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Abstract

The social environment of breeding females can affect their phenotype, with potential adaptive maternal effects on offspring that experience a similar environment. We housed Japanese quail (Coturnix japonica) females in two group sizes (pairs versus groups of four) and studied the effects on their...

Author(s)
Langen, E. M. A.; Goerlich-Jansson, V. C.; Engelhardt, N. von
Publisher
Company of Biologists Ltd, Cambridge, UK
Citation
Journal of Experimental Biology, 2019, 222, 5, pp 187005
Abstract

The number of antral follicles detectable by ultrasonography in heifers is influenced by age of the dam, because daughters of primiparous cows have fewer antral follicles than daughters of mature cows. We, therefore, hypothesized that heifers with primiparous dams would have fewer primordial...

Author(s)
Tenley, S. C.; Gomes, R. S.; Rosasco, S. L.; Northrop, E. J.; Rich, J. J. J.; McNeel, A. K.; Summers, A. F.; Miles, J. R.; Chase, C. C., Jr.; Lents, C. A.; Perry, G. A.; Wood, J. R.; Cupp, A. S.; Cushman, R. A.
Publisher
Elsevier B.V., Amsterdam, Netherlands
Citation
Animal Reproduction Science, 2019, 200, pp 105-112
Abstract

In this study, parentage analysis of the progenies from reciprocal crosses of Pangasianodon hypophthalmus (PH) and Clarias gariepinus (CG) was accomplished by sequencing the cytochrome b gene and running phylogenetic analysis. The result obtained showed that the nucleotide composition of the...

Author(s)
Tosin, O. V.; Chong, K. I. C.; Hassan Anuar; Thumronk, A.; Shahreza Md Sheriff
Publisher
Deanship of Academic Research and Higher Studies, Hashemite University, Zarqa, Jordan
Citation
Jordan Journal of Biological Sciences (JJBS), 2019, 12, 1, pp 107-117
Abstract

Mammalian oocyte quality degrades over time after ovulation in vitro, which can cause fatal defects such as chromosomal aneuploidy. As various oocyte manipulations employed in assisted reproductive technology are time consuming, post-ovulatory aging is a serious problem to overcome in reproductive...

Author(s)
Shimoi, G.; Tomita, M.; Kataoka, M.; Kameyama, Y.
Publisher
Society for Reproduction and Development, Tokyo, Japan
Citation
Journal of Reproduction and Development, 2019, 65, 1, pp 57-66
Abstract

Background: Local breeds are national treasures and an aim of the saving of such breeds is not only to manufacture local products, preserve ancient knowledge and conserve natural landscape, but transfer historical and cultural values continuously. Objectives: The authors estimated genetic...

Author(s)
Posta, J.; Kovács, E.; Tempfli, K.; Sáfár, L.; Papp, Á. B.; Gáspárdy, A.
Publisher
Herman Ottó Institute Nonprofit Ltd., Budapest, Hungary
Citation
Magyar Állatorvosok Lapja, 2019, 141, 3, pp 171-180
Abstract

In this study 28,643 weight records taken from birth to 660 days of age from 6,471 animals of the Tabapuã zebu breed were used to estimate (co)variance components and genetic parameters using a random regression model. The data were analyzed with the DFREML program applying the Restricted Maximum...

Author(s)
Sousa Junior, S. C.; Sousa, R. P.; Santos, K. R.; Pires, L. C.
Publisher
Universidade Federal de Goiás, Escola de Veterinária, Goiânia, Brazil
Citation
Ciência Animal Brasileira, 2019, 20, pp e-49928
Abstract

Vertebrates release glucocorticoids during stressful events. If stress occurs during reproduction, the resulting offspring can show altered phenotypes that are thought to arise from increased exposure to maternal glucocorticoids. Developing offspring can metabolize maternal glucocorticoids, which...

Author(s)
Vassallo, B. G.; Litwa, H. P.; Haussmann, M. F.; Paitz, R. T.
Publisher
Elsevier, Amsterdam, Netherlands
Citation
General and Comparative Endocrinology, 2019, 272, pp 57-62
Abstract

The effect of the body condition score (BCS) and the weight of Ouled Djellal ewes at lambing on growth of their lambs was studied in 73 lambs born from 24 ewes in a farm subjected to the system of 3 lambings in 2 years, in an extensive mode. The maternal weights had no statistical effect on the...

Author(s)
Smaali, S.; Boukazoula, F.
Publisher
CIPAV Foundation, Cali, Colombia
Citation
Livestock Research for Rural Development, 2019, 31, 1, pp Article 13
Abstract

There is an immune tolerance in maternal immune system during pregnancy, and thymus is a main organ of the immune system. Helper T (Th)1 and Th2 cytokines are involved in the regulation of immune system, but the modulation of Th cytokines in the thymus during early pregnancy is unclear in ewes....

Author(s)
Zhang LeYing; Zhao ZiMo; Mi Hao; Liu BaoLiang; Wang Bin; Yang Ling
Publisher
MDPI AG, Basel, Switzerland
Citation
Animals, 2019, 9, 5, pp 245
Abstract

Reduction in oocyte quality is a major factor responsible for declining fertility associated with maternal aging in cows. The objective of the present study was to determine whether intracytoplasmic sperm injection (ICSI) could increase the efficiency of embryo production in older cows. We used...

Author(s)
Magata, F.; Tsuchiya, K.; Okubo, H.; Ideta, A.
Publisher
Japanese Society of Veterinary Science, Tokyo, Japan
Citation
Journal of Veterinary Medical Science, 2019, 81, 1, pp 84-90

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