What's the difference between herd and mass?

Herd


Definition:

  • (a.) Haired.
  • (n.) A number of beasts assembled together; as, a herd of horses, oxen, cattle, camels, elephants, deer, or swine; a particular stock or family of cattle.
  • (n.) A crowd of low people; a rabble.
  • (n.) One who herds or assembles domestic animals; a herdsman; -- much used in composition; as, a shepherd; a goatherd, and the like.
  • (v. i.) To unite or associate in a herd; to feed or run together, or in company; as, sheep herd on many hills.
  • (v. i.) To associate; to ally one's self with, or place one's self among, a group or company.
  • (v. i.) To act as a herdsman or a shepherd.
  • (v. t.) To form or put into a herd.

Example Sentences:

  • (1) The Department of Herd Health and Ambulatory Clinic of the Veterinary Faculty (State University of Utrecht, The Netherlands) has developed the VAMPP package for swine breeding farms.
  • (2) In a control scheme for enzootic-pneumonia-free herds, 43 herds developed enzootic pneumonia, as judged by non-specific clinical and pathological criteria over 10 years.
  • (3) The relative effect of the intramammary infections and of different factors related to the cow (parity, stage of lactation, milk yield) on the individual cell counts, were studied for 30 months on the 62 black-and-white Holstein cows of an experimental herd.
  • (4) One hundred and ninety-six herd mates without RP served as controls.
  • (5) Serum copper concentration also was measured in dams and kids in a control herd that had no history of ataxia.
  • (6) There was considerable scatter of prevalence among both groups of herds.
  • (7) It is concluded that BEC is the major infectious cause of neonatal calf diarrhoea in the Ethiopian dairy herds studied with RV and K99 ETEC also contributing to morbidity, either alone or as mixed infections.
  • (8) In the 46 herds in which only the adult stock were slaughtered, 11 herds suffered breakdowns.
  • (9) Chlamydia psittaci was believed responsible for an episode of high perinatal death loss in a swine herd in which 8.5 pigs per litter normally were weaned.
  • (10) Weather data and breeding records for a Holstein herd of 1300 cows in Hawaii were evaluated to determine effects of climate on reproductive performance.
  • (11) The correlation coefficient between the number of exposures and the number of new cases was 0.85, and the coefficient of determination suggested that 73% of the variation in new cases could be explained by the number of exposures in strain 19-vaccinated herds.
  • (12) A further 26 herds (iiii) which did not employ iodine-containing teat-dips, were also studied.
  • (13) The milk response to use of bST is similar (10 to 15%) to that of three times a day (3x) milking and we expect that the management required to maintain the increased production through successive lactations with bST will be similar to that required for the 3x herd.
  • (14) After a test on all animals older than six months the herd was split into seronegative and seropositive groups.
  • (15) beta hydroxybutyrate (BHB) serum concentrations were measured at regular intervals throughout a lactation in groups of animals from three commercial dairy herds.
  • (16) Three cases of dairy herds affected by production disease (infertility, calf scours and low milk yield) were carried out.
  • (17) There was no significant difference in the occurrence or distribution of lesions on animals in all the three herds over a two month observation period except that a higher proportion of animals in one of the treated herds was affected at the end of the study.
  • (18) The data were analyzed to evaluate the potential role of these two agents as risk factors for the two conditions, using crude and multivariable techniques, as well as individual and herd data.
  • (19) Average daily gain was negatively correlated with mortality (r = -0.662, p = 0.010), suggesting that herds that achieved a high rate of gain also had lower mortality.
  • (20) Two animals from this herd were examined for responses to infection.

Mass


Definition:

  • (n.) The sacrifice in the sacrament of the Eucharist, or the consecration and oblation of the host.
  • (n.) The portions of the Mass usually set to music, considered as a musical composition; -- namely, the Kyrie, the Gloria, the Credo, the Sanctus, and the Agnus Dei, besides sometimes an Offertory and the Benedictus.
  • (v. i.) To celebrate Mass.
  • (n.) A quantity of matter cohering together so as to make one body, or an aggregation of particles or things which collectively make one body or quantity, usually of considerable size; as, a mass of ore, metal, sand, or water.
  • (n.) A medicinal substance made into a cohesive, homogeneous lump, of consistency suitable for making pills; as, blue mass.
  • (n.) A large quantity; a sum.
  • (n.) Bulk; magnitude; body; size.
  • (n.) The principal part; the main body.
  • (n.) The quantity of matter which a body contains, irrespective of its bulk or volume.
  • (v. t.) To form or collect into a mass; to form into a collective body; to bring together into masses; to assemble.

Example Sentences:

  • (1) Here we report that sperm from psr males fertilizes eggs, but that the paternal chromosomes are subsequently condensed into a chromatin mass before the first mitotic division of the egg and do not participate in further divisions.
  • (2) Blood samples were analysed by mass spectroscopy and gas chromatography.
  • (3) Bilateral symmetric soft-tissue masses posterior to the glandular tissue with accompanying calcifications should suggest the diagnosis.
  • (4) The extent of the infectious process was limited, however, because the life span of the cultures was not significantly shortened, the yields of infectious virus per immunofluorescent cell were at all times low, and most infected cells contained only a few well-delineated small masses of antigen, suggestive of an abortive infection.
  • (5) The clinically normotensive cases had greater left ventricular mass than the normotensive controls (p less than 0.02).
  • (6) CT scan revealed a small calcified mass in the right maxillary sinus.
  • (7) The article describes an unusual case with development of a right anterior mediastinal mass after bypass surgery with internal mammary artery grafts.
  • (8) The increase in red blood cell mass was associated with an elevation in erythropoietic stimulatory activity in serum, pleural fluid, and tumor-cyst fluid as determined by the exhypoxic polycythemic mouse assay.
  • (9) The groups were matched with regard to sex, age and body mass index.
  • (10) Based on the deduced amino acid sequence, rpL8 has a mass of 28,605 Da, a pI of 11.97, and contains 9.6% Arg and 11.9% Lys.
  • (11) All masses had either histologic confirmation (n = 11) or confirmation with other imaging modalities (n = 4).
  • (12) A neonate without external malformation had undergone removal of a nasopharyngeal mass containing anterior and posterior pituitary tissue.
  • (13) All patients with localized subaortic hypertrophy had left ventricular hypertrophy (left ventricular mass or posterior wall thickness greater than 2 SD from normal) with a normal size cavity due to aortic valve disease (2 patients were also hypertensive).
  • (14) By means of computed tomography (CT) values related to bone density and mass were assessed in the femoral head, neck, trochanter, shaft, and condyles.
  • (15) This can be achieved by sincere, periodic information through the mass media.
  • (16) However, the effects of such large-scale calvarial repositioning on subsequent brain mass growth trajectories and compensatory cranio-facial growth changes is unclear.
  • (17) Ether extracts were analyzed by gas chromatography-mass spectrometry (GC-MS) and various chlorinated and non-chlorinated compounds were detected, e.g.
  • (18) The spikes likely correspond to VP3, a hemagglutinin, while the rest of the mass density in the outer shell represents 780 molecules of VP7, a neutralization antigen.
  • (19) Variability (CV = 0.7%) in body volume of a 45-year-old reference man measured by SH method was very similar to variation (CV = 0.6%) in mass volume of the 60-1 prototype.
  • (20) The masses were solitary and located in the retroperitoneum (five cases), mediastinum (one case), and axilla (one case).