Results 11 to 20 of about 194,001 (308)

COMPARATIVE PERFORMANCE OF SAHIWAL COWS AT THE LIVESTOCK EXPERIMENT STATION BAHADURNAGAR, OKARA VS PATADAR’S HERD [PDF]

open access: yesPakistan Veterinary Journal, 2006
The data on 3434 records for lactation milk yield and lactation length and 2314 records for dry period of Sahiwal cows maintained at the Livestock Experiment Station (LES), Bahadurnagar, Okara, Pakistan and its Patadars during 1986-2000 were analyzed by ...
S. U. REHMAN, M. AHMAD AND M. SHAFIQ1
doaj   +2 more sources

Effect of daily diet change from the start of lactation to the peak of lactation diet on ruminal pH with pH courses and changes during the feed day [PDF]

open access: yesJournal of Central European Agriculture, 2016
The aim of the study was to find the effect of daily diet change from the start of lactation diet (SL) to the peak of lactation diet (PL) taking account into the lactation number (2nd lactation – groups S2L, P2L; 3rd lactation – groups S3L, P3L) using ...
Ondrej hanusovsky   +6 more
doaj   +1 more source

Effect of lactation number, year, and season of initiation of lactation on milk yield of cows hormonally induced into lactation and treated with recombinant bovine somatotropin [PDF]

open access: yesJournal of Dairy Science, 2011
Records representing data from 1,500 barren Holstein cows over an 8-yr period from a large commercial dairy farm in northern Mexico were analyzed to determine the effects of lactation number and season and year of initiation of lactation on milk production of cows induced hormonally into lactation and treated with recombinant bovine somatotropin (rbST)
M, Mellado   +6 more
openaire   +2 more sources

Cow metabolic status assessed from fat/protein ratio in milk affected ovarian response and number of transferable embryos after superovulation

open access: yesCzech Journal of Animal Science, 2022
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

Effects of Chickpea in Substitution of Soybean Meal on Milk Production, Blood Profile and Reproductive Response of Primiparous Buffaloes in Early Lactation [PDF]

open access: yes, 2020
This study aimed to evaluate the effects of the use of chickpea meal in substitution of soybean meal on plasma metabolites, reproductive response, milk yield and composition and milk coagulation traits of primiparous buffaloes in early lactation ...
Aiello, Alessandra   +6 more
core   +2 more sources

Effect of lactation number on milk yield in Holstein dairy cows

open access: yesTurkish Journal of Veterinary Research, 2021
Objective: Aim of the present study was to determine the effect of the lactation number on milk production and to detect the most economical lactation period in Holstein dairy cows.Materials and Methods: The animal materials of the study were 392 Holstein dairy cows with a similar dry period and lactation length.
Funda EŞKİ, Serdal KURT
openaire   +4 more sources

Effect of Calving Season, Calving Year and Lactation Number on the Milk Yield Traits in Holstein Cows Raising in Şanlıurfa

open access: yesTurkish Journal of Agriculture: Food Science and Technology, 2020
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

Genetic Relationship of Body Energy and Blood Metabolites with Reproduction in Holstein Cows [PDF]

open access: yes, 2008
Body condition score (BCS), energy content (EC), cumulative effective energy balance (CEEB), and blood serum concentrations of glucose, beta-hydroxybutyrate (BHBA), and nonesterified fatty acids ( NEFA) were measured throughout first lactation in 497 ...
A. Tsiaras   +40 more
core   +1 more source

Milk composition of Holstein cows: a retrospective study

open access: yesCiência Rural, 2018
: Worldwide, milk analysis is an satisfactory measurement of milk quality on dairy farms. Milk composition is the base for payment systems, so knowledge of its characteristics at different periods is essential for modern dairy producer.
Carlos Bondan   +5 more
doaj   +1 more source

Risk factors relating to helminth infections in cows during the peripartum Fatores de risco relacionados à infecção por helmintos em vacas durante o periparto

open access: yesRevista Brasileira de Parasitologia Veterinária, 2012
The aim of this study was to investigate whether season, lactation number, breed standard and milk production were risk factors relating to occurrences of gastrointestinal nematodes in dairy cows during the peripartum period.
Jenevaldo Barbosa da Silva   +3 more
doaj   +1 more source

Home - About - Disclaimer - Privacy