Introduction: In Costa Rica, the population of cattle with a genealogical record of the Association of Breeders of Zebu Cattle (ASOCEBU), did not have a reproductive characterization or parameters such as age at first calving (EPP) or calving interval (IEP), which limits the analysis, genetic, and...
Author(s)
Loaiza, M. V.; Coto, R. M.
Publisher
Universidad de Costa Rica, Alajuela, Costa Rica
Citation
Agronomía Mesoamericana, 2021, 32, 1, pp 19-33
Introduction. Motility is the most used seminal quality indicator, therefore, it is necessary to determine an adequate frame rate (FR) to standardize kinetic analysis with computerized semen analysis equipment (CASA-Mot) and reduce variability between laboratories, which will improve the number of...
Author(s)
Barquero, V.; Víquez, L.; Calderón, J. C.; Valverde, A.
Publisher
Universidad de Costa Rica, Alajuela, Costa Rica
Citation
Agronomía Mesoamericana, 2021, 32, 1, pp 1-18
Fascioliasis is a freshwater snail-borne zoonotic disease. The Northern Bolivian Altiplano is a very high altitude endemic area where the highest human prevalences and intensities have been reported. Preventive chemotherapy by treatment campaigns is yearly applied. However, liver fluke infection of ...
Author(s)
Bargues, M. D.; Angles, R.; Coello, J.; Artigas, P.; Funatsu, I. R.; Cuervo, P. F.; Buchon, P.; Mas-Coma, S.
Publisher
Colégio Brasileiro de Parasitologia Veterinária, São Paulo, Brazil
Citation
Brazilian Journal of Veterinary Parasitology, 2021, 30, 2,
The effects of GnRH on serum concentrations of progesterone, estrogen, luteinizing hormone (LH), follicle stimulating hormone (FSH), mineral profile (phosphorus, magnesium, zinc, calcium and manganese) and pregnancy rate were evaluated in female dromedary camels. Forty female camels were randomly...
Author(s)
Huma Jamil; Qureshi, Z. I.; Mazhar Abbas; Hashmi, K. A.; Ghulam Yasin; Waqas, M. S.; Razia Kausar; Lodhi, F. L.; Ayesha Riaz
Publisher
Faculty of Veterinary Science, University of Agriculture, Faisalabad, Pakistan
Citation
Pakistan Veterinary Journal, 2021, 41, 2, pp 179-184
Corpus luteum is a temporary endocrine gland, secretes progesterone and estradiol crucial for establishment and maintenance of pregnancy. The cyclin dependent kinase inhibitors (CDKIs) like p21 and p27 plays important role in cell cycle progression and regulation. In this experiment, the expression ...
Author(s)
Ali, H.; Hayat, S.; Ahmad, S.; Ibrahim, M.; Haider, S. A.; Ullah, S.; Ahmad, S.; Khan, H.; Haq, I. U.
Publisher
Islamic Azad University, Rasht, Iran
Citation
Iranian Journal of Applied Animal Science, 2021, 11, 2, pp 297-303
Nowadays, the use of sex-sorted semen is more commonplace in industrial dairy farms. However, the reproductive efficiency of this kind of semen is controversial among dairy farmers. Reproductive efficiency can also be influenced by herd size as a result of different management practices. The...
Author(s)
Zargaran, A.; Afshar, M. A.; Joezy-Shekalgorabi, S.; Azizi, J.; Chamani, M.
Publisher
Islamic Azad University, Rasht, Iran
Citation
Iranian Journal of Applied Animal Science, 2021, 11, 2, pp 249-259
The present study was conducted to compare the reproductive performance of black and yellow-footed Chinese indigenous goose, Shitou goose. A total of 890 two-year-old black-footed Shitou geese and 410 two-year-old yellowfooted Shitou geese were selected to carry out off-season feeding experiment to ...
Author(s)
Guo, Y.; Zhao, Z. H.; Huang, R. S.; Chen, X. Q.; Li, L. X.; Balasubramanian, B.; Jia, R. M.; Liu, W. C.
Publisher
Pakistan Agricultural Scientists Forum, Lahore, Pakistan
Citation
JAPS, Journal of Animal and Plant Sciences, 2021, 31, 2, pp 630-634
A study was undertaken to investigate the effect of three rearing systems (free range, semi-intensive and confinement) on reproductive performance in four varieties of indigenous Aseel chicken (Lakha, Mushki, Peshawari and Sindhi). A total of 192 adult birds (168 females and 24 males), 48 from each ...
Author(s)
Rehman, M. S.; Mahmud, A.; Mehmood, S.; Pasha, T. N.; Hussain, J.; Khan, M. T.; Shafiq, M.; Abbas, M. I.; Akram, M. A.
Publisher
Pakistan Agricultural Scientists Forum, Lahore, Pakistan
Citation
JAPS, Journal of Animal and Plant Sciences, 2021, 31, 2, pp 352-357
The development of female gametes production (gametogenesis) occurs in an interesting way, as its process depends of many combined factors. This review will approach these morpho function mechanisms of the ovary and the folliculogenesis, correlating the function of Insulin-Like Growth Factors...
Author(s)
Gonsiorkiewicz, L. L.; Barbosa, E. A.; Teixeira, H. C. A.
Publisher
Pubvet, Maringá, Brazil
Citation
PUBVET, 2021, 15, 5,
The study was conducted to evaluate the reproductive performance of Brahman crossbred females and compare them with other available cattle genotypes found in Mymensingh district. Reproductive performance data on 35 Brahman crossbreds, 32 Indigenous, 12 Sahiwal crossbreds and 21 Friesian crossbreds...
Author(s)
Adhikary, A.; Mahbubul, M.; Bhuiyan, A. K. F. H.; Hoque, M. A.
Publisher
Bangladesh Agricultural University System (BAURES), Mymensingh, Bangladesh
Citation
Journal of the Bangladesh Agricultural University, 2021, 19, 1, pp 61-66