litter size
A genetic tool to manipulate litter size
... reduce litter size in an eutherian mam- mal, the house mouse, which is widely used as a laboratory ...noninvasive litter size reduction without postnatal ...
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ABSTRACT : The aim of this study was to determine the basic reproductive parameters, i.e., litter size, gestation
... the litter size and mode of pregnancy completion (natural birth or a caesarean section) in the groups differing in the mode of delivery revealed a statistically significant difference in the number of pups ...
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Effect of genotype, sex and litter size on growth and basic traits of carcass quality of light lambs
... the litter size had a highly signifi cant eff ect on daily gain in above- mentioned period, whilst the highest daily gain was found in ...the litter size had a signifi cant eff ect on dressing ...
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Bayesian Analysis of Response to Selection: A Case Study Using Litter Size in Danish Yorkshire Pigs
... for litter size. This ing litter size by selecting on an index that included is partly because litter size is easily recorded and partly ovulation rate and embryo survival (Casey ...
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Modulation of liver glucose output by free or restricted feeding in the adult rat is independent of litter size
... At weaning (21 days after birth, 21 d), the dams and female pups were given an i.p. anesthetic overload of thionembutal 120 mg/kg after lidocaine 5 mg/kg for eu- thanasia. The male pups were put in plastic boxes in ...
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Expression of genes involved in progesterone receptor paracrine signaling and their effect on litter size in pigs
... 1847 litter records from 625 sows genotyped at NR2F2 gene were used to analyze the total number born (TNB) and number born alive ...on litter size suggested that sows with genotype CC tend to have ...
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Glucosamine supplementation during late gestation alters placental development and increases litter size
... greater litter size in glucosamine-treated gilts observed in this experiment supports the hypothesis that the im- provements in fold development resulted in improved nutrient transport that then increased ...
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Effect of service sire on litter size traits in Czech Large White and Landrace pigs
... For data to be retained for analysis, the follow- ing conditions had to be met: litters were purebred Czech Large White or Landrace and had complete information for all litter size traits. Gestation length ...
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CORRELATED RESPONSES IN MALE REPRODUCTIVE TRAITS IN MICE SELECTED FOR LITTER SIZE AND BODY WEIGHT
... Since both litter size and testis weight are positively correlated with body weight, it is important to determine the realized partial genetic correlation be- tween tes[r] ...
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Characterization of Type I molecular markers in a line of pigs selected for increased litter size.
... controlling litter size in pigs of Meishan and Large White ...per litter. The first estimates of litter size differences favoring the BB homozygote over AA were ...per litter in ...
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Impact of litter size on sow stayability in Swedish commercial piglet producing herds
... Background: Sows’ ability to produce an excessive amount of piglets has shaped modern piglet production and there has been a steady increase in litter size during the last decades. This development has ...
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Growth of lambs of crossbreeds of Romanov, Suffolk and Charollais breeds – effect of sex, litter size and season
... 55), litter size (singles: n = 16, twins: n = 55, tri- ples and multipath (n = 63) and season of rearing of lambs (winter: n = 84, summer: n = ...The litter size had a signifi cant eff ect on ...
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Missense mutations in exon 2 of the porcine leptin receptor gene and their associations with litter size and body weight
... the litter size traits in pigs, and it can be used for the marker-assisted selection (MAS) in pig breeding ...the litter size traits in Luchuan pigs still needs fur- ther ...
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Simultaneous estimation of genetic parameters for production and litter size traits in Czech Large White and Czech Landrace pigs
... Especially in CLW, low negative genetic correla- tions were found between both litter size traits and average daily gain in the present investigation. This is in agreement with Hermesch et al. (2000), Chen ...
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Joint Analysis of Binomial and Continuous Traits with a Recursive Model: A Case Study Using Mortality and Litter Size of Pigs
... and litter size in two breeds of Danish pigs, Landrace and ...the size of the ...and litter size, for Landrace and Yorkshire, ...
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Mitochondrial DNA T7719G in tRNA-Lys gene affects litter size in Small-tailed Han sheep
... ovine litter size Totally 35 H-ETCs were constituted by 19 missense muta- tions in protein coding sequences, while 15 missense mu- tations in MRCI assembled 33 H-MRCIs, and both 2 mutations in MRCIV and ...
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Expression analysis of the porcine Homeobox A11 gene and its association with litter size in Large White pigs
... HOXA11 SNP detection and association analy- sis with litter size. By comparative sequencing of the HOXA11 gene in six pig breeds, we identified a g.2325C>A polymorphism at 26 bp in exon 2 (Accession No. ...
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Risk factors affecting the drop of litter size at second parity in sows in La Piedad Michoacan, Mexico
... lactation in first parity sows and its effect on second litter size, Livestock Science, 2010, 132,165–172. 8. Boulot, S., Despres, Y., Badouard, B., and Sallé, E., Le «syndrome de 2eme portée» dans le ...
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Estimation of genetic parameters of litter size in Moghani sheep using threshold model via Bayesian approach
... Abstract This study was conducted to estimate the genetic parameters of litter size (LS) in Moghani sheep using threshold model via Bayesian approach. The data originated from the Jafar- Abad Station of ...
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Vocal mother-offspring communication in guinea pigs: females adjust maternal responsiveness to litter size
... experimental litter size of two or four ...(two-pup litter moth- ers: N = 11, four-pup litter mothers: N = 11) received playback on day 8 and day ...
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