What's the difference between dam and sire?

Dam


Definition:

  • (n.) A female parent; -- used of beasts, especially of quadrupeds; sometimes applied in contempt to a human mother.
  • (n.) A kind or crowned piece in the game of draughts.
  • (n.) A barrier to prevent the flow of a liquid; esp., a bank of earth, or wall of any kind, as of masonry or wood, built across a water course, to confine and keep back flowing water.
  • (n.) A firebrick wall, or a stone, which forms the front of the hearth of a blast furnace.
  • (v. t.) To obstruct or restrain the flow of, by a dam; to confine by constructing a dam, as a stream of water; -- generally used with in or up.
  • (v. t.) To shut up; to stop up; to close; to restrain.

Example Sentences:

  • (1) Blood was collected from pups and dams to determine its caffeine concentration.
  • (2) Over the years the farm dams filled less frequently while the suburbs crept further into the countryside, their swimming pools oblivious to the great drying.
  • (3) Six of eight AD and seven of eight vitamin A-adequate dams carried pregnancy to term (greater than or equal to Day 64).
  • (4) All aircraft exited the strike areas safely.” Earlier, residents living near the Mosul dam told the Associated Press the area was being targeted by air strikes.
  • (5) Serum copper concentration also was measured in dams and kids in a control herd that had no history of ataxia.
  • (6) In contrast, the same concentration of isopropanol produced narcosis in the dams, retarded body-weight gain and reduced the feed intake.
  • (7) In acute experiments on pregnant sows under sodium pentobarbitone anaesthesia, acid base balance, oxygenation and plasma metabolite concentrations were well maintained in the dam and all fetuses which remained undisturbed in utero, irrespective of the duration of the experiment.
  • (8) A dam Johnson's point may need proving towards Roberto Mancini rather than Manuel Pellegrini, but Manchester City will still be aware of a Sunderland player with a cause in the Capital One Cup final.
  • (9) Pups were weaned either to the diet of their dam or to the diet fed to dams in the other treatment group in a crossover design.
  • (10) After 21 days of gestation the morphine-dependent dams were decapitated and the foetal brains were dissected.
  • (11) The open reading frame can be expressed from the dam-regulated mod promoter (for modification of D108 DNA), yet also contains its own dam-independent promoter for expression that is detectable by northern blot analysis late in the D108 lytic cycle.
  • (12) Simmental sires had significantly heavier calves at birth and S and H dams tended to have more calving difficulty and lower survival rates.
  • (13) Primary CMV infection of dams extending into early pregnancy induced augmented cytolysis of CMV-infected fetal cells, but not MA104 NK cell targets, throughout gestation and resulted in 70% loss of conceptus.
  • (14) Mature Angus dams at Goudies had 3.7% calf deaths at birth (4.9 vs 2.4% for males vs females), a further 1.8% calf deaths to weaning and 4.6% assisted births.
  • (15) Further, the presence of the dam in the goalbox reduced plasma corticosterone elevations, particularly among 15-day-old pups and at 60 min.
  • (16) On day 18 the dams were killed and the male fetuses were examined for testicular differentiation.
  • (17) Within this group, fetal resorption had a significant effect upon the sex ratio, and this relationship was significantly affected by the number of implanted embryos: resorbing dams produced male-biased litters at small and intermediate numbers of implantation sites and female-biased litters when the number of implanted embryos was large.
  • (18) Ewe lambs from treated dams had approximately 12% greater rate of growth (P less than .04) than ewe lambs from control dams.
  • (19) Meadow vole dams, housed in a 14L:10D photoperiod were injected daily 3 h before onset of darkness with 10 micrograms melatonin.
  • (20) For heifer carcass traits from 3- to 6-yr-old dams, breed was significant (P less than .05 to P less than .01) for carcass weight, longissimus muscle area, percentage of cutability, and estimated kidney, heart, and pelvic fat.

Sire


Definition:

  • (n.) A lord, master, or other person in authority. See Sir.
  • (n.) A tittle of respect formerly used in speaking to elders and superiors, but now only in addressing a sovereign.
  • (n.) A father; the head of a family; the husband.
  • (n.) A creator; a maker; an author; an originator.
  • (n.) The male parent of a beast; -- applied especially to horses; as, the horse had a good sire.
  • (v. t.) To beget; to procreate; -- used of beasts, and especially of stallions.

Example Sentences:

  • (1) Sires of the cows had been divergently selected on yearling weight (YW) and total maternal (MAT) EPD to form four groups: high YW, high MAT EPD; high YW, low MAT EPD; low YW, high MAT EPD; and low YW, low MAT EPD.
  • (2) Beyond 20 mo, weights were adjusted to a constant condition score within breed of sire.
  • (3) Genetic parameters were estimated from sire components of variance and covariance obtained from a multiple-trait restricted maximum likelihood procedure.
  • (4) Simmental sires had significantly heavier calves at birth and S and H dams tended to have more calving difficulty and lower survival rates.
  • (5) Micromanipulation of sperm and ova has been suggested as a means to produce progeny of two sires instead of a sire and dam.
  • (6) Each sire family consisted of a sire, his foals, and the dams of those foals.
  • (7) Records of birth weight (BW), weaning weight (WW) and condition score (CS) from 1,467 Brahman and Brahman X Angus crossbred calves from Brahman and crossbred Brahman sires and Brahman, crossbred Brahman and Angus dams were collected at the Subtropical Agricultural Research Station, Brooksville, Florida, from 1971 to 1982.
  • (8) Live BW, carcass data, and organ data taken at 34 days of age on approximately 1,000 quail of both sexes from 110 sires and 290 dams were utilized to estimate genetic parameters from the initial generation of a selection study.
  • (9) Weaning weight records of 44,357 Australian Angus calves produced by 1,020 sires in 90 herds were used to evaluate the importance of sire x herd interactions.
  • (10) Additive relationships among sires and maternal grandsires were included.
  • (11) The purebred animals represented progeny of 107 sires.
  • (12) Repeatabilities and heritabilities of days to first service, days open, and number of services per conception were estimated from 235,589 records on 80,333 Holstein cows, daughters of 306 sires obtained from the Quebec Dairy Herd Analysis Service, by REML.
  • (13) Calves of mature dams were all sired by Limousin bulls and slaughtered at 12 mo.
  • (14) In single purpose dairy populations, sire models gave biased estimates of genetic parameters even when all data were included in the analysis.
  • (15) By including an artificial sire and an artificial dam and choosing appropriate merit values for the artificial matings, this problem can be solved by efficient "transportation" algorithms.
  • (16) A study of 24 offspring from one sire, heterozygous for W10 and Eu28R, showed that offspring inheriting Eu28R from the sire were significantly more likely to have antibodies to BLV than offspring inheriting the opposing W10 haplotype.
  • (17) Forty-three Hampshire or Suffolk-sired ram lambs were weaned at 60 d of age (average 23.6 kg of BW) and assigned to a 2 x 2 factorial arrangement of treatments consisting of 1) basal diet (control = BAS), 2) BAS with 6% whole canola seed (CS), 3) BAS with 4.9% deoiled soy lecithin (SL), and 4) BAS with 6% CS and 4.8% SL (CSSL).
  • (18) The correlation between sire of fetus effect and sire of cow effect on three production traits - milk yield, fat yield, and protein yield - in first lactation cows was investigated.
  • (19) Corresponding numbers of sires were 298, 289, 305, and 313.
  • (20) A sire-maternal grandsire mixed model with relationships was used to analyze the data to yield BLUP for the sire and maternal grandsire effects.

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