.79% responded to second hormonal intervention. A higher conception rate (88.89% vs 26.66 and 72.72%) was observed in cows after triple administration of PGF2α and timed AI. We noticed a significant differences in body condition score (BCS, 1~5 scale), postpartum period, and daily milk production between cows that either responded of non-responded following first and second hormonal treatment. In addition, there was a significant positive correlation between daily milk production and BCS, age and postpartum days, milk production and estrus/BCS, and milk production/BCS/estrus and conception rate. Depending upon the findings we conclude that hormonal intervention with PGF2α and GnRH enhances postpartum ovarian cyclicity and help decreasing the days open of dairy herd. Therefore, this finding might provide an excellent guideline for target breeding system for profitable dairy herd management.
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