A total of 65 multiparous cows that calved during the hot season (n = 21), temperate season (n = 23) or cold season (n = 21) were used to investigate the relationships between heat stress, seasonal changes, metabolic traits, body condition score (BCS), resumption of ovulation and occurrence of subclinical endometritis (SE). Cows were monitored for the first 7 weeks of lactation by ultrasonograp...

Cool-season (northern) and warm-season (southern) grasses are grown in Arkansas. Cool-season grasses grow best in the spring and fall and less actively in the summer. They stay reasonably green in the winter. Tall fescue (Festuca arundi­ nacea) is the most commonly grown cool-season grass in Arkansas. Warmseason grasses are slow to green up in the spring, grow best in the summer and go dormant ...

Differences in nutrient content between different grass hay varieties are much smaller than differences between legumes and grasses (Table 1). Cool-season grasses (grown in temperate climates) include timothy, orchardgrass, fescue and annual ryegrass. Warm-season grasses (adapted to tropical and subtropical regions, like Florida) include Coastal bermudagrass, Tifton-85 bermudagrass, and bahiagr...

background:accident is the secondary cause of mortality in iran, background of its occurrence and mortality are not wholly understood. the aim of this paper is to explain seasonal occurrence and mortality pattern of traffic accidents in isfahan population, iranmethods: this study is a cross-sectional analytic study. we extracted data on traffic accidents for isfahan province from the ministry o...

background: vitamin a which is found in different tissuesand organs plays a particular role in detecting clinical signs invarious deficiency conditions. however, sometimes the marginaldeficiency is present in a way that clinical signs are not visible butperformance defects, such as infertility is seen. objectives: inthis study, the normal baseline levels of vitamin aand β-carotene inclinically ...

drought is a normal, recurring feature of climate phenomena; it may occur virtually in all climatic regions. the effects of drought accumulate slowly and its impacts are spread over a larger geographical area than other natural hazards. drought is a natural hazard originating from a deficiency of precipitation that result in a water shortage for some activities or some groups and is often assoc...

high ambient temperature is the major constraint on buffalo productivity. the aim of this study was to evaluate the reproductive performance and thyroid gland function in winter and summer seasons in khuzestan buffalo bulls. six male indigenous buffaloes of khuzestan with nearly the same age (2-3 years old) and weight were used. semen and blood samples through jugular vein were collected, every...

• Flower formation in grapevines follows 3 steps: 1) formation of uncommitted primordia, also called anlagen, within the latent buds; 2) differentiation of uncommitted primordia into inflorescence primordia; and 3) differentiation of inflorescence primordia into individual flowers . Steps 1 and 2 happen during the previous season, whereas Step 3 does not happen until budbreak of the current sea...