Summer mastitis
All Creatures Great and SmallSummer mastitis is a serious udder infection whose poor prognosis makes it a test of both veterinary judgment and a farmer’s capacity to nurse an animal through prolonged illness. In Terry Watson’s case, the cow had a high fever and a hot, swollen quarter producing foul-smelling fluid rather than milk. Treatment could be attempted, but recovery was uncertain, and the prospect of losing the quarter threatened a significant part of the value of Watson’s smallholding livestock.
Definition and Seasonal Pattern
The condition is described as particularly common later in the summer. When Watson called in mid-July, James Herriot considered the timing early: in the later summer months, the practice saw hundreds of cases. Farmers commonly called it August Bag, a name that placed the disease within the seasonal rhythm of rural work rather than in formal veterinary terminology.
The illness was considered unpleasant and close to incurable. Its consequences could be severe even when the cow survived: an affected animal usually lost one quarter of the udder, and sometimes died. A quarter is a milk-producing section of the udder, so its loss meant more than a visible injury. It reduced the cow’s productive capacity and, as Herriot explains to Watson, her market value.
Signs and Clinical Assessment
Watson’s cow had limped in from the field at milking time, swinging her right hind leg outward to avoid the painful udder. In the stall she trembled and stared anxiously ahead. When Herriot drew at the affected teat, dark, foul-smelling serum spurted into the tin can he was holding instead of milk. The quarter was hot and swollen, and the cow quickly lifted her leg when he touched the tender tissue. Her temperature was 106 degrees.
The findings made the diagnosis clear, but they could not make the outcome clear. Watson had expected the disease chiefly in dry cows and thought tar might have helped if his cow had been dry. Farmers applied Stockholm tar to the teats of dry cows to deter flies, which they blamed for carrying the infection. Herriot corrected the assumption that a cow still giving milk was protected: cows in general could contract summer mastitis, especially those beginning to dry off. The case therefore illustrates the gap between familiar farm practices and the limits of what those practices could prevent.
Treatment and Prognosis
Herriot injected Coryne pyogenes toxoid into the cow’s neck and told Watson to strip the affected teat as often as possible. The aim was to draw out the abnormal material as it formed; he also recommended bathing the udder in warm water and massaging it. He advised Watson to repeat the stripping every half-hour that evening if he could manage it. This was an intensive regimen of practical care, not a promise of cure.
The treatment reflected the narrow options available. Herriot described the outlook as poor and could not guarantee that the cow would recover. The account notes that toxoid was still being used for summer mastitis and that even modern antibiotics had little effect on it. The veterinarian could intervene and direct care, but could not remove the uncertainty that defined the case. Frequent attention to the udder was presented as the best chance available, not as assurance that the infection would resolve.
Terry Watson’s Case and the Cost of Illness
Watson was a young farm worker in his early twenties with a wife, a small baby, and two cows of his own. After working for someone else all day, he also tended his own few animals, which included pigs and hens. His household lived on thirty shillings a week, making the small stock an important part of its means. The sick cow was still giving two gallons of milk a day, so the illness threatened an animal that remained productive as well as the prospect of future income.
Watson asked what would happen and whether anything could be done. Herriot tried to reassure him that he did not think the cow would die, and that if she lost the quarter the other three might compensate. Yet he recognized that a cow with only three working quarters had lost much of her market value, and that death remained possible. Watson’s thin, pale appearance and anxious questions register the pressure of caring for an animal whose uncertain recovery mattered directly to his family’s livelihood.
Significance in Rural Practice
The case sets clinical uncertainty against the precision of hands-on care. The foul discharge, pain, swelling, and fever gave Herriot grounds to identify the disease; they offered no reliable way to guarantee its course. His advice consequently turned toward repeated, demanding nursing by the owner, while the likely loss of a quarter made even survival economically costly.
Summer mastitis thus appears not as a single symptom or a readily solved infection, but as a recurring seasonal problem in which veterinary intervention meets biological limits and household dependence on livestock. Watson’s cow was still producing milk when the illness struck, yet that productivity did not spare her. The account ends with a care plan and an unresolved prognosis: Herriot can tell Watson what to do, but cannot promise what those efforts will save.