Effect of nutrition on reproductive efficiency of dairy animals

Abstract

SummaryNutrition plays a key role in the maintenance of animal reproductive performance. Reduced reproductive efficiency can decrease the profitability of dairy production by increasing days open, calving interval, the number of services per conception, culling rate, and veterinary services. Nutritional requirements increase rapidly with milk production after calving, but an improper diet plan could result in a negative energy balance (NEB). NEB delays the time of first ovulation through uncoupled hormones production. A diet high in fat could prevent the NEB state by increasing the energy status of animals. Protein supplementation supports high production but can also have severe effects on the reproductive performance of the animal. Deficiency of minerals can also alter the reproductive performance of the animal. This article has generally focused on the effects of various nutrients on reproductive efficiency of dairy cattle.

Diet enrichment and the reproductive season of captive Sunda Porcupine (Hystrix javanica F. Cuvier 1823)

“…Protein requirement for animals is 10-15% of total feed [23]. Protein supplementation support high production [24]. Regulation of maternal dietary protein intake during gestation is essential for proper embryonic survival, growth, and development [25].…”

Association between milk urea nitrogen and first service conception in smallholder dairy farms under heat and humidity stress

“…Since our mean of PE ratio was quite low, it is not surprising that the conception at first service was higher with a higher PE ratio. We deduce that there was low protein intake in some farms from our low mean PE ratio and that protein deficiency, especially in early lactation, had an impact on the reproductive efficiency [16,17]. Prolonged days open, increased number of services per conception, and decreased pregnancy rate have been reported problems associated with inadequate protein intake elsewhere [16,18].…”

Pemberian silase, complete feed, dan growth promoter pada sapi perah kawin berulang terhadap Services per Conception dan produksi susu

“…(Ramandani dan Nururrozi, 2015). Kekurangan sumber energi dan kekurangan mineral dapat mengganggu keseimbangan hormonal yang menghambat ovulasi (Ibtisham et al, 2018). Kualitas oosit merupakan penyebab utama ketidaksuburan pada SKB (Boland et al, 2001).…”