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Journal : Ovozoa: Journal of Animal Reproduction

Determination of estrus duration based on cervical mucus characteristics in Aceh cattle using camera-equipped artificial insemination endoscope Dian Mulfristia; Hendra Saputra; Cut Nila Thasmi; Hafizuddin Hafizuddin; Ginta Riady; Mudhita Zikkrullah Ritonga; Rosmaidar Rosmaidar
Ovozoa: Journal of Animal Reproduction Vol. 11 No. 2 (2022): Ovozoa: Journal of Animal Reproduction
Publisher : Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/ovz.v11i2.2022.59-65

Abstract

This study aimed to determine the length of the estrus period in Aceh cows based on changes in the characteristics of cervical mucus observed using a camera-equipped artificial insemination (AI) endoscope. This study used twelve healthy and reproductively sound cows aged 4-6 years. All cows were synchronized using prostaglandin F2α (PGF2α) injected intramuscularly twice, 11 days apart. Estrus detection was conducted 24 hours following the second injection of PGF2α three times daily for 30 minutes, respectively. Estrous cows were then subjected to the examination of their cervical mucus at 0, 6, 12, and 18 hours after the beginning of estrus. This study showed that out of 12 samples, only eight cows exhibited estrus signs. Characteristics of cervical mucus of cows at 0 and 6 hours of estrus were transparent. At 12 hours of estrus, five cows showed transparency, and the remaining three cows showed cloudy cervical mucus. Meanwhile, at 18 hours of estrus, all sampled cows showed cloudy cervical mucus then regarded as the end of the estrus. That means the estrus length of Aceh cows in this study was 15.75 ± 3.11 hours. It can be concluded that the determination of the duration of estrus in Aceh cows based on changes in the characteristics of the cervical mucus can be carried out using an AI endoscope with a camera. For further research, it is suggested to apply this estrus detection technique in the implementation of AI and determine the pregnancy rate.
Determination of estrus in Aceh cows based on the van Eerdenburg method Qathrinnada Ramadhana; Ginta Riady; Hafizuddin Hafizuddin; Cut Nila Thasmi; Erdiansyah Rahmi; Amalia Sutriana
Ovozoa: Journal of Animal Reproduction Vol. 11 No. 3 (2022): Ovozoa: Journal of Animal Reproduction
Publisher : Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/ovz.v11i3.2022.103-108

Abstract

Accurate determination of estrus status in an animal based on an appropriate estrus detection method can guarantee the cows' pregnancy after mating. This study aims to determine the estrus status of Aceh cows using the van Eerdenburg estrus behavior scoring method. This study was conducted from 22 January to 12 February 2021, at the Technical Implementation Unit for Animals of the Faculty of Veterinary Medicine, Universitas Syiah Kuala, Banda Aceh, Indonesia. The sample used was eleven Aceh cows aged 4-6 years old. Parameters observed were the number of cows exhibiting signs of estrus using the estrus behavior scoring method. The accuracy of estrus detection was confirmed by palpation per rectum to detect the presence of uterine tone. By observing signs of estrus using the method studied, 90.9% (10/11) of the cows were determined to be in estrus. Confirmation by the presence of uterine tone showed a 100% accuracy rate. The most effective sign of estrus was the passivity of the cow when being ridden by another cow or bull. This study concluded that estrus status in local cows could be determined using the estrus behavior scoring of the van Eerdenburg method.
Total protein, albumin, and globulin levels of blood serum in repeat breeder Holstein Friesian cows Asrar, Siti Iqmallisa Nurrill; Rimayanti Rimayanti; Ismudiono Ismudiono; Maslichah Mafruchati; Gandul Atik Yuliani; Ginta Riady
Ovozoa: Journal of Animal Reproduction Vol. 12 No. 2 (2023): Ovozoa: Journal of Animal Reproduction
Publisher : Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/ovz.v12i2.2023.90-98

Abstract

This study aimed to determine the relationship between total protein, albumin, and globulin in the blood with the incidence of repeat breeders in dairy cows. Ten normal cyclic cows and ten repeat breeders cows were taken randomly based on the reproductive records of the Tani Wilis Village Cooperative, Sendang District, Tulungagung Regency. Questionnaire data in the form of farmers' knowledge about dairy cows' reproductive systems and feed treatment is displayed descriptively.  Dairy cows blood samples were taken from the jugular vein 6 mL to measure total protein, albumin, and globulin levels. Data analyzed using the Statistical Product and Service Solution software at a significance level of 5%. The results showed that the total protein, albumin, and globulin levels in normal dairy cows and dairy cows with repeat breeders were not significantly different (p>0.05). However, in normal cyclic cows, most of the total protein, albumin, and globulin levels (80-100% of normal cyclic cows samples) are within the normal range. Meanwhile, the majority of repeat breeder cows (60-70% of the repeat breeder cows) had total protein, albumin, and globulin levels lower than the normal range (p<0.05). It could be concluded that there was a relationship between the incidence of repeat breeder and total protein, albumin, and globulin levels in the blood serum of dairy cows with repeat breeder. Therefore, it is suggested to raise awareness of smallholder farmers about proper feeding and feeding management to reduce repeat breeder cases.
Co-Authors . Darniati Abdul Harris Abdullah Hamzah, Abdullah Agung - Kusasti Al Azhar Amalia Sutriana Andi Novita Arman Sayuti Asrar, Siti Iqmallisa Nurrill Azhar Azhar Azhari Azhari bella vera Budianto Panjaitan Cut Dahlia Iskandar Cut Nila Thasmi Cut Nila Thasmi, Cut Nila Dasrul Dasrul Dasrul Dasrul Dian Mulfristia Dwinna Aliza Erdiansyah Rahmi Fadlah, Iga Fahrul Brinaldi Faisal Mustafa Fakhrurrazi Fakhrurrazi Frengki Frengki, Frengki Gandul Atik Yuliani Hafizuddin Hafizuddin Hamdan H Hamdan h Hamdan Hamdan Hasan, Denny Irmawati Hasanah, Lailatul Hendra Saputra Husnurrizal, Husnurrizal Idawati Nasution Ismail Ismail Ismudiono Ismudiono Istarham Prima Juli Melia Juli Melia Lestari, Rafika M Daud AK M Jalaluddin M Nur Salim M. Hasan M. Yusuf M.iSA - Mafruchati, Maslichah Maghfirah, Aura Maryulia Dewi Masda Admi Mudhita Zikkrullah Ritonga Muhammad Anshar Mamas Mulyadi Adam Mulyadi Adam Muslim Akmal Mustafa Sabri N. Nazaruddin Nabilah Putroe Agung nadya septia nengsih Nanda Balia Tarmizi NURLIANA NURLIANA NURLIANA NURLIANA Nurzalika, Siti permata rosadi Qathrinnada Ramadhana Rahmadhini, Vivi Raivan Fazil Rastina, Rastina Razali Daud Razali Razali Reni Ayunanda Reni Ayunanda, Reni Riandi, Lian Varis Rimayanti Rimayanti Rosmaidar Rosmaidar Rosmaidar Rosmaidar, Rosmaidar Roy Tigana Putra Sadri, Hidayatus Sari, Wahyu Eka silvia rizki Sri Wahyuni Sugito Sugito Sugito Sugito Syafruddin - T. Fadrial Karmil T. Reza Ferasyi Teuku Reza Ferasyi Tomi Prabudi Tongku Nizwan Siregar Triyuliani, Ririn wanti dessi dana Winaruddin Winaruddin Yona, Safetri Zainuddin Zainuddin