نتایج جستجو برای: high producing dairy cows
تعداد نتایج: 2209146 فیلتر نتایج به سال:
Efficacy study of GALACTIN VET Bolus (5 boli once daily for 10 days) was conducted in moderate milk producing Holstein and Jersey crossbred cows. Improved milk yield, CLR, Fat % and SNF % supported GALACTIN VET bolus to be safe galactagouge in dairy cows.
This work reviews the current impact and manifestation of ketosis (hyperketonemia) in dairy cattle, emphasizing practical use laboratory methods, field tests, milk data to monitoring this disease. Ketosis is a major issue high-producing cows, easily reaching prevalence 20% during early postpartum when negative energy balance well established. Its economic losses, mainly related decreasing yield...
A survey was conducted to quantify incidence of Beef Quality Assurance (BQA)-related defects in market beef and dairy cows and bulls selling at auction during 2 seasons in 2008. Twenty-three BQA-related traits were evaluated by 9 trained personnel during sales at 10 livestock auction markets in Idaho (n = 5; beef and dairy), California, (n = 4; dairy only), and Utah (n = 1; beef and dairy). Ove...
Uridine 5'-diphospho-glucuronosyltransferase (UGT) liver activity was measured using estradiol-17β as a substrate in dairy cows with follicular cysts. The activity was significantly lower than that in dairy cows with normal estrous cycles (P<0.01). Liver disorders, such as fatty liver and hepatitis, were observed in half cows with follicular cysts, and liver UGT activity was lower than that in ...
Background: Ovarian cysts are among the diseases which cause reproductive failure and economic losses in dairy herds. High yelding dairy cattles are suseptable to reproductive failure caused by ovarian cysts, as a result of their exposure to stressful coditions during lactation. OBJECTIVES: This study aimed to monitor metabolic profile tests in dairy cows with ovarian cysts in comparison with c...
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