Biomedical Engineering Reference
In-Depth Information
Effect of shade, no shade and shade + spray with fan on plasma hormones in cows during summer
Hormone
Shade
No shade
Shade + spray + fan
References
Plasma growth hormone (ng/ml)
4.6 ± 0.21
-
5.7 ± 0.31
Igono et al. (
1987
)
Plasma prolactin (ng/ml)
59.9 ± 1.79
-
44.9 ± 0.94
Igono et al. (
1987
)
Progesterone (ng/ml)
1.56
1.91
-
Roman-Ponce et al. (
1981
)
Oestradiol (pg/ml)
7.75
8.50
-
Roman-Ponce et al. (
1981
)
LH (ng/ml)
3.87
5.45
-
Roman-Ponce et al. (
1981
)
Corticoids (ng/ml)
8.72
13.04
-
Roman-Ponce et al. (
1981
)
Serum concentrations o
f oestradiol and cortisol during the oestrus cycle of cooled and control cows
Oestradiol
Cortisol
Days of oestrus cycle
Without cooling
With cooling
D change
Without cooling
With cooling
D change
Day 3
9.1 ± 2.4
7.9 ± 1.9
−1.2
10.6 ± 1.0
5.9 ± 1.3
−4.7
Day 5
5.8 ± 1.7
6.4 ± 1.2
+0.6
6.1 ± 0.7
3.8 ± 0.4
−2.3
Day 10
8.8 ± 0.5
4.3 ± 0.7
−4.5
6.2 ± 0.9
3.0 ± 0.5
−3.2
Day 12
6.9 ± 1.4
4.7 ± 1.5
−2.2
4.7 ± 0.5
1.9 ± 0.3
−2.8
Day 14
6.7 ± 1.1
7.7 ± 1.0
+1.1
11.8 ± 1.7
7.5 ± 1.1
−4.3
Day 17
11.0 ± 1.0
13.4 ± 0.4
+2.4
15.6 ± 1.6
6.6 ± 0.6
−9.0
Source: Wise et al. (
1988b
)
inhibition of type 1 cytokines. J Interferon Cytokine
Res 21:147-155
Aggarwal A (2004) Effect of environment on hormones,
blood metabolites, milk production and composition
under two sets of management in cows and buffaloes.
PhD thesis submitted to National Dairy Research
Institute, Karnal (Haryana), India
Aggarwal A, Singh M (2009) Changes in hormonal levels
during early lactation in summer calving cows kept
under mist cooling system. Indian J Anim Nutr
26:337-340
Aggarwal A, Singh M (2010) Hormonal changes in heat
stressed Murrah buffaloes under two different cooling
systems. Buffalo Bull 29:1-6
Aggarwal A, Upadhyay RC, Singh SV, Kumar P (2005)
Adrenal-thyroid pineal interaction and effect of exog-
enous melatonin during summer in crossbred cattle.
Indian J Anim Sci 75:915-921
Aggarwal A, Ashutosh, Kaur H, Mani V (2010) Effect of
vitamin E supplementation on leptin and insulin hor-
mones in crossbred and indigenous cows. Annual
report. National Dairy Research Institute, Karnal,
Haryana
Ahmad N, Schrick FN, Butcher RL, Inskeep EK (1995)
Effect of persistent follicles on early embryonic losses
in beef cows. Biol Reprod 52:1129-1135
Ailhaud G (2006) Adipose tissue as a secretory organ:
from adipogenesis to the metabolic syndrome.
Comptes Rendus Biologies 329:570-577
Al-Katanani YM, Webb DW, Hansen PJ (1999) Factors
affecting seasonal variation in non-return rate to
first service in lactating Holstein cow in a hot cli-
mate. J Dairy Sci 82:2611-2616
References
Abdalla EB, Kotby EA, DJohnson H (1989) Environmental
heat effects on metabolic and hormonal functions and
milk yield of lactating ewes. J Dairy Sci 72:471
(Abstract)
Abdalla EB, Johnson HD, Kotby EA (1991) Hormonal
adjustments during heat exposure in pregnant and lac-
tating ewes. J Dairy Sci 74:145 (Abstract)
Abdel-Samee AM, Habeeb AAM, Kamal TH, Abdel-
Razik MA (1989) The role of urea and mineral mix-
ture supplementation in improving productivity of
heat-stressed Friesian calves in the sub-tropics. In:
Proceedings of 3rd Egyptian-British conference on
animal, fish and poultry production, Alexandria
University, Alexandria, vol 2, pp 637-641
Abilay TA, Johnson HD, Madan M (1975a) Influence of
environmental heat on peripheral plasma progesterone
and cortisol during the bovine estrous cycle. J Dairy
Sci 58:1836-1840
Abilay TA, Mitra R, Johnson HD (1975b) Plasma cortisol
and total progesterone levels in Holstein steers during
acute exposure to high environmental temperature
(42°C) conditions. J Anim Sci 41:113-118
Aboul-Naga AI (1987) The role of aldosterone in improv-
ing productivity of heat stressed farm animals with dif-
ferent technique. PhD thesis, Faculty of Agriculture,
Zagazig University, Zagazig
Adams JM, Cory S (1998) The Bcl-2 protein family: arbi-
ters of cell survival. Science 281:1322-1326
Agarwal SK, Marshall GD Jr (2001) Dexamethasone pro-
motes type 2 cytokine production primarily through
