Genetic polymorphisms within exon 3 of heat shock protein 90AA1 gene and its association with heat tolerance traits in Sahiwal cows [PDF]
Aim: The present study was undertaken to identify novel single nucleotide polymorphism (SNP) in Exon 3 of HSP90AA1 gene and to analyze their association with respiration rate (RR) and rectal temperature (RT) in Sahiwal cows.
Rakesh Kumar+4 more
doaj +1 more source
Estimating test-day milk yields by modeling proportional daily yields: Going beyond linearity
: In the United States, lactation milk yields are not measured directly but are calculated from the test-day milk yields. Still, test-day milk yields are estimated from partial yields obtained from single milkings.
Xiao-Lin Wu+8 more
doaj +1 more source
Expression of heat-shock protein 72 mRNA in relation to heart rate variability of Sahiwal and Karan-Fries in different temperature-humidity indices [PDF]
Aim: To investigate the effect of temperature-humidity index (THI) on the expression pattern of heat-shock protein 72 (HSP72) mRNA of Sahiwal and Karan-Fries (KF) cattle in different THIs.
Prava Mayengbam+2 more
doaj +1 more source
Twelve healthy lactating Murrah buffaloes of similar parity (3rd) between 90 and 120 days of lactation, selected from the herd of National Dairy Research Institute (Karnal, India) and maintained at managemental practices as followed at the Institute they
Joydip Mukherjee+3 more
doaj +1 more source
Polyunsaturated Fatty Acids in Male Ruminant Reproduction — A Review [PDF]
Fatty acids such as n-3 and n-6 polyunsaturated fatty acids (PUFA) are critical nutrients, used to improve male reproductive performance through modification of fatty acid profile and maintenance of sperm membrane integrity, especially under cold shock ...
Len Van Tran+3 more
doaj +1 more source
Gait assessment in dairy cattle
Lameness is one of the most important dairy cow welfare issues and has inspired a growing body of literature on gait assessment. Validation studies have shown that several methods of gait assessment are able to successfully distinguish cows with and without painful pathologies.
F.C. Flower, Daniel M. Weary
openaire +4 more sources
Elements of IPM for Dairy Cattle in New York State [PDF]
NYS IPM Type: Livestock IPM ElementsThis is a checklist of items to help you develop or analyze whether you use IPM for flies in your dairy operation. If the IPM practice listed below is used across the farm then check it off and give yourself the all ...
Waldron, Keith, Wise, Ken
core
Optimizing age of bull at first use in relation to fertility of Murrah breeding bulls [PDF]
Aim: The aim of the present investigation was to optimize the age at first use (AAFU) of semen of Murrah breeding bulls, which will help in early selection of bulls under progeny testing program for improving the reproductive performance in the herd ...
M. A. Mir+6 more
doaj +1 more source
Genetic and environmental causes of variation in gestation length of Jersey crossbred cattle [PDF]
Aim: The objective of this study was to investigate the effect of genetic and non-genetic factors and estimate the genetic parameter for gestation length (GL) of Jersey crossbred cattle.
Anshuman Kumar+3 more
doaj +1 more source
A comparative study on the blood and milk cell counts of healthy, subclinical and clinical mastitis Karan Fries cows [PDF]
Aim: The present study was aimed to study the use of cell counts as an early indicator of mammary health. Materials and Methods: Milk and blood cell counts were estimated from 8 healthy, 8 subclinical (SCM), and 8 clinically mastitis (CM) groups of ...
Mohanned Alhussien+5 more
doaj +1 more source