The aim of this paper is to review the effects of the quality of nutrients in the ration on the
reproductive function of dairy cows. Protein supplementation is one of the most important …

The aim of this paper is to review the effects of the quality of nutrients in the ration on the
reproductive function of dairy cows. Protein supplementation is one of the most important …

The aim of this review was to present the relationships between feeding system and the
reproductive performance of high yielding dairy cows. The consequences and costs of poor …

At the beginning of the 1980s, a series of very profound changes were initiated in the milk
cow nutrition approaches, as a consequence of the highest levels of production per cow that …

Dairy cow fertility has declined in recent decades, coincidental with large increases in milk
production. The problem is often considered being nutritional and can be corrected through …

The key to the intensive course of metabolic processes in the body of ruminants, and
therefore to their high productivity, is the balance of rations according to the optimal level of …

Reproductive efficiency is the main factor to be considered in increasing the productive and
economic efficiency of beef and dairy herds. Prolonged post-partum periods limit the …

Improvement of the genetic value of cows, enabling increasingly high milk yield, requires
increasingly modern feeding. Therefore, in addition to high-quality bulky feed and …

3Department of Grassland Management, Institute of Plant Production, University of
Agriculture in Krakow, Al. Mickiewicza 21, 31-120 Kraków, Poland♦ Corresponding author …

Nutrition affects the quality of milk and even the quantity. Nutrition is the single factor having
the greatest influence on milk production performance of dairy animals. Milk composition is a …