[HTML][HTML] Invited review: Physiological and behavioral effects of heat stress in dairy cows
CA Becker, RJ Collier, AE Stone - Journal of dairy science, 2020 - Elsevier
Animal welfare can be negatively affected when dairy cattle experience heat stress.
Managing heat stress has become more of a challenge than ever before, due to the …
Managing heat stress has become more of a challenge than ever before, due to the …
The impact of heat load on cattle
Simple Summary It is well known that the thermal environment has an integral role in
maintaining the health and productivity of cattle. Although cold stress has been identified to …
maintaining the health and productivity of cattle. Although cold stress has been identified to …
Metabolic and hormonal acclimation to heat stress in domesticated ruminants
Environmentally induced periods of heat stress decrease productivity with devastating
economic consequences to global animal agriculture. Heat stress can be defined as a …
economic consequences to global animal agriculture. Heat stress can be defined as a …
Heat stress in lactating dairy cows: a review
CT Kadzere, MR Murphy, N Silanikove… - Livestock production …, 2002 - Elsevier
Our objective was to provide a review of factors influencing heat stress in lactating dairy
cows and how it affects milk production. In warmer parts of the world, during summer months …
cows and how it affects milk production. In warmer parts of the world, during summer months …
[HTML][HTML] Comparison of the effects of heat stress on milk and component yields and somatic cell score in Holstein and Jersey cows
The objectives of this retrospective study were to (1) investigate the effects of heat stress
(HS) climatic conditions and breed on milk and component yield for Holstein and Jersey …
(HS) climatic conditions and breed on milk and component yield for Holstein and Jersey …
Effects of environmental temperature and humidity on milk composition, microbial load, and somatic cells in milk of Holstein dairy cows in the northeast regions of Iran
Simple Summary Livestock performance is influenced by different elements due to the
complex interactions between the individual animals and environmental conditions such as …
complex interactions between the individual animals and environmental conditions such as …
Relationships between milk protein polymorphisms and major milk constituents in Holstein-Friesian cows
KF Ng-Kwai-Hang, JF Hayes, JE Moxley… - Journal of dairy …, 1986 - Elsevier
Abstract Milk samples from 1,908 Holstein Friesian cows were phenotyped for genetic
variants of α s1-casein, β-casein, κ-casein, and β-lactoglobulin. The relationships between …
variants of α s1-casein, β-casein, κ-casein, and β-lactoglobulin. The relationships between …
Genetic parameters for yield and reproductive traits of Holstein and Jersey cattle in Florida
MS Campos, CJ Wilcox, CM Becerril, A Diz - Journal of Dairy Science, 1994 - Elsevier
Records of yield and reproduction from 4293 Holstein and 2143 Jersey first lactation cows
from eight Holstein and six Jersey herds were utilized to evaluate genetic parameters for …
from eight Holstein and six Jersey herds were utilized to evaluate genetic parameters for …
Genetic parameters for yield traits of Holsteins, including lactose and somatic cell score
RD Welper, AE Freeman - Journal of Dairy Science, 1992 - Elsevier
First lactation milk, fat, protein, and lactose yields and percentage yields were analyzed
using a multiple-trait sire model including herd-year-season, sire group, and age of cow as …
using a multiple-trait sire model including herd-year-season, sire group, and age of cow as …
Effects of relative humidity, maximum and minimum temperature, pregnancy, and stage of lactation on milk composition and yield
LA Rodriquez, G Mekonnen, CJ Wilcox, FG Martin… - Journal of Dairy …, 1985 - Elsevier
Composite monthly single-day milk samples from the Florida Agricultural Experiment Station
dairy herd 1959 to 1974 were analyzed for composition. Data were 22, 972 observations on …
dairy herd 1959 to 1974 were analyzed for composition. Data were 22, 972 observations on …