Qualitative indicators of milk of Simmental and Holstein cows in different seasons of lactation [PDF]
Background and Aim: Milk producers need to ensure that their cows are producing high-quality, nutritional milk, which is influenced by the breed, age, nutrition, and health status of lactating animals. The aim of this study was to determine the effect of
Aigerim Zhanuzakovna Khastayeva +5 more
doaj +1 more source
Evaluation of changes in behavior, heart rate and rectal body temperature in calves during two hours after birth [PDF]
The present experiment focuses on the evaluation of the behavior of Holstein calves in the first two hours after birth. The research took place at the Slovak University of Agriculture Farm in Oponice. The calf sample consisted of 11 individuals.
Terézia Hegerová +3 more
doaj +1 more source
Interacting-Holstein and extended-Holstein bipolarons [PDF]
7 pages, 7 figures, accepted for publication in Phys.
Chakraborty, M, Tezuka, M, Min, BI
openaire +3 more sources
This work aimed to evaluate the quantity and the quality of flushed embryos based on the metabolic status of dairy cows, lactation number, and size of the ovaries.
Luděk Stádník +5 more
doaj +1 more source
The aim of the present study is to investigate the impact of some environmental factors on the descriptive values of milk yield characteristics in Holstein cows.
Durhasan Mundan +4 more
doaj +1 more source
Blood and milk beta-hydroxybutyric acid concentrations in diff erent dairy cattle breeds and association of subclinical ketosis with postpartum health disorders, culling rate, body condition score, parity and milk production in holstein [PDF]
Th e aim of the study was to analyse beta-hydroxybutyric acid concentration in the blood (BBAC) and milk (MBAC) at postpartum week 2 (PPW2) and week 4 (PPW4) in Holstein (n=216, 8 farms), Montbeliard (n=23), Simmental (n=38) and Holstein/Montbeliard ...
Kemal AKSOY +3 more
doaj +1 more source
Survival, lifetime production, and profitability of Normande × Holstein, Montbéliarde × Holstein, and Scandinavian Red × Holstein crossbreds versus pure Holsteins [PDF]
Pure Holstein (HO) cows (n=416) were compared with Normande (NO) × HO (n=251), Montbéliarde (MO) × HO (n=503), and Scandinavian Red (SR) × HO (n=321) crossbred cows for survival, lifetime production, and profitability in 6 commercial herds in California. The SR crossbred cows were sired by both Swedish Red and Norwegian Red bulls. Cows calved from June
B J, Heins, L B, Hansen, A, De Vries
openaire +2 more sources
Background: Somatic cell score is an important parameter to predict milk quality and health of cows. However, in countries like Brazil, this trait is still not selected on a large scale, and no genetic parameters are reported in the literature. Objective:
Gabrieli S. Romano +4 more
doaj +1 more source
Determination of Melatonin Differences between Day and Night Milk in Dairy Cattle
The aim of this study was to determine the difference between melatonin hormone in night milk and melatonin concentration in day milk of Holstein cows.
Özcan Şahin +4 more
doaj +1 more source
Prospects of modernization of cattle breeding processes [PDF]
The development of livestock in industrialized nations has shown that when breeding activity is well-organized, it is feasible to enhance breeds and quickly boost output.
Dosmukhamedova Mukhayo +1 more
doaj +1 more source

