Results 21 to 30 of about 289,721 (306)
Sample size requirements for riverbank macrolitter characterization
Frontiers in Water, 2023 Anthropogenic litter is omnipresent in terrestrial and freshwater systems, and can have major economic and ecological impacts. Monitoring and modeling of anthropogenic litter comes with large uncertainties due to the wide variety of litter ...
Sjoukje I. de Lange +14 more
doaj +1 more source
Selection for litter size components: a critical review [PDF]
Genetics Selection Evolution, 1997 The measurement of component variables such as the number of ova shed (OR) and its inclusion in a linear index with litter size (LS) or prenatal survival has been suggested in order to accelerate genetic progress for LS. Despite optimistic theoretical predictions, however, in no selection experiment has the advantage of including OR in an index as ...
Perez-Enciso, Miguel +1 more
openaire +5 more sources
Indian Journal of Animal Sciences, 2020 Genetic advancement for the modern swine industry is primarily accomplished through the use of reproductive biotechnology, mainly artificial insemination (AI).
MAHAK SINGH +3 more
doaj +1 more source
EFFECT OF INBREEDING ON THE PERFORMANCE OF LARGE WHITE YORKSHIRE SOWS [PDF]
Journal of Veterinary and Animal Sciences, 2004 Data relating to 130 sows, 19 boars from 400 farrowings spread over a period from 1984 to 1992 were utilized to study genetic and non-genetic effects on variation of litter size at birth and litter size at weaning.
M. Vasundhara devi +4 more
doaj
Transcriptomic Analysis of Ovaries from Pigs with High And Low Litter Size.
PLoS ONE, 2015 Litter size is one of the most important economic traits for pig production as it is directly related to the production efficiency. Litter size is affected by interactions between multiple genes and the environment.
Xiaodong Zhang +6 more
doaj +1 more source
Pengaruh Perbedaan Sistem Perkawinan terhadap Lama Bunting dan Litter Size Kelinci New Zealand White
Jurnal Sain Peternakan Indonesia, 2019 Penelitian ini bertujuan untuk membandingkan lama bunting dan litter size kelinci NZW baik yang dikawinkan secara alami maupun inseminasi buatan. Penelitian ini menggunakan 32 kelinci betina dan 2 kelinci jantan. Perlakuan yang digunakan dalam penelitian
P. Utami, D. Samsudewa, C.M.S. Lestari
doaj +1 more source
Are opportunistic captures of neonate ungulates biasing relative estimates of litter size?
Animal Biotelemetry, 2022 The capture of neonate ungulates allows for the collection of valuable ecological data, including estimates of litter size. However, varied methods used to capture neonate ungulates can result in sampling biases.
Matthew T. Turnley +7 more
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CONTRIBUTION OF ENVIRONMENTAL FACTORS ON LITTER TRAITS OF MALABARI GOATS [PDF]
Journal of Veterinary and Animal Sciences, 1999 Malabari breed of goats possesses tremendous scope for development of meat and duel purpose strains suited to the humid tropics. Pro9lificacy being the most important economic trait, in the development of such strains of goats an attempt was made to ...
K. C. Raghavan +2 more
doaj
Nitrogen additions and litter decomposition: A meta-analysis [PDF]
, 2005 We conducted a meta-analysis of previously published empirical studies that have examined the effects of nitrogen (N) enrichment on litter decomposition.
Curtis, P. S., Frey, S. D., Knorr, M.
core +1 more source
Effect of does parity order on litter homogeneity parameters
Italian Journal of Animal Science, 2020 In rabbits’ reproductive performance, litter size, birth weight, growth, and mortality rate are among the most important indicators to define the productive potential and they are associated with parity order.
Marta Pollesel +4 more
doaj +1 more source