Brody Environmental Center

AG Bulletins

Bulletin 62 - Normal growth of domestic animals

Bulletin 67 - The change of form with age in the dairy cow

Bulletin 68 - Normal immunity reactions of the cow and the calf with reference to antibody transmission in the colostrum

Bulletin 80 - The course of skeletal growth in the dairy cow

Bulletin 89 - A new method for measuring surface area

Bulletin 96 - Quantitative Data

Bulletin 97 - Growth rates their evaluation and significance

Bulletin 98 - Growth rates during the self-accelerating phase of growth

Bulletin 99 - The effect of temperature on the percentage-rate of growth of the chick embryo

Bulletin 101 - Growth rates during the self-inhibiting phase of growth

Bulletin 102 - Equivalence of age during the self-inhibiting phase of growth

Bulletin 103 - Relation between weight growth and linear growth with special reference to dairy cattle

Bulletin 104 - A comparison of growth curves of man and other animals

Bulletin 105 - The relation between the course of growth and the course of senescence with special reference to age changes in milk secretion

Bulletin 109 - The determination of the surface area of young women and its use in the expressing basal metabolic rate

Bulletin 115 - Further investigations on surface area with special reference to its significance in energy metabolism

Bulletin 116 - Additional illustrations of the influence of food supply on the velocity constant of growth and on the shape of the growth curve

Bulletin 141 - The influence of certain geographical and historical conditions on the physical development of cattle breeds

Bulletin 142 - Measurements of growing holstein and jersey cattle on missouri farms

Bulletin 143 - Energy and nitrogen metabolism during the first year of postnatal life

Bulletin 149 - The influence of temperature and breeding upon rate of growth of chick embryos

Bulletin 166 - Growth and Development

Bulletin 176 - The decline in energy metabolism per unit weight with increasing age in farm animals laboratory animals and humans

Bulletin 180 - The energy increment of standing over lying and the cost of getting up and lying down in growing ruminants

Bulletin 189 - Endogenous urinary nitrogen and total creatinine excretion in rats as functions of basal metabolism

Bulletin 190 - Decline of endogenous nitrogen excretion per unit weight with increasing weight in growing rats

Bulletin 191 - Age curves of creatinine and urinary nitrogen coefficients in dairy cattle

Bulletin 192 - The partition of digestible nitrogen intake between growth milk secretion and urinary excretion in growing dairy cattle

Bulletin 193 - Influence of the plane of nutrition on the utilizability of feeding stuffs

Bulletin 208 - The energy cost of horizontal walking in cattle and horses

Bulletin 209 - Efficiency of work horses of different ages and body weights

Bulletin 220 - Basal metabolism endogenous nitrogen creatinine and neutral sulphur excretions as functions of body weight

Bulletin 336 - Growth standards for dairy cattle

Bulletin 338 - Feed consumption of dairy cattle during growth

Bulletin 423 - Samuel Brody - Physiological backgrounds

Bulletin 425 - Influence of temperature 50F to 105F on milk production

Bulletin 433 - Influence of ambient temperature 50F to 100F on blood composition of jersey and holstein cows

Bulletin 435 - Influence of temperature 50F to 105F on heat production

Bulletin 436 - Influence of temperature 50F to 105F on water consumption in dairy cattle

Bulletin 449 - Influence of temperature 50F to 0F and 50F to 95F on milk production

Bulletin 450 - Influence of temperature 50F to 5F and 50F to 95F on heat prodcution

Bulletin 451 - Influence of ambient temperature 0F to 105F on insensible weight loss and moisture vaporization

Bulletin 460 - Milk prodcution and feed and water consumption responses of brahman jersey and holstein cows

Bulletin 461 - Influence of temperature 5F to 95F on evapoative cooling in jersey and holstein cows

Bulletin 464 - Effects of temperature 5F to 105F and 50F to 9F on heat production in brahman jersey and holstein cows

Bulletin 471 - Influence of increasing of temperature 40F to 105F on milk production

Bulletin 473 - Influence of increasing temperature 40F to 105F on heat production

Bulletin 479 - Influence of temperature on insensible weight loss and vaporization in brahman brown swiss holstein and jersey cattle

Bulletin 481- Influence of environmental temperature 0F to 105F on hair and skin temperatures

Bulletin 484 - Effects of increasing temperatures 65F to 95F on visible radiation

Bulletin 485 - The influence of environmental temperatures on the composition of milk

Bulletin 488 - The influence of temperature on blood composition of cattle

Bulletin 489 - The influence of environmental temperature 0F to 105F on hair and skin temperatures

Bulletin 497 - Relative efficiency of surface respiratory and non evaporative cooling

Bulletin 515 - Comparative physiological reactions of european and indian cattle to changing temperature

Bulletin 521 - The effect of humidity on milk production and composition

Bulletin 522 - Influence of humidity on heat exchange and body temperature regulation in jersey holstein brahman and brown swiss cattle

Bulletin 531 - The effect of humidity on insensible weight loss total vaporized moisture and surface temperature in cattle

Bulletin 542 - Effects of temperature upon heat exchanges in dairy barns

Bulletin 545 - The effect of wind on milk production feed and water consumption and body weight in dairy cattle

Bulletin 548 - The effect of wind on evaporative cooling and surface temperature in dairy cattle

Bulletin 552 - Influence of wind on heat exchange and body temperature regulation in jersey holstein brown swiss and brahman cattle

Bulletin 556 - The thermal effects of radiation intensity on milk production feed and water consumption

Bulletin 561 - Effect of radiation intensity on hair and skin temperatures and on respiration rates of holstein jersy and brahman cattle

Bulletin 562 - Thermal stress and acid base balance in dairy cattle

Bulletin 574 - Influence of radiation intensity on evaporative cooling heat production and cardiorepiratory activities in cows

Bulletin 576 - The influence of ambient temperature air velocity radiation intensity and starvation on thyroid activity

Bulletin 578 - Milk production feed and water consumption body weight of jersey and holstein cows in relation to several diurnal temperature rhythms

Bulletin 579 - The influence of diurnally variable temperatures on the thyroid activity and iodide metabolism of jersey and holstein cows

Bulletin 593 - Interrelations between temperatures of rumen rectum blood and environmental air and effects of an antipyrectic feed and water consumption

Bulletin 595 - Heat and moisture removed by a dairy stable ventilation systems during diurnal temperature rhythms

Bulletin 600 - Moisture vaporization by jersey and holstein cows during diurnal temperature cycles as measured with hygrometric tent

Bulletin 601 - Influence of diurnal temperature cycles on heat production and cardiorespiratory activities in holstein and jersey cows

Bulletin 608 - Environmental temperature and blood volume

Bulletin 616 - Design and testing of hair measurement beta guage

Bulletin 618 - Influence of humidity and wind on heat loads within dairy barns

Bulletin 639 - A study of B-vitamins and Vitamin C levels in the blood of brahman santa gertrudis and shorthorn heifersbr>

Bulletin 642 - Effects of constant environmental temperatures of 50F and 80F on the growth responses of calves

Bulletin 643 - Energy metabolism and cardiorespiratory activities in shorthorn santa gertrudis and brahman heifers during growth

Bulletin 645 - Stable heat and moisture dissipation with beef calves at temperatures of 50F and 80F

Bulletin 646 - Comparison of the effects of environmental temperatures on rabbits and cattle part 1

Bulletin 648 - Comparison of the effects of environmental temperatures on rabbits and cattle part 2

Bulletin 649 - The influence of constant ambient temperature on the thyroid activity and iodide metabolism

Bulletin 656 - Effects of growth and environmental temperature on surface temperatures of beef calves

Bulletin 683 - Effects of constant environmental temperatures of 50F and 80F on feed and water consumption in calves

Bulletin 704 - Effect of constant environmental temperatures of 50F and 80F on ovarian activity

Bulletin 705 - Effect on constant environmental temperatures of 50F and 80F on the growth responses

Bulletin 709 - Temperature effects on thyroid I release rate of dairy calves

Bulletin 710 - The effect of long exposure of environmental temperatures of 50F and 80F on glutathione

Bulletin 743 - Energy metabolism and related thermoregulatory reactions in brown swiss holstein and jersey calves

Bulletin 759 - Stable heat and moisture dissipation with dairy calves at temperatures of 50F and 80F

Bulletin 768 - Effects of constant environmental temperatures 50F or 80F on feed and water consumption of holstein brown swiss and jersey calves

Bulletin 770 - Surface area determinations of beef and dairy calves during growth at 50F and 80F environmental temperatures

Bulletin 785 - Metabolic reactions during thermal stress in dairy animals acclimated at 50F and 80F

Bulletin 791 - Effect of various temperature-humidity combinations on milk production of holstein cattle

Bulletin 792 - Vaporizations in brown swiss holstein and jersey calves during growth at constant 50F and 80F temperatures

Bulletin 793 - Energy metabolism and related thermoregulatory reactions to thermal stress

Bulletin 794 - Effect of humidity on total room heat and capor dissipation of holstein cows

Bulletin 802 - Physical factors affecting thermal insulation of livestock hair coats

Bulletin 808 - Influence of radiant heat sink on thermally induced stress in dairy cattle

Bulletin 846 - Temperature-humidity effects including influence of acclimation in feed and water consumption

Bulletin 862 - Thermal effects of various temperature-humidity combinations on holstein cattle

Bulletin 865 - Age and temperature effects on TDN water consumption and balance of dairy calves

Bulletin 893 - Acclimation of holstein cattle to 84F temperature

Bulletin 902 - Temperature and controlled feeding effects on lactation and related physiological reactions

Bulletin 913 - Energetic efficiency of lactating dairy cows

Bulletin 916 - Heat and acclimation influences on lactation of holstein cattle

Bulletin 924 - Methods for use and maintenance of rumen cannulas in dairy cattle

Bulletin 975 - Thermal regulations in cattle at 2 to 35F influenced by controlled feeding

Bulletin 1060 - Productive adaptability of holstein cows to environmental heat

Bulletin 1061 - Short-term heat acclimation effects on hormonal profile of lactating cows

The Future

Future research interactions will allow for the determination of:

• relationships between the environment and animal performance

• the effects of environmental toxins and procedures for relief

• critical endpoints for production, reproduction and immune functions affected by environmental stress

• animal or species sensitivity to environmental stressors and development of:

• genetic markers that identify environmental stress in livestock

• strategies for stress relief that contribute to animal health and well-being

• nutritional regimes to produce efficient growth and development in different environment

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BEC Goals

Create:

• Biosensor technology that allow for real-time assessment of health status for domestic animals

• Integrated systems that utilize animals thermal balance, ambient conditions, and predicted weather patterns to operate animal comfort systems

• Animal management and comfort systems that reduce environmental stress to enhance animal health and performance

• Understanding of changes in animal gene expression associated with environmental stress

• Scientists who will develop practical solutions for long-term problems of climate change that are associated with global warming and air quality

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Today's Challenges

Annual impact of environment on health and general well-being of animals in agriculture totals is at least $8 billion.

Summer heat stress reduces milk production rate and reproductive efficiency of dairy cows to produce an annual loss of $5-6 billion.

More than 22 million acres of fescue produced for over 7 million cattle are infected with a fungus. Consumption of infected fescue and exposure to heat stress produces reproductive losses and reduced weight gain that results in a $600 million annual loss to beef cattle producers.

Heat stress depressed profitability of swine production, with reduced feed intake, growth rate, lean tissue accretion, lactation.

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