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Animal Science Database

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Abstract

The modern pig industry relies on extensive use of artificial insemination with cooled semen. It is important that semen doses maintain their quality during processing, transport and storage before insemination to guarantee maximum fertility rates. However, ejaculates may respond differently to...

Author(s)
Lazari, F. L. de; Sontag, E. R.; Schneider, A.; Moura, A. A. A.; Vasconcelos, F. R.; Nagano, C. S.; Dalberto, P. F.; Bizarro, C. V.; Mattos, R. C.; Jobim, M. I. M.; Bustamante-Filho, I. C.
Publisher
Elsevier, New York, USA
Citation
Theriogenology, 2020, 147, pp 135-145
Abstract

Sertoli cell numbers are a major influence on sperm production capacity. Increased use of artificial insemination and the limited number of insemination doses from a single boar ejaculate provide the incentive to increase Sertoli cell numbers for potential increases in sperm production and pig...

Author(s)
Berger, T.; Nitta-Oda, B. J.
Publisher
Elsevier B.V., Amsterdam, Netherlands
Citation
Livestock Science, 2020, 233,
Abstract

Accelerometers (neck- and leg-mounted) and ultra-wide band (UWB) indoor localization sensors were combined for the detection of calving and estrus in dairy cattle. In total, 13 pregnant cows and 12 cows with successful insemination were used in this study. Data were collected two weeks before and...

Author(s)
Benaissa, S.; Tuyttens, F. A. M.; Plets, D.; Trogh, J.; Martens, L.; Vandaele, L.; Joseph, W.; Sonck, B.
Publisher
Elsevier, Amsterdam, Netherlands
Citation
Computers and Electronics in Agriculture, 2020, 168, pp 105153
Abstract

Reproductive traits are important factors in sheep production. The Booroola fecundity (FecB) gene - the first major gene for prolificacy identified in sheep - has a positive effect on ovulation rates and litter size under natural reproductive conditions. However, the effect of the FecB gene on...

Author(s)
Qi MeiYu; Xu LiQiang; Zhang JiaNan; Li MengOu; Lu MingHai; Yao YuChang
Publisher
Elsevier, New York, USA
Citation
Theriogenology, 2020, 142, pp 246-250
Abstract

Artificial insemination (AI) has been used as a routine technology globally in the pig production industry since 1930. One of the preferable advantages of AI technology is that the semen of elite boars can be disseminated to the commercial sow population rapidly. Understanding the genetic...

Author(s)
Zhao YunXiang; Gao Ning; Li XinYun; El-Ashram, S.; Wang ZhiQuan; Zhu Lin; Jiang Wei; Peng Xing; Zhang CongLin; Chen YiLong; Li ZhiLi
Publisher
Elsevier, New York, USA
Citation
Theriogenology, 2020, 141, pp 9-15
Abstract

Context. It is a common problem that replacement gilts exhibit delayed oestrus and non-oestrus in pig production. Aims. This study explored the use of progesterone and pregnant mare serum gonadotropin (PMSG) to promote oestrus and to restore the reproductive capacity of sows. Methods. A total of 90 ...

Author(s)
Zheng Peng; Huang FuShuo; Ma MingJun; Tian YaGuang; Huang He
Publisher
CSIRO, Collingwood, Australia
Citation
Animal Production Science, 2019, 59, 12, pp 2184-2190
Abstract

The study assessed determinants of livestock production development of smallholder farmers' through identifying the constraints and opportunity to livestock production developments. The study adopted cross sectional survey design. The district was randomly selected from zones. A total of 99...

Author(s)
Duguma, A. L.; Debsu, J. K.
Publisher
NCRP, Faculty of Science, University of Port Harcourt, Port Harcourt, Nigeria
Citation
Journal of Applied Sciences and Environmental Management, 2019, 23, 8, pp 1535-1540
Abstract

Sheep farming of local breeds in the Pyrenean region is of major significance from an economic, social and environmental viewpoint. However, this activity is in continuous recession. Common problems are found in both sides of the border, in France and in Spain: its scarce profitability and a lack...

Author(s)
Lahoz, B.; Jousseins, C.; Calvo, J. H.; Papuchon, J.; Alabart, J. L.; Pardos, L.; Loywyck, V.; Serrano, M.; Soulas, C.; Eguinoa, P.; Tortereau, F.; Fantova, E.; Jouhet, E.; Bernués, A.; Canellas, R.; Boscolo, J. C.; Folch, J.; Fabre, S.
Publisher
Centre International de Hautes Etudes Agronomiques Méditerranéennes, Montpellier, France
Citation
Options Méditerranéennes. Série A, Séminaires Méditerranéens, 2019, No.123, pp 37-41
AbstractFull Text

This research aimed to determine current situation of livestock activities especially related to extension work and explore the knowledge of farmers and their linkages with government as well private sector for livestock improvement in Khyber Pakhtunkhwa (KP) province. A total of 480 respondents...

Author(s)
Tariq Shah; Umar Hayat; Bacha, M. S.; Muhammad
Publisher
The University of Agriculture, Peshawar, Pakistan
Citation
Sarhad Journal of Agriculture, 2019, 35, 2, pp 557-564
Abstract

Livestock production accounts for 31% of the total gross output of agriculture in Uzbekistan. This sector plays an important role in the generation of income of rural residents of the country, so the problems and prospects of its development are in the priority of agrarian policy in Uzbekistan....

Publisher
Leibniz Institute of Agricultural Development in Transition Economies, Halle, Germany
Citation
Discussion Paper, Leibniz Institute of Agricultural Development in Transition Economies (IAMO), 2019, No.188, pp 80 pp.

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