A 36 year old pregnant woman was admitted to hospital complaining of an enlarging mass in her left breast. Histopathological examination of the mastectomy specimen revealed a high grade infiltrating ductal adenocarcinoma intermixed with a lactating adenoma. Lactating adenomas are rare entities but are the most common masses that occur during pregnancy. Although they are not thought to carry an ...

Sniffing is one-way animals collect chemical signals, and many males self-groom when they encounter the odor of opposite-sex conspecifics. We tested the hypothesis that sexual chemical signals from females can induce self-grooming behavior in male root voles (Microtus oeconomus Pallas). Specifically, we investigated the sniffing pattern of male root voles in response to odors from the head, tru...

Oxygen consumption and ouabain-sensitive respiration was measured for liver biopsies from lactating and non-lactating ewes and for hepatocytes isolated from mature, dry ewes. O2 consumption, ouabain-sensitive respiration and 86Rb+ uptake were also measured for hepatocytes isolated from lambs, fed adult sheep and adult sheep starved for 5 d. Ouabain-sensitive respiration in the liver of ewes at ...

Leptin administration has been shown to prevent the disruptive effects of acute food deprivation on reproductive function in cycling females and lactating females. We examined the ability of intracerebroventricular leptin administration to ameliorate the effects of food restriction for the first 2 wk postpartum on length of lactational infertility. Leptin administration did not reduce the effec...

BACKGROUND Crocus sativus, known as saffron crocus, is best known for the spice saffron. Saffron use spans more than 3500 years, however, its toxicity on neonates during lactation has not yet evaluated. OBJECTIVES This study was aimed to examine the acute toxicity of saffron on adult mice and its nephrotoxicity and hepatotoxicity on neonates of lactating mothers that used saffron during lacta...

The mechanism by which lactating rats increase fluid consumption to meet the demands of milk production is unknown. Because ANG II is the most potent dipsogenic stimulus known, this study examined whether angiotensinergic signaling plays a role in enhanced drinking in lactating rats. ANG II administered intracerebroventricularly caused a significantly greater dipsogenic response in lactating ra...

Sixty-four Thoroughbred and Anglo-Arab mares aged 6-12 years were used, of which 40 were non-lactating and 24 lactating. Foals from these 24 mares were weaned at the age of 6 months. Non-lactating and lactating mares were divided into 4 dietary groups each. The total daily protein intake and the protein quality (essential amino-acid content) differed in the 4 groups of non-lactating and 4 group...

Introduction In order to achieve high reproductive efficiency and high milk production, herds must properly manage the entire non‐lactating period and early lactation. We refer to this time period as The Vital 90TM Days and it begins approximately 60 days before calving and continues through the first 30 days of lactation. During this time, dairy cows are exposed to a series of biological and p...

BACKGROUND Heat stress adversely affects the physiological and metabolic status, and the productive performance of buffalo. METHODS The present study was conducted to explicate the effect of misting and wallowing cooling strategies during heat stress in lactating Murrah buffalo. The study was conducted for three months (May-July) of which first two months were hot dry and last month was hot h...

The liver arginase in the rat decreases following adrenalectomy (Fraenkel-Conrat, Simpson & Evans, 1943; Folley & Greenbaum, 1946; Kochakian & Vail, 1947), and in lactating rats the mammarygland arginase behaves similarly (Folley & Greenbaum, 1946). It is possible that the decline in lactation causedby adrenalectomy (see, e.g., Cowie& Folley, 1947 a) is connected with the decrease in mammary-gl...