Encyclopedia Of Animal Science - O ppsx
Encyclopedia Of Animal Science - O ppsx
... biophysi-
cal properties of the membrane. Very high proportions
of 22: 6o3 are present in the phospholipids of neu-
ronal cells of the brain and of the rod photoreceptor
cells of the retina.
[2]
Optimal ... are formed from fusion of mononu-
cleated myoblasts into myotubes. Subsequent synthesis of
contractile myofibrils and organization into sarcomeres
within myotubes result in...
Encyclopedia Of Animal Science - G ppsx
... of genes or seg-
ments of DNA as they reside on a chromosome in posi-
tions based on units of DNA nucleotides or chromosomal
Encyclopedia of Animal Science 459
DOI: 10.1081/E EAS 120019649
Copyright ... blood-sampled after imposing one of three isolation
treatments: a 15-min isolation with no visual contact with
other does (I); a 15-min isolation with visual contact (IV);
or n...
Encyclopedia Of Animal Science - H ppsx
... Corticotropin-releasing hormone (CRF)
stimulates proopiomelanocortin (POMC) gene expression,
and thus, corticotropin (adrenocorticotropic hormone,
ACTH) secretion. Thyrotropin-releasing hormone ... thyrotropin (thyroid-stimulating hormone,
TSH) secretion. Secretion of growth hormone is con-
trolled by the stimulatory action of growth hormone-
releasing hormone (GRH) and the inhibitory act...
Encyclopedia Of Animal Science - N ppsx
... to provide a set of factors
that contribute to pathogen movement.
Incorporation of manure into the soil greatly reduces
the chances of surface runoff. Tabbara
[4]
showed that
incorporation of ... tillage, or little or no surface
residue. Incorporation of manure will reduce the likeli-
hood of surface runoff of P and protect surface water from
excess P levels; however, the proces...
Encyclopedia Of Animal Science - P ppsx
... and
foods exposed to fecal contamination or cross-contami-
nation.
[1]
Although poultry meat is considered a major
source of Campylobacter, it is believed that a large por-
tion of its millions of ... Types
Pathogens in Animal Products: Sources and Control
John N. Sofos
Colorado State University, Fort Collins, Colorado, U.S.A.
INTRODUCTION
Food products of animal origin (i.e., fre...
Encyclopedia Of Animal Science - A doc
... and pro-
duction of glucocorticoid hormones and regulates the
secretion of glucocorticoids.
The glucocorticoids influence homeostasis and the
biological response to stress. The glucocorticoids ... allostatic state leads to an imbalance of the
primary mediators of allostasis (i.e., glucocorticoids,
catecholamines), overproduction of some and underpro-
duction of others.
[6]
Allosta...
Encyclopedia Of Animal Science - B pdf
... simple
yet powerful evaluation tool.
[3,4]
Successful implementa-
tion of the tool keeps animals from becoming too thin or
too fat to meet production goals. For example, during the
100 days around calving ... sexual
behavior, referred to as the organizational actions of
hormones. Also, studies have addressed the activational
actions of hormones, i.e., how hormones stimulate
sexual behav...
Encyclopedia Of Animal Science - C pps
... sheep,
horse), but may differ from that of species not entirely
dependent on colostrum ingestion for neonatal adap-
tation and transfer of passive immunity from mother
to offspring.
COLOSTRUM COMPOSITION
The ... the
predominant immunoglobulin. In addition to immunoglo-
bulins, colostrum contains various anti-infection agents
(e.g., lactoferrin, lysozyme, lactoperoxidase, live lympho-
cyte...
Encyclopedia Of Animal Science - D pps
... that come into estrus prior
to the second GnRH injection and ovulate prior to the
completion of the protocol.
A presynchronization protocol was developed
[3]
to
optimize the Ovsynch
1
protocol by ... Score
Cows in poor body condition are most likely to become
nonambulatory. Body condition of dairy cattle usually is
scored according to a comprehensive 5-point system.
[2]
At
least 90% of...
Encyclopedia Of Animal Science - E pps
... LH, concentrations of
estradiol-17b abruptly decline, and a secondary surge of
FSH occurs on the day of ovulation (recruiting a new
cohort of follicles into the growing pool).
Fig. 1 Hormonal ... because of
more competition.
Local direct deliveries may cost 15 to 25 cents or more
per dozen due to the profile of purchases, the quantity of
eggs per drop-off, the number of stop...
Từ khóa: