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Animal Science Database

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Abstract

The dry period is a well-established factor that determines lactation success. A retrospective observational study used 32,182 lactations from 16 farms to determine whether management versus biological reasons for deviations from the targeted 60-d dry period have the same associations with...

Author(s)
Olagaray, K. E.; Overton, M. W.; Bradford, B. J.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2020, 103, 12, pp 11857-11875
Abstract

The present study was undertaken for collecting base line information on cattle rearing pattern and identify, establishment of germplasm distribution network of Frieswal crossbred and zebu cattle under field conditions of Doab area. The study on socio-economic parameters revealed that the average...

Author(s)
Ravinder Kumar; Naresh Prasad; Anil Kumar; Raja, T. V.; Das, A. K.
Publisher
Indian Council of Agricultural Research, New Delhi, India
Citation
Indian Journal of Animal Sciences, 2020, 90, 1, pp 90-93
Abstract

Intense selection for a few desired traits has resulted in reduction of the effective population size (Ne) in most of the plant and livestock populations across the world. The objective of the research was to assess the impact of Ne on the genetic architecture of the population in a simulated data...

Author(s)
Gowane, G. R.; Najif Akram; Misra, S. S.; Ashish Chopra; Sharma, R. C.; Arun Kumar
Publisher
Springer Berlin, Heidelberg, Germany
Citation
Tropical Animal Health and Production, 2020, 52, 4, pp 1717-1724
Abstract

Historically, most dairy producers raised every heifer born, to ensure a supply of future replacements. However, advancements in transition and reproductive management, coupled with widespread use of sex-sorted semen in dairy heifers and cows, have led to an oversupply of dairy replacement heifers...

Author(s)
Overton, M. W.; Dhuyvetter, K. C.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2020, 103, 4, pp 3828-3837
AbstractFull Text

This study was carried out to determine the general structure of cattle breeding enterprises in Giresun province. In the study, the data obtained from the surveys conducted in the cattle enterprises in the center and districts of Giresun province were used. According to animal numbers, surveyed...

Author(s)
Alkan, S.; Ünlü, H.
Publisher
Akdeniz Üniversitesi, Ziraat Fakültesi, Antalya, Turkey
Citation
Mediterranean Agricultural Sciences, 2019, 32, 1, pp 109-115
Abstract

The present study investigated the occurrence of repeat breeding (RB) and constraints in controlling this disease in cattle and buffalo in Punjab. Livestock owners/households (720) constituted the ultimate sampling units for the study. The dairy farmers were categorized into small (5-10 animals),...

Author(s)
Malik, M. H.; Verma, H. K.; Sharma, R. K.
Publisher
Indian Council of Agricultural Research, New Delhi, India
Citation
Indian Journal of Animal Sciences, 2019, 89, 8, pp 837-842
Abstract

Background: Subfertility is one challenge facing the dairy industry as the average Holstein heifer conception rate (HCR), the proportion of heifers that conceive and maintain a pregnancy per breeding, is estimated at 55-60%. Of the loci associated with HCR, few have been validated in an independent ...

Author(s)
Kiser, J. N.; Keuter, E. M.; Seabury, C. M.; Neupane, M.; Moraes, J. G. N.; Dalton, J.; Burns, G. W.; Spencer, T. E.; Neibergs, H. L.
Publisher
BioMed Central Ltd, London, UK
Citation
BMC Genomics, 2019, 20, 576, pp (12 July 2019)
Abstract

The generally low usage of artificial insemination and single-sire mating in sheep, compounded by mob lambing (and lambing outdoors), implies that parentage assignment in sheep is challenging. The objective here was to develop a low-density panel of single nucleotide polymorphisms (SNPs) for...

Author(s)
Berry, D. P.; McHugh, N.; Wall, E.; McDermott, K.; O'Brien, A. C.
Publisher
Sciendo, Warsaw, Poland
Citation
Irish Journal of Agricultural and Food Research, 2019, 58, 1, pp 1-12
Abstract

Artificial insemination using sex-sorted semen is employed to efficiently increase the number of female dairy calves born. Previous studies have determined that using sex-sorted semen is beneficial to improve the management, but the mechanism by which it increases cattle numbers through objective...

Author(s)
Osada, M.; Iwabuchi, H.; Aoki, T.; Sasaki, K.; Ushijima, H.; Ozawa, T.
Publisher
Wiley, Tokyo, Japan
Citation
Animal Science Journal, 2019, 90, 4, pp 597-603
Abstract

This paper reports on the success story of a family in Neuses (Altmannstein) who in just five years achieved so much in their diary cattle operation, among these achievements are the increase in milking cows which tripled and about 10 000 kg of milk being produced. Highlights focused on their farm...

Author(s)
Miller, A. M.
Publisher
Besamungsverein Neustadt a.d. Aisch e.V., Neustadt a.d. Aisch, Germany
Citation
Zuchtwahl und Besamung, 2019, No.181, pp 51-57

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